yamaha dsp a970

8/13/2019 Yamaha Dsp a970

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DSP-A970DSP-A970

CONTENTS

SAFETY INSTRUCTIONS ............................. Inside Front CoverSETUP & ADJUSTMENT .......................................................... 31-1.GETTING STARTED ........................................................... 31-2.SETUP ................................................................................ 101-3.CONTROLS & ADJUSTMENTS ....................................... 181-4.ADJUSTMENT ................................................................... 22GENERAL OPERATION ......................................................... 272-1.PLAYING A SOURCE ........................................................ 272-2.RECORDING A SOURCE TO AUDIO/VIDEO TAPE

(OR DUBBING FROM A TAPE TO ANOTHER) ............... 28

2-3.DIGITAL SOUND FIELD PROGRAMS ............................. 302-4.SELECTING SOUND FIELD PROGRAMS ...................... 302-5.MUTING THE EFFECT SOUND ....................................... 312-6.SUPERIMPOSED VIDEO PROGRAM/PARAMETER

DISPLAY ............................................................................312-7.DESCRIPTIONS OF THE SOUND FIELD PROGRAMS .... 322-8.REMOTE CONTROL LEARNING FUNCTION .............. 37CREATING YOUR OWN SOUND FIELDS ............................ 393-1.SELECTING AND EDITING PROGRAM PARAMETERS.... 393-2.DESCRIPTIONS OF THE DIGITAL SOUND FIELD

PARAMETERS .................................................................... 41

TROUBLESHOOTING ............................................................. 44SPECIFICATIONS ................................................................... 45

DIGITAL SOUND FIELD

PROCESSING AMPLIFIER

OPERATION MANUAL


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1 Read Instructions All the safetyand operating instructions should be readbefore the unit is operated.

2 Retain Instructions The safety andoperating instructions should be retainedfor future reference.

3 Heed Warnings All warnings on theunit and in the operating instructionsshould be adhered to.

4 Follow Instructions All operatingand other instructions should be followed.

5 Water and Moisture The unitshould not be used near water for

example, near a bathtub, washbowl,kitchen sink, laundry tub, in a wetbasement, or near a swimming pool, etc.

6 Carts and Stands The unit shouldbe used only with a cart or stand that isrecommended by the manufacturer.

6A A unit and cart combination shouldbe moved with care. Quickstops, excessive force, anduneven surfaces maycause the unit and cartcombination to overturn.

7 Wall or Ceiling Mounting The unitshould be mounted to a wall or ceilingonly as recommended by themanufacturer.

8 Ventilation The unit should besituated so that its location or positiondoes not interfere with its properventilation. For example, the unit shouldnot be situated on a bed, sofa, rug, or

similar surface, that may block theventilation openings; or placed in a built-in installation, such as a bookcase orcabinet that may impede the flow of airthrough the ventilation openings.

9 Heat The unit should be situatedaway from heat sources such asradiators, stoves, or other appliances thatproduce heat.

10 Power Sources The unit should beconnected to a power supply only of the

type described in the operatinginstructions or as marked on the unit.

11 Power-Cord Protection Power-supply cords should be routed so thatthey are not likely to be walked on orpinched by items placed upon or againstthem, paying particular attention to cordsat plugs, convenience receptacles, andthe point where they exit from the unit.

12 Cleaning The unit should becleaned only as recommended by the

manufacturer.

13 Nonuse Periods The power cord ofthe unit should be unplugged from theoutlet when left unused for a long periodof time.

14 Object and Liquid Entry Careshould be taken so that objects do not fallinto and liquids are not spilled into theinside of the unit.

15 Damage Requiring Service Theunit should be serviced by qualifiedservice personnel when:A. The power-supply cord or the plughas been damaged;orB. Objects have fallen, or liquid hasbeen spilled into the unit;orC. The unit has been exposed to rain;orD. The unit does not appear to operatenormally or exhibits a marked change in

performance;orE. The unit has been dropped, or thecabinet damaged.

16 Servicing The user should notattempt to service the unit beyond thosemeans described in the operatinginstructions. All other servicing should bereferred to qualified service personnel.

17 Power Lines An outdoor antennashould be located away from power lines.

18 Grounding or Polarization Precautions should be taken so that thegrounding or polarization is not defeated.

SAFETY INSTRUCTIONS

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER (OR BACK), NO USER-SERVICEABLE

PARTS INSIDE, REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowheadsymbol, within an equilateral triangle,is intended to alert you to thepresence of uninsulated dangerousvoltage within the productsenclosure that may be of sufficientmagnitude to constitute a risk of

electric shock to persons.

The exclamation point within anequilateral triangle is intended to alertyou to the presence of importantoperating and maintenance(servicing) instructions in theliterature accompanying theappliance.

Explanation of Graphical Symbols

CAUTION

IMPORTANT!Please record the serial number of thisunit in the space below.

Model:Serial No.:

The serial number is located on the rearof the unit.Retain this Owners Manual in a safeplace for future reference.

WARNINGTO REDUCE THE RISK OF FIRE ORELECTRIC SHOCK, DO NOT EXPOSETHIS UNIT TO RAIN OR MOISTURE.

PRECAUTIONS & SAFETY INSTRUCTIONS


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1 To ensure the finest performance,please read this manual carefully. Keep it ina safe place for future reference.

2 Install your unit in a cool, dry, clean

place away from windows, heat sources,and too much vibration, dust, moisture orcold. Avoid sources of hum (transformers,motors). To prevent fire or electrical shock,do not expose to rain and water.

3 Do not operate the unit upside-down. Itmay overheat, possibly causing damage.

4 Never open the cabinet. If a foreignobject drops into the set, contact yourdealer.

5 Do not use force on switches, knobs or

cords. When moving the set, first turn theunit off. Then gently disconnect the powerplug and the cords connecting to otherequipment. Never pull the cord itself.

6 Do not attempt to clean the unit withchemical solvents; this might damage thefinish. Use a clean, dry cloth.

7 Always set the volume control to while lowering the tonearm to play a record;turn the volume up with the stylus in thegroove.

8 Be sure to read the Troubleshootingsection on common operating errors beforeconcluding that your unit is faulty.

9 Do not connect audio equipment to theAC outlets on the rear panel if thatequipment requires more power than theoutlets are rated to provide.

We Want You ListeningFor A LifetimeYAMAHA and the Electronic IndustriesAssociations Consumer Electronics

Group want you to get the most out ofyour equipment by playing it at a safelevel. One that lets the sound comethrough loud and clear without annoyingblaring or distortion and, mostimportantly, without affecting yoursensitive hearing. Since hearing damagefrom loud sounds is often undetectableuntil it is too late, YAMAHA and theElectronic IndustriesAssociations ConsumerElectronics Grouprecommend you to avoidprolonged exposure from

excessive volume levels.

PRECAUTIONS

FCC INFORMATION

1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this

manual, meets FCC requirements. Modifications not expressly approved byYamaha may void your authority, granted by the FCC, to use the product.

2. IMPORTANT : When connecting this product to accessories and/or anotherproduct use only high quality shielded cables. Cable/s supplied with this productMUST be used. Follow all installation instructions. Failure to follow instructionscould void your FCC authorization to use this product in the USA.

3. NOTE : This product has been tested and found to comply with the requirementslisted in FCC Regulations, Part 15 for Class B digital devices. Compliance withthese requirements provides a reasonable level of assurance that your use ofthis product in a residential environment will not result in harmful interferencewith other electronic devices.This equipment generates/uses radio frequencies and, if not installed and used

according to the instructions found in the users manual, may cause interferenceharmful to the operation of other electronic devices.Compliance with FCC regulations does not guarantee that interference will notoccur in all installations. If this product is found to be the source of interference,which can be determined by turning the unit OFF and ON, please try toeliminate the problem by using one of the following measures:

Relocate either this product or the device that is being affected by theinterference.

Utilize power outlets that are on different branch (circuit breaker or fuse) circuitsor install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the antenna. If the

antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial typecable.

If these corrective measures do not produce satisfactory results, please contactthe local retailer authorized to distribute this type of product. If you can notlocate the appropriate retailer, please contact Yamaha Electronics Corp., U.S.A.6660 Orangethorpe Ave, Buena Park, CA 90620.

The above statements apply ONLY to those products distributed by YamahaCorporation of America or its subsidiaries.

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Congratulations!You are the proud owner of a Yamaha Digital Sound Field Processing (DSP) Systeman

extremely sophisticated audio component. The DSP system takes full advantage of Yamahas

undisputed leadership in the field of digital audio processing to bring you a whole new world

of listening experiences. Follow the instructions in this manual carefully when setting up your

system, and the DSP system will sonically transform your room into a wide range of listening

environmentsanything from a famous concert hall to a cozy jazz club. In addition, you get

incredible realism from Dolby-Surround encoded video sources using the built-in Dolby Pro

Logic Surround Decoder.

Seven built-in channels of amplification on the DSP-A970 mean that no additional

amplifiers are required to enjoy advanced digital sound field processing.

Rather than tell you about the wonders of digital sound field processing, however, lets get

right down to the business of setting up the system and trying out its many capabilities.

Please read this operation manual carefully and store it in a safe place for later reference.


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1-1. GETTING STARTED

Unpacking

If you havent already done so, carefully remove this unit and itsaccessories from the box and wrapping material.You should find theunit itself and the following accessories.

Installing the Remote Control Unit Batteries

Since the remote control unit will be used for many of this unitscontrol operations, you should begin by installing the suppliedbatteries.

1. Turn the remote control unit over and slide the batterycompartment cover downward in the direction of the arrow.

2. Insert the batteries (R6, AA, UM-3 type), being careful to align

them with the polarity markings on the inside of the batterycompartment.

3. Close the battery compartment cover.

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SETUP & ADJUSTMENT

Remote control

Batteries User program sheets


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When you notice that remote control operation has becomeerratic, or the distance from which the remote control will functionhas decreased, its time to replace the batteries.Always replace allbatteries at the same time.

Make sure that the YPC/USER/LEARN switch on the remote

control unit is set to the YPC or USER position for normaloperation.

This remote control uses an advanced, highly directional infraredbeam.Be sure to aim the remote control directly at the remotecontrol sensor on the main unit when operating.

Remote control transmitter operation range

Notes There should be no large obstacles between the remote

control transmitter and the main unit. If the remote control sensor is directly illuminated by strong

lighting (especially an inverter type of fluorescent lamp etc.),it might cause the remote control transmitter to workincorrectly. In this case, reposition the main unit to avoiddirect lighting.

Digital Sound Field Processing

What is it that makes live music so good? Todays advancedsound reproduction technology lets you get extremely close to thesound of a live performance, but chances are youll still notice

something missing, the acoustic environment of the live concert hall.Extensive research into the exact nature of the sonic reflections thatcreate the ambience of a large hall has made it possible for Yamahaengineers to bring you this same sound in your own listening room,so youll feel all the sound of a live concert. Whats more, ourtechnicians, armed with sophisticated measuring equipment, haveeven made it possible to capture the acoustics of a variety of actualconcert halls, jazz clubs, theaters, etc. from around the world, toallow you to accurately recreate any one of these live performanceenvironments, all in your own home.

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Remote controlsensor

Within approximately7 m (23 feet)


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Dolby Pro Logic Surround

The Dolby Pro Logic Surround Decoder program lets youexperience the dramatic realism and impact of Dolby Surround movietheater sound in your own home.Dolby Pro Logic gets its name from

its professional-grade steering logic circuitry, which provides greatereffective channel separation for a much higher degree of realism thanthe passive Dolby Surround circuits found in todays typical homeaudio/video equipment.Dolby Pro Logic Surround provides a truecenter channel, so that there are four independent channels, unlikepassive Dolby Surround, which has in effect only three channels: left,right, and rear.This center channel allows listeners seated in evenless-than-ideal positions to hear the dialog originating from the actionon the screen while experiencing good stereo imaging.

This Dolby Pro Logic Surround Decoder employs a digital signalprocessing system.This system improves the stability of sound ateach channel and crosstalk between channels, so that positioning ofsounds around the room is more accurate compared withconventional analog signal processing systems.

In addition, this unit features a built-in automatic input balancecontrol.This always assures you the best performance withoutmanual adjustment.

Manufactured under license from Dolby Laboratories LicensingCorporation. Additionally licensed under one or more of the followingpatents:U.S.number 3,950,590;Canadian numbers 1,004,603 and1,037,877.Dolby, Pro Logic, and the double-D symbol aretrademarks of Dolby Laboratories Licensing Corporation.

Dolby Pro Logic Surround + DSP

You can also enjoy Dolby Pro Logic with two modes of DigitalSound Field Processing.These combinations expand the surroundeffect of Dolby Pro Logic. One is the sound field program Enhanced

DOLBY PRO LOGIC SURROUND, which recreates the surroundeffect of the 35 mm film movie theater.The other is the combinationof Dolby Pro Logic and the sound field program MOVIE THEATER,which recreates the listening experience of a 70 mm film theater.

The YAMAHA CINEMA DSP logo indicates these programscreated by the combination of Dolby Pro Logic and YAMAHA DSPtechnology.

Directional Enhancement Circuit + DSP

The YAMAHA directional enhancement (DIR. ENHANCEMENT)circuit expands and focuses the digital sound field.

This effect puts you in the midst of the action, while centering andfocusing your attention to the screen. This circuit is available onSound Field programs TV THEATER 1, TV THEATER 2,

CONCERT VIDEO and VIDEO THEATER.

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Setting Up Your Speaker System

This unit has been designed to provide the best sound fieldquality with a full seven-speaker system setup, using two extra pairsof effect speakers to generate the sound field plus one center

speaker for dialog, when using Dolby Pro Logic Surround decoding.We therefore recommend that you use a seven-speaker setup. Afour-speaker system using only one pair of effect speakers for thesound field will still provide impressive ambience and effects,however, and may be a good way to begin with this unit.You canalways upgrade to the full seven speaker system later. In the 4 or 5speaker system, the Digital Sound Field Processing is stillperformed, but the main speakers are used for both the mainchannels and the front effect channels.

Use of the Center Dialog Speaker Is Recommended

With digital sound field programs No.7 through No.12, by usingeither the Directional Enhancement circuit or the Dolby Pro Logicdecoder, decoded signals will be output from the center channel.

Therefore, if you want to upgrade the Audio/Video home theatersystem, it is recommended to use the center speaker unit.

If for some reason it is not practical to use a center speaker, it ispossible to enjoy movie viewing without it. Best results, however, areobtained with the full system.

It is also possible to further expand your system with the additionof a subwoofer and amplifier.You may wish to choose theconvenience of a Yamaha Active Servo Processing SubwooferSystem, which has its own built-in power amp.

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Four Possible Types of Speaker System Configurations Recommended

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English4 Speaker System

Simplest system.

You can enjoy widely diffused sound byonly adding two additional speaker unitsat the rear.

FRONT MIX switchSet to ON.

(See page 12.)

Center ModeSet to PHNTM.

(See page 25.)

5 Speaker System

Good for Audio/Video sources and

Dolby Pro Logic Surround.

With sound field programs No. 7through No. 12, which utilize the centerspeaker effect, more precise centerlocalization can be obtained.

FRONT MIX switchSet to ON.

(See page 12.)

Center ModeSet to NRML or WD.

(See page 25.)

6 Speaker System

Good for sound fields from 2-channel

stereo sources.

With sound field programs No. 1through No. 6, a sound effect matchingthat of a 7-speaker system can beobtained. The addition of front left andright effect speakers produces a moreeffective sound field.

FRONT MIX switchSet to OFF.

(See page 12.)

Center ModeSet to PHNTM.

(See page 25.)

7 Speaker System

This is the recommended speaker

system, providing the best sound

effects.

With sound field programs No. 1through No. 6, using both sets of effectspeakers (front and rear), reproducesthe most effective sound field. With thesound field programs No. 7 through No.12, the center speaker provides precisecenter localization.

FRONT MIX switchSet to OFF.

(See page 12.)

Center ModeSet to NRML or WD.

(See page 25.)


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Speakers and Speaker Placement

Your full seven-speaker system will require three speaker pairs:the MAIN SPEAKERS (your normal stereo speakers), the FRONTEFFECT SPEAKERS, and the REAR EFFECT SPEAKERS, plus the

CENTER SPEAKER.You may also be using a subwoofer.

You will probably use your present stereo speakers as the MAINSPEAKER pair.The front effect, rear effect do not need to be equalwith the MAIN SPEAKERS, although the center speaker should beas close as possible.They should have enough power handlingcapacity to accept the maximum output of the DSP system or theexternal amps that will drive them.

Place the MAIN SPEAKERS in the normal position.

Place the FRONT EFFECT SPEAKERS further apart than theMAIN SPEAKERS, on either side of and a few feet behind and abovethe MAIN SPEAKER pair.

Place the REAR EFFECT SPEAKERS behind your listeningposition.They should be nearly six feet up from the floor.

Place the CENTER SPEAKER precisely between the two MAIN

SPEAKERS. (To avoid interference, keep the speaker above orbelow the television monitor, or use a magnetically shielded speaker.)

If using a SUBWOOFER, such as a Yamaha Active ServoSubwoofer System, the position of the speaker is not so criticalbecause low bass tones are not highly directional.

NOTE: The Yamaha NS-C110 speaker, available in some countries,is an ideal choice for the center speaker.

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Main speaker Effect speaker Center speaker


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VIDEO SUPERIMPOSE

If you connect your video cassette recorder, video disc player,video monitor, etc. to this unit, you can take advantage of this unitscapability to display program titles, parameter data and information

about other various settings and adjustments on your video monitorsscreen.This information will be superimposed over the video image.

If there is no video source connected or it is turned off, theinformation will be displayed over a blue colored background (but novideo signal is input to this unit).

NOTE: The program titles, parameter data and other information arealso displayed on the display panel of this unit.

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1-2. SETUP

Before you start making connections make sure all related electronic components are turned OFF.

REAR PANEL

CAUTION: TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS(POLARIZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE OROTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTEDTO PREVENT BLADE EXPOSURE.

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(General Model)


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E Voltage Selector (General Model only)Be sure to set to the line voltage in your area before applyingpower. Consult your dealer if unsure of the correct setting.

F Switched AC OutletsYou may plug other audio components into these sockets as long

as their combined power consumption does not exceed thespecified value shown.Switchedmeans that these componentsare turned on and off by this units power switch.

G Unswitched AC Outlet (U.S.A., Canada and General Models)The total power consumption of audio components plugged intothis socket should not exceed the specified value shown.Unswitched means that power is available even when this unit isoff.

NOTE: If an external power amplifier is connected to the front effector rear effect output jacks, the corresponding internal amplifier will beturned off and no output will be available at the speaker terminals.

Rear Panel Switch and Control Settings

There are several switches and controls on the rear panel thatyoull have to check before operating your system, and its a goodidea to do it before you connect cables.Locate the MAIN LEVEL

slide switch (C) and FRONT MIX slide switch (B) below theEFFECT terminal group. Make sure the MAIN LEVEL switch is set to0 dB and that the FRONT MIX switch is set to OFF for 7 or 6speaker driving.

In a 5 or 4 speaker system, set the FRONT MIX switch to ON.

Next, set the NTSC/PAL switch (A) to the position correspondingto the standard which your video equipments employ. (General Modelonly)

General Instructions for Connections

Make sure that you have the left (L) and right (R) channelscorrectly connected.That means that jacks marked L on this unitmust be connected to jacks marked L on other units.Likewise withthe R jacks.This is easy if you remember to always use the red plugfor the R jacks and the other plugs for the L jacks.

With speaker connections you must also be sure that the polarityis correct. For each amplifier and each channel, connect the plus (+)terminal of the amplifier to the plus terminal of the speaker, andconnect the minus () terminal of the amplifier to the minus terminalof the speaker.To keep track of polarity, use a speaker cable that hasone of the two wires marked by a stripe or a different color.

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CONNECTING AUDIO/VIDEO SOURCE EQUIPMENTS TO THIS UNIT

CD player Video disc player

TV/Satellite tuner

Video cassette recorder 1

Video cassette recorder 2

Tuner

Tape deck 1

Tape deck 2

Turntable

Monitor TV


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CONNECTING TO S VIDEO JACKS

If your video cassette recorder, video disc player, etc. and yourmonitor are equipped with S (high-resolution) video terminals,connect them to this units S VIDEO jacks, and connect this unitsS VIDEO MONITOR OUT jack to the S video input of your monitor.Otherwise, connect the composite video jacks from your videocassette recorder, video disc player, etc. to the VIDEO jacks of thisunit, and connect this units VIDEO MONITOR OUT jack to thecomposite video input of your monitor.

NOTE: If video signals are sent to both S VIDEO input and VIDEOinput jacks, the signals will be sent to their respective output jacksindependently.

NOTE: If your unit is the General Model, be sure the NTSC/PALswitch has been correctly set to the standard that your videoequipments employ. U.S.A.and Canada models have no switch anduse the NTSC standard, while other models without a switch use thePAL standard.

Notes about the Video superimpose If you watch a video source that is connected to both S VIDEO and

VIDEO input jacks of this unit, signals of screen display informationare output from only the S VIDEO MONITOR OUT jack.

When no video signal is input to either S VIDEO or VIDEO inputjacks of this unit, signals of screen display information are outputfrom both S VIDEO MONITOR OUT and VIDEO MONITOR OUTjacks with a color background.* For the General Model, if the NTSC/PAL switch on the rear panel

is set to PAL, nothing will be output from either S VIDEOMONITOR OUT or VIDEO MONITOR OUT jack in this case.

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Video disc player TV/Satellite tuner

Video cassette recorder 1 Video cassette recorder 2

Monitor TV


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CONNECTING THE MAIN SPEAKERS AND CENTERSPEAKER(S) TO THIS UNIT

Connect the MAIN speakers to the MAIN speaker outputterminals of this unit.

Connect the CENTER speaker to the CENTER speaker outputterminals. If you will be using one CENTER speaker, connect it toeither the A or B terminals and set the CENTER speaker impedanceswitch to A or B (bottom position). If using two CENTER speakers,connect them to the A and B terminals, and set the switch to A + B(top position). If, however, you will not be using a CENTER speaker,be sure to set the Center Mode to PHNTM(phantom).(See page25.)

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Main speaker Main speaker

Center speaker

Center speaker Center speaker

This unit


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CONNECTING THE EFFECT SPEAKERS TO THISUNIT

Connect the FRONT effect speakers to the FRONT effectspeaker output terminals of this unit.

If the FRONT effect speakers are not used, the FRONT MIXswitch should be set to ON.

Connect the REAR effect speakers to the REAR effect speakeroutput terminals of this unit.

NOTE: The speaker connections above are fine for mostapplications. If for some reason, however, you wish to use an externalpower amp for any or all of the effect channels, connect the line leveloutput jack(s) for each channel to the INPUT jacks of the external

amp and connect the corresponding speaker pair to the speakerterminals of the external amp.

NOTE: If the pin plug is inserted in the FRONT/REAR EFFECT outjacks, the speaker output from the built-in amplifier will be cut off.

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Front effectspeaker

Front effectspeaker

Rear effectspeaker

Rear effectspeaker

This unit


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ADDING A SUBWOOFER

You may wish to add a subwoofer to reinforce the bassfrequencies.

This unit provides a line-level subwoofer output, which contains

only the frequencies under 200 Hz from the main and centerchannels. Connect the LOW PASS jack to the INPUT jack of thesubwoofer amplifier, and connect the speaker terminals of thesubwoofer amplifier to the subwoofer.

With some subwoofers, including the Yamaha Active ServoProcessing Subwoofer System, the amplifier and subwoofer are inthe same unit.

CONNECTING SPEAKER SYSTEMS

Connect the SPEAKERS terminals to your speakers with wire ofthe proper gauge, cut as short as possible. If the connections arefaulty, no sound will be heard from the speakers.Make sure that thepolarity of the speaker wires is correct, that is, + and markings areobserved.If these wires are reversed, the sound will be unnaturaland will lack bass. Do not let the bare speaker wires touch each otheror any other metal part as this could damage this unit and/orspeakers.

Red: positive (+)Black: negative ()

1 Unscrew the knob.2 Insert the bare wire.

3 Tighten the knob andsecure the wire.

NOTE: Use speakers with the specified impedance shown on therear of this unit.

NOTE: Banana Plug connections are also possible (except forEurope model). Simply insert the Banana Plug connector into the

corresponding terminal.

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1-3. CONTROLS & ADJUSTMENTS

FRONT PANEL

1 Power Switch* STANDBY Mode (Europe model only)While the power is on, pressing the POWER key on the remotecontrol unit switches the unit to the STANDBY mode. (In thismode, the indicator is half illuminated.)

2 Remote control sensorSignals from the remote control unit are received here.

3 Pro Logic Decoder IndicatorIlluminates while the built-in Dolby Pro Logic Surround Decoder isbeing activated.

4 Sound Field Processor IndicatorIlluminates while the built-in Sound Field Processor is beingactivated.

(General Model)


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5 Input Trim ControlAdjusts the input level of each source respectively.

6 Program SelectorSequentially selects the digital sound field processingprograms in the + or direction.

6 Display PanelShows program names, parameters and information about othervarious settings and adjustments.

7 Effect SwitchNormally ON, this switch can be turned OFF to disable outputfrom the center and effect speakers.

8 Master Volume ControlSimultaneously controls signal level at all outputs: front effect,main, rear effect, center, and subwoofer. (This does not affect

TAPE REC OUT level.)9 Phones Jack

Plug in headphones here for private listening. If the FRONTMIX and EFFECT switches are on, the effect channels will beheard along with the main channels. Otherwise the mainchannels only will be heard.

0 Bass and Treble ControlsAdjust the sound to match your tastes. Can also be used tocompensate for room acoustics. Defeated in the centerposition.

A Balance ControlAdjusts the left and right output volume to the Main Speakersto compensate for sound imbalance caused by speakerpositions or listening room conditions.

B Rec Out SwitchUsed to select the source to be recorded to tape deck or VCRindependent of the selection of input source. When pressed,the indicator corresponding to the currently selected source tobe recorded flashes.While an indicator is flashing, you canchange the selection of the source to be recorded with the

input selector switches. The selected source is also shown bythe display panel and the monitor screen (when the monitor ison).

C Input Selector SwitchSequentially selects the input source that you want to listen toand/or watch in the or direction.The indicatorcorresponding to the selected input source illuminates.Theselected input source is also shown by the display panel andthe monitor screen (When the monitor is on).

D Input Selector Switches for VCR 1, CD and LDDirectly selects VCR 1, CD or LD as the input source.

E Auxiliary Input Jacks (AUX 2)Connect an auxiliary video or audio input source equipmentsuch as a camcorder to these jacks. If the connected videoequipment has a S video output terminal, connect it to the SVIDEO jack to obtain a high resolution picture.The sourceconnected to these jacks can be selected by the input selectorswitch.

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REMOTE CONTROL UNIT 1 Transmit/Learn IndicatorIn Learn mode, lights to indicate that the key just pressed is readyfor learning input. In User mode, blinks when a learned key ispressed to show that a control signal has been sent to yourequipment.

2 YPC/USER/LEARN SwitchSet to YPC for operating this unit and Yamaha equipments. Set toUSER for using learned key functions. Set to LEARN for learningnew control functions. (See page 37.)(YPC is the abbreviation of YAMAHA Preset Code.)

3 Power KeyTurns this unit on and off.* (Europe model only):Turns the POWER on mode to the

STANDBY mode and vice versa.

4 Input Selector KeysSelect the input sources to this unit.

5 CD/LD Function KeysOperate functions on your Yamaha CD player and LD player.When the 1/2 Switch is set to 1, they operate the CD player, andwhen set to 2, they operate the LD player.

6 Test SwitchWhen pressed, sends a signal to the main left, center, mainright, and rear effect speakers in turn, and when pressed onceagain, sends a signal to the main and front effect speakers in

turn for easy comparison of level settings.7 Front Level +/ Keys

Increase (+) or decrease () the volume level of the front effectspeakers.

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8 Center Level +/ KeysIncrease (+) or decrease () the volume level of the centerspeaker(s).

9 Rear Level +/ KeysIncrease (+) or decrease () the volume level of the rear effectspeakers.

0 Reset ButtonPress this button to reset the internal microcomputer whichcontrols remote control operations.Microcomputer reset isnecessary when the remote control freezes.* Pressing the RESET button will not erase learned functions.

A On Screen Display KeyChanges the type of display showing the program name andparameters, or information about various settings/adjustments onthe connected monitors screen.

Whenever pressed, the screen changes to a full display,simplified display and no display in turn.

B Clear ButtonUsed in USER or LEARN mode to erase a learned function. (Seepage 38.)

C Effect On/Off KeyCuts off the sounds output from the front, rear effect and centerspeakers. To restore the output from those speakers, press thiskey again.

D Parameter Select KeysSelect DSP program parameters, or titles of settings/adjustmentsin the SET/MENU mode.

E Muting KeyMutes the master volume level by 20 dB. While muting, theindicator on the master VOLUME control flashes on and offcontinuously.

G Parameter +/ KeysEdit DSP program parameters, or used for five types ofsettings/adjustments in the SET/MENU mode.

H Master Volume +/ KeysIncrease (+) or decrease () the master volume level.

I Parameter/Set Menu SwitchWhen set to the PARAMETER position, the Parameter SelectKeys and Parameter +/ Keys will set and edit DSP programparameters.When set to the SET MENU position, the ParameterSelect Keys and Parameter +/ Keys are used to perform fivetypes of settings/adjustments.

J Program Select Keys (1 through 12)Select DSP programs 1 through 12.

K Tuner Function Keys

Operate Yamaha tuner functions.L Tape Deck Function Keys

Operate Yamaha tape deck functions.

M Blank KeysHave no preset functions, so are used for learning other remotecontrollers functions only.

N 1/2 SwitchWhen the YPC/USER/LEARN Switch is set to YPC, this switchesthe CD/LD Function Keys to keys for use with either the CD

player or LD player. (1 for the CD player and 2 for the LDplayer.) When the YPC/USER/LEARN Switch is set to USER orLEARN, this switch selects page 1 or 2 for the learnable functionkeys.(See page 37.)

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1-4. ADJUSTMENT

MAIN/CENTER/EFFECT SPEAKER LEVEL BALANCEADJUSTMENT

This operation uses an internal test-tone generator for balancingthe levels of the main, center and effect speakers.

1. Depress the TEST switch on the remote control so that TESTDOLBY SUR. appears in the display panel to enter test mode.Ahiss-like calibration signal should be heard from the left mainspeaker, center speaker(s), right main speaker and rear effectspeakers in turn (see diagram).Adjust the MASTER VOLUME to anormal listening level.* The state of test-tone output is shown by the display panel and

the monitor screen. (Especially on the monitor screen, it is shownby an image of audio listening room.) This is convenient foradjusting each speaker level.

2. Adjust the center and rear level by using the CENTER and REARLEVEL +/ keys on the remote control so that the sound coming fromthe corresponding speakers seems to be at the same level as thatfrom the main speakers when you are at a normal listening position.If there is insufficient volume from the effect speakers,

you may decrease the main speaker volume level by setting theMAIN LEVEL switch on the rear panel to 10 dB, and adjust thecenter and rear level again.Volume controls on external poweramplifiers may also be adjusted if necessary to achieve properbalance.

3. For the front effect speaker level adjustment, depress the TESTswitch on the remote control again so that TEST DSP appears inthe display panel.A calibration signal should be heard from the mainspeakers and the front effect speakers in turn (see diagram).

4. Adjust the front level by using the FRONT LEVEL +/ keys on the

remote control so that the speaker volume is the same as that of themain speakers.

NOTE: If not using a center speaker, be sure to set the CENTERMODE to the PHNTM (phantom) position.You will then hear thecenter channel test tone from the left and right main speakers.

After completing this adjustment, press the TEST switch onceagain.

NOTE: Once you have completed these adjustments, use only thisunits MASTER VOLUME control to adjust listening volume.Do notchange any other volume settings in the system.

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INPUT LEVEL ADJUSTMENT

This adjustment is important for obtaining the best performancefrom the internal circuits of this unit.The optimum input level of thisunit is pre-adjusted on the basis of the CD source level.Thisadjustment should be performed on all input sources in your systemrespectively, so that their levels match the CD source level as closelyas possible.

1. Select the CD source.

2. Play the source.

3. Increase the setting of the MASTER VOLUME control to aconvenient listening level (you will use this as your reference level).

4. Select any other source in your system (VCR, turntable, etc.) andplay that source.

5. Adjust the level of the source to be approximately equal to yourCD players reference level by using the INPUT TRIM control.

* This adjustment can also be done with the remote control unit.For using the remote control unit, refer to 5. Input leveladjustment (INPUT LVL TRIM) on page 26.

6. In the same way, adjust levels of other sources.

NOTE: The adjustments will be saved until it is readjusted.

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Front panel Remote control

Front panel

Front panel

Remote control

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OTHER IMPORTANT SETTINGS AND ADJUSTMENTS

IN THE SET/MENUMODE

The following five types of settings and adjustments should bedone before enjoying audio and video sources.Note that thesesettings and adjustments cannot be done without monitoring the

display information (or the information displayed on the monitorscreen).

1. CENTER MODE

2. CENTER GEQ

3. PARAMETER INIT

4. MEMORY GUARD

5. INPUT LVL TRIM

SETTING/ADJUSTMENT PROCEDUREAs described on page 9, you can perform these settings and

adjustments watching the information displayed on the monitorscreen (or superimposed over the video image). So, to use thisfunction, first turn the monitor on.

1. Set the PARAMETER/SET MENU switch to the SET/MENUposition on the remote control unit.

2. Select an item (title) of setting/adjustment.

3. Select any desired mode or edit parameters on the item.

In the same way, perform settings/adjustments for other items.

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PARAMETER

SET MENU

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DESCRIPTIONS OF THE ITEMS

1. Selecting Center Mode (CENTER MODE NRML/WD/

PHNTM)

In Normal (NRML) position, any frequency below 100 Hz will bedivided between the main left and main right speakers.For this

reason even a speaker smaller than the main left and right speakerscan obtain a sufficient effect.

In Wide (WD) position, all range of frequencies for the center-channel are output to the center speaker.Select this position if agood quality center speaker is being used.

If not using the center speaker(s), be sure to select Phantom(PHNTM) position, and the audio signals for the center channel are

output to the main speakers.

2. Adjusting Center Channel Graphic Equalizer (CENTER

GEQ)

The built-in five band graphic equalizer is used to tailor, over a 6dB range, the overall output frequency response of the centerchannel.The five bands cover the complete audible sound spectrum

and are centered on 100 Hz, 300 Hz, 1 kHz, 3 kHz and 10 kHzfrequencies. Adjustment should be done to each frequencyindividually.

Operating procedure

After selecting the item (title) in step 2 on the previous page,press the Parameter + or key on the remote control to display thecondition of the equalizer.Then select a frequency with theParameter Select keys on the remote control and adjust its level with

the Parameter +/ keys.

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3. Initializing parameters on a DSP program (PARAMETER

INIT)

You can initialize all edited parameters on a DSP program. Notethat a DSP program (except CHURCH) has two sub-programs; allparameters on both sub-programs are initialized by this operation.

Operating procedure

After selecting this item (title) in step 2 on page 24, press theParameter + or key to display the DSP program numbers (1 12).A program number whose parameters has been changed is markedwith *. Press a Program Select Key corresponding to the programnumber of which parameters you want to initialize.When initialized,the * mark will disappear.

4. Locking DSP parameters and other adjustments(MEMORY GUARD)

If you wish to prevent accidental alteration to DSP parameters orother adjustments on this unit, select ON. In this position, they arelocked and cannot be changed. The following functions on this unitcan be locked by this operation.

DSP parameters Other setting/adjustment items in the SET/MENU mode

(CENTER MODE/CENTER GEQ/PARAMETER INIT/INPUT LVLTRIM)

ON SCREEN display key INPUT TRIM control FRONT, REAR and CENTER level +/ keys TEST switch

5. Input level adjustment (INPUT LVL TRIM)

This function is provided for all input sources.It can be controlledfrom 0 to +6 dB in 2 dB steps.The sound level of each input sourceshould be the same as that of regular CDs.

To adjust the input level, either press the INPUT TRIM control onthe front panel (see page 23), or select the 5. INPUT LVL TRIM instep 2 on page 24.

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2-1. PLAYING A SOURCE

1. Set the MASTER VOLUME control to minimum.

2. Turn the power on.

3. Select an input source.(The selected source is shown by the display panel, the monitorscreen and illumination of the corresponding indicator over the

input selector switches.)

* On the front panel, VCR 1, CD or LD can be selected directly bypressing the corresponding switch.

4. Play the source.

5. Increase the setting of the MASTER VOLUME control to yourlistening level.

Adjust the BASS, TREBLE, BALANCE controls, etc., or select a

desired sound field program.(See page 29.)

NOTE: If a different audio source is selected with the input selectorkeys on the remote control unit while enjoying a video source, thesound from the newly selected audio source is heard, but the picturefrom the video source can still be seen.

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GENERAL OPERATION

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2-2. RECORDING A SOURCE TO AUDIO/VIDEO TAPE(OR DUBBING FROM A TAPE TO ANOTHER)

To record an input source to be played

1. Press the REC OUT switch (so that REC OUT... appears on thedisplay and the monitor screen).

Front panel

2. Within 5 seconds after the REC OUT switch is pressed, select the

SOURCEposition with the input selector switch (so that RECOUT SOURCE appears on the display panel and the monitorscreen).

Front panel

3. Press the REC OUT switch (so that the indicator correspondingto the selected source to be recorded stops flashing).* The same result will be gained after 5 seconds automatically

without any operation.

4. Select an input source to be played (and to be recorded).(See page 27 for the method of input source selection.)

5. Play the source.

6. Set the tape deck or VCR used for recording to the recordingmode.* Adjust the recording level on the tape deck or VCR.



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To record a source other than the input source to beplayed

This unit has a function of selecting a source to be recorded to tapedeck or VCRs independent of the selection of input source.

1. Press the REC OUT switch ( so that REC OUT... appears on thedisplay and the monitor screen).

Front panel

2. Within 5 seconds after the REC OUT switch is pressed, select the

source to be recorded with an input selector switch.Front panel

3. Press the REC OUT switch (so that the indicator correspondingto the selected source to be recorded stops flashing).* The same result will be gained after 5 seconds automatically

without any operation.

4. Play the source and confirm it by selecting it with an input selector

switch and increasing the setting of the MASTER VOLUMEcontrol.

5. Set the tape deck or VCR used for recording to the recordingmode.

* Adjust the recording level on the tape deck or VCR.

6. While recording a source, you can enjoy listening to and/orwatching another source selected with an input selector switch.

While recording, you can monitor the audio and/or video signalsto be recorded by selecting the tape deck or VCR used for recordingwith an input selector switch.

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NOTE: Adjusting the MASTER VOLUME, BASS, TREBLE controls,etc., or selecting a sound field program has no effect on the materialbeing recorded.

NOTE: Composite video and S video signals pass independentlythrough this units video circuits.Therefore, when recording or

dubbing video signals between two video cassette recorders, if yoursource VCR is connected to provide only S video (or only compositevideo) signals, you can record only a S video (or only a compositevideo) signal on your second VCR.

NOTE: Please check the copyright laws in your country to recordfrom records, compact discs, radio, etc. Recording of copyrightmaterial may infringe copyright laws.

If you watch a video software that uses scramble orencoded signals to prevent it from being dubbed, there maybe a case that display information superimposed on thepicture and/or the picture itself is disturbed according to thetype of the signals.

2-3. DIGITAL SOUND FIELD PROGRAMS

This unit has 12 programs for digital sound field processing, 6from actual acoustic environments from around the world, and 6programs for Audio/Video sources including sources encoded with

Dolby Pro Logic surround.Many of the programs contain variousparameters that can be adjusted to the listeners taste.

2-4. SELECTING SOUND FIELDPROGRAMS

1. Set the PARAMETER/SET MENU switch on the remote control tothe PARAMETER position.

2. Select the desired sound field program by pressing thePROGRAM selector on the front panel or by using the ProgramSelect keys on the remote control.

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PARAMETER

SET MENU

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3. All sound field programs except CHURCH have two sub-programs (see 2-7. DESCRIPTIONS OF THE SOUND FIELDPROGRAMS).The sub-programs are selected using the Parameter+/ keys on the remote control unit.The CONCERT HALL 1program, for example, contains the sub-programs Hall A in Europeand Hall B in Europe.When the CONCERT HALL 1 program is first

selected, the Hall A in Europe sub-program will be selected anddisplayed on the front panel.To select Hall B in Europe, press theParameter + or key.To return to Hall A in Europe, press theParameter + or key again.The same selection procedure applies toall other programs.The sub program selection can also be done simply by pressing thecorresponding Program Select key on the remote control.* When you change the sub-program by using a Program Select

key while watching the monitor screen, press a key as described

below;If the display type is a full display, press the key of thecorresponding program once.If the display type is a simplifieddisplay or no display, press the key twice.

2-5. MUTING THE EFFECT SOUND

The EFFECT switch on the front panel and the EFFECT ON/OFFkey on the remote control unit make it simple to compare the normalstereo sound with the fully processed effect sound.

To mute the effect sound and monitor only the main sound, pressthe EFFECT ON/OFF key or the EFFECT switch.Press the EFFECTON/OFF key or EFFECT switch a second time to restore normaloperation.

2-6. SUPERIMPOSED VIDEOPROGRAM/PARAMETER DISPLAY

You can select program names and edit parameters watchingtheir data displayed on your video monitor screen and superimposedover the video image as described on page 9.

1. Turn your monitor on, and press the ON SCREEN display key onthe remote control unit to call the full display mode.

2. The current program name and its parameters will be displayed

on the monitor screen.The arrow-shaped cursor points to thecurrently selected parameter.Parameters are selected and editedusing the Parameter Select keys and +/ keys. (See page 40 fordetails.)

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2-7. DESCRIPTIONS OF THE SOUND FIELD PROGRAMS

The following list gives brief descriptions of the sound fields produced by each of the DSP programs. Keep in mind that most of these areprecise digital recreations of actual acoustic environments.The data for them was recorded at the locations described using sophisticated soundfield measurement equipment.* The channel level balance between the left rear effect channel and the right rear effect channel may be different depending on the sound

field you are listening to.This is due to the fact that most of these are recreations of actual acoustic environments.

1. CONCERT HALL 1

Hall A in Europe: This is a large fan-shaped concert hall inMunich which has approximately 2500seats.Almost the whole interior is made ofwood.There is relatively little reflectionfrom the right and left walls, and soundsspread finely and beautifully.

Hall B in Europe: This is a large shoe-box type concert hallwith approximately 2500 seats. Almost thewhole interior except the ceiling is made ofwood, including mahogany reflectivepanels.Special reflective paneling abovethe stage produces strong frontal

reflections which tend to reinforce thedirect sound from the stage.This hall has avery solid, powerful sound.

2. CONCERT HALL 2

Hall C in Europe: A classic shoe-box type concert hall withapproximately 1700 seats.Pillars andornate carvings create extremely complexreflections.Those reflections and thereflections from all directions of the hallproduce a very full, rich sound.

Hall D in U.S.A.: This is a large 2600-seat concert hall in theUnited States which features a fairlytraditional European design.The interior isrelatively simple, suggesting an Americantaste.Sound of the middle and highfrequencies are richly and beautifully

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3. CONCERT HALL 3

Hall E in Europe: A classic large shoe-box type concert hallwith approximately 2200 seats. It has acircular stage and seats located behind thestage.

Live Concert: A large round concert hall with a richsurround effect. Pronounced reflectionsfrom all directions emphasize theextension of sounds.You will experiencethe sound field with a great deal ofpresence sitting at about the centerposition near the stage.

This sound field is also effective forkaraoke.This is because you feel as if youare standing on a real stage.

4. CHURCH

A church in Tokyo shaped like a cross. There is the altar at theupper side of the cross, and a pipe organ at the opposite side(the lower side of the cross). It is a very unique shape with wallsall leaning inside, and pillars standing by the side of walls only.

The sound field has moderate reverberations of which time is 2.5seconds.

5. ROCK CONCERT

The Roxy Theatre: The ideal program for lively, dynamic rockmusic.The data for this program wasrecorded at LAs hottest rock club.

Arena: A big, powerful sound suited to rock music.

6. JAZZ CLUB

Village Gate: A jazz club in New York. It is in a basementand has a relatively spacious floor area.The reflection pattern is similar to that of asmall hall.

Cellar Club: This is a small, cozy jazz club with a lowceiling.The sound is very close andintimate.

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7. TV THEATER 1

Game/Amusement: The sound field of a disco is used for thefront presence side, and the sound field ofa concert hall in Vienna is used for the rearsurround side.This program reproduces video game

music etc. more vividly emphasizing thefast tempo and lightness of the music. Ifthe music is in stereo, more effectivesound field will be gained by this program.This program is also suitable for karaokepopular music.

Karaoke: Vocals are reproduced with gentlereverberations on the stage surrounded byseats in a round hall. A feeling of echofrom the high ceiling and reverberations infront and behind the hall brings a lot ofpresence on both the stage and the seats.By using a source with digital sound, thesound of the greatly instrumentalaccompaniment is much expanded, soemphasizing the spatial effect with vocals.You feel as if you are standing on a live-

stage.

8. TV THEATER 2

Drama: The data of the sound field of a relativelynarrow space is used for the front presenceside.A moderately sized spatial sound fieldwithout excessive sound extension andreverberations gives reality to the characters

in a drama.The data of the sound field of an operahouse is used for the rear surround side. Ina stereo program, background music isreproduced more beautifully with muchdepth, enhancing sound effects on thedrama. Its natural sound effect will not makeyou tired from long watching.

Variety/Sports: Though the front presence side of the soundfield is relatively narrow, the rear surroundside employs the sound environment of alarge concert hall.With this program, youcan enjoy watching various TV programssuch as the news, variety shows, musicprograms or sports programs. In a stereobroadcast of a sports game, thecommentator is oriented at the centerposition, and the shouts and the atmospherein the stadium spreads on the surround side,

however, spreading of them to the rear sideis properly restrained.

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9. CONCERT VIDEO

Classical/Opera: This program provides excellent depth ofvocals and overall clarity, restrainingexcessive reverberation.For opera, the orchestra pit and the stageare ideally combined, letting you feel a full

presence sound.The rear surround side ofthe sound field is relatively moderated,however, it reproduces beautiful sound bythe use of the data of a concert hall.Youwill not be tired from long watching of anopera.

Pop/Rock: This program produces an enthusiasticatmosphere and lets you feel that you arein the midst of the action, as if attending anactual jazz or rock concert.The indirect sound constituent spreads onthe surround side of the sound field by theuse of data of a large round hall for thesurround side, so the image space aroundthe screen and the sound space are fully

expanded.

10.VIDEO THEATER

Fantasy: Powerful reverberations on the frontpresence side of the sound field addsdepth to the image, so expanding theimage space.On the rear surround side,sounds are reproduced lightly but vividly.

The sound field of this program matchesimage effects of animated films regardlessof the genre. Conversations, sounds andsound effects are reproduced with vitalityby this program. A source in stereo willobtain more effect, letting you steepyourself in a fantastic world of animations.

Classic Film: This program is for reproducing monauralvideo sources (old movies etc.). Monauralsounds are reproduced with muchpresence by the front presence side of thesound field and optimum reverberationeffect.The use of the center speakermakes conversations more audible,obtaining a pleasant mix of conversationsand picture.

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11.MOVIE THEATER

Ideal for reproducing video discs, video tapes and similar sourceswhich are Dolby Surround encoded and bear the DOLBYSURROUND logo.

70 mm Adventure: This program is ideal for precisely

reproducing the sound design of thenewest movies.The sound field is madeaccording to the design of the newestmovie theaters, so the reverberations ofthe sound field itself are restrained asmuch as possible.The three dimensionalfeeling of the sound field is emphasized,and dialog is precisely oriented on thescreen.You can enjoy watching S.F.X.,adventure movies, etc. with this program.

70 mm General: This program is for reproducing sounds ona 70 mm multi-track film, and characterizedby a soft and extensive sound field.Thefront presence side of the sound field isrelatively narrow. It spatially spreads allaround and toward the screen, restrainingecho effect of conversations without losingclarity. For the surround side, the data ofthe sound field of an opera house is usedon an enlarged scale, so the harmony of

music or chorus sounds beautifully in awide space at the rear of the sound field.

12.DOLBY PRO LOGIC SURROUND

Reproduces video discs, video tapes and similar sources whichare Dolby Surround encoded and bear the DOLBYSURROUND logo.

Normal: The digital Dolby Pro Logic decoder

reproduces sounds and sound effects of asource encoded in Dolby Surround.Therealization of a highly efficient decodingprocess improves crosstalk and channelseparation and makes sound positioningsmoother and more precise.

Enhanced: This program ideally simulates the multi-surround speaker systems of the 35 mmfilm theater.Surround signals by the DolbyPro Logic decoder are processed on thesurround side of the sound field based onthe data of the sound field of a shoe-boxhall.The surround effects produced by thissound field folds the viewer naturally fromthe rear to the left and right and toward thescreen.

NOTE: The Dolby Pro Logic Surround system is designed to be usedwith program material (mainly videotaped movie soundtracks)encoded with the Dolby Surround system.

NOTE: If the main and center channel sound is considerably alteredby overadjustment of the BASS or TREBLE controls, the relationshipwith the rear channels may produce an unnatural effect.

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2-8. REMOTE CONTROL LEARNING FUNCTION

The remote control unit, in addition to controlling the mostcommonly used functions of the main unit and other connectedYamaha audio and video equipment, has a sophisticated learningfunction that allows it to control other equipment in your system

equipped with infrared remote control receivers. By setting theYPC/USER/LEARN switch on the remote control unit to LEARN, allkeys will turn into learnable function keys, each capable oflearninga different remote control function. Also, each key canlearn two different functions by switching the learning page (1 or 2)with the 1/2 switch. However, as for the keys shaded in the followingfigure, the PARAMETER/SET MENU switch will select the learningpage number (1 or 2) instead of the 1/2 switch.

Learning a New Remote Control Function

1. Select the learning page number (1 or 2) by using the 1/2 switch.

2. Set the YPC/USER/LEARN switch to LEARN.

3. Aim the infrared transmitter window of the other remote controlunit.

4. Press the key that is to have a new function assigned to it.TheTRANSMIT/LEARN indicator will illuminate.

5. Press and hold down the button on the other remote control unitcorresponding to the new function to be learned.Hold the buttondown until the TRANSMIT/LEARN indicator is extinguished.Thefunction has now been learned.

6. Repeat steps 4 and 5 to learn additional functions.

7. Set the YPC/USER/LEARN switch to USER.Pressing thelearned key will now perform the assigned function. Provided user

program sheets should be used to record the functions learned bythe various keys.

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NOTE: The originally preset function of a key is still available in theUSER position if the key does not learn a new function.

NOTE: If all signals learned are long signals, it is possible that thecapacity of the memory could be completely filled before all of thekeys learn new functions, and so no further learning is possible.

The function learned by any key can be easily changed byrepeating the learning process with a different function. It is alsopossible to erase learned functions so that the keys return to theoriginally preset functions.

Erasing a Learned Function

1. Set the YPC/USER/LEARN switch to USER.

2. Use the point of a pencil or other similar object to press and holdthe CLEAR button.

3. Press and hold the key whose function is to be erased until theTRANSMIT/LEARN indicator flashes on and off three times.

Erasing All Learned Functions

1. Set the YPC/USER/LEARN switch to LEARN.

2. Use the point of a pencil or other similar object to press and holdthe CLEAR button.

3. Press and hold any key until the TRANSMIT/LEARN indicatorflashes on and off seven times.

NOTE: All of the memorized functions will be retained while youreplace the batteries.However, if no batteries are installed for a fewhours, the memory will be erased and will have to be programmedagain.

NOTE: There may occasionally be instances in which, due to thesignal-coding and modulation systems employed by the other remotecontrol unit, that this unit will not be able to learn its signals.

NOTE: When the remote control freezes, press the RESET button onthe rear of the main unit to reset the internal microcomputer whichcontrols remote control operations.Pressing the RESET button will not erase learned functions.

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3-1. SELECTING AND EDITING PROGRAM PARAMETERS

WHAT IS A SOUND FIELD?

In order to explain the impressive functions of the DSP system,we need to first understand what a sound field really is.

What really creates the rich, full tones of a live instrument are themultiple reflections from the walls of the room. In addition to makingthe sound live, these reflections enable us to tell where the player issituated, and the size and shape of the room in which we are sitting.We can even tell whether it is highly reflective, with steel and glasssurfaces, or more absorbentwood panels, carpeting and curtains.

THE ELEMENTS OF A SOUND FIELD

In any environment, in addition to the direct sound comingstraight to our ears from the players instrument, there are two distincttypes of sound reflections that combine to make up the sound field:

(1) Early Reflections. Reflected sounds reach our ears extremelyrapidly (50 ms 100 ms after the direct sound), after reflecting fromone surface onlyfor example, from the ceiling or a wall. Thesereflections fall into specific patterns as shown in the diagram on page

41 for any particular environment, and provide vital information to ourears.Early reflections actually add clarity to the direct sound.

(2) Reverberations.These are caused by reflections from more thanone surfacewalls, ceiling, the back of the roomso numerous thatthey merge together to form a continuous sonic afterglow.They arenon-directional, and lessen the clarity of the direct sound.

Direct sound, early reflections and subsequent reverberationtaken together help us to determine the subjective size and shape ofthe room, and it is this information that the DSP system reproducesin order to create sound fields.

If you could create the appropriate early reflections andsubsequent reverberations in your listening room, you would be ableto create your own listening environment.The acoustics in your room

could be changed to those of a concert hall, a dance floor, or virtuallyany size room at all.This ability to create sound fields at will is exactlywhat Yamaha has done with the DSP system.

DSP programs consist of some parameters to determineapparent room size, reverberation time, distance from you to theperformer, etc. In each program, those parameters are preset withvalues precisely calculated by Yamaha to create the sound fieldunique for the program. It is recommended to use DSP programswithout changing values of parameters, however, this unit also allowsyou to create your own sound fields.Starting with one of the built-inprograms, you can adjust those parameters.Even if power is turnedoff, your custom sound fields will remain in the DSP systemsmemory for about two weeks.The following pages detail how tomake your own sound fields.

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In addition to the TYPE parameter which selects the sub-programs within each sound field program (e.g. Hall A in Europeand Hall B in Europe for program 1, CONCERT HALL 1), eachprogram also has a set of parameters that allow you to change thecharacteristics of the acoustic environment to create precisely theeffect you want.These parameters correspond to the many natural

acoustic factors that create the sound field you experience in anactual concert hall or other listening environment.The size of theroom, for example, affects the length of time between the earlyreflectionsthat is, the first few widely spaced reflections you hearafter the direct sound.The ROOM SIZE parameter provided inmany of the DSP programs alters the timing between thesereflections, thus changing the shape of the room you hear. Inaddition to room size, the shape of the room and the characteristicsof its surfaces have a significant effect on the final sound. Surfaces

that absorb sound, for example, cause the reflections andreverberations to die out quicker, while highly reflective surfaces allowthe reflections to carry on for a longer period of time.The DSPparameters allow you to control these and many other factors thatcontribute to your personal sound field, allowing you to essentiallyredesign the concert halls and rooms provided to create custom-tailored listening environments that ideally match your mood andmusic.

Refer to 3-2. DESCRIPTIONS OF THE DIGITAL SOUND FIELDPARAMETERSon page 41 for a description of what each parameterdoes, how it effects the sound, and its control range.

1. With the desired program selected, press the Parameter Select() key on the remote control unit once. This will recall the nextparameter after the program type. In the case of the CONCERTHALL 1 program, for example, this would be the INIT.DLY parameter.You can continue pressing the Parameter Select () key

to select other parameters in sequence.Press the Parameter Select() key to scroll upward through the parameter list.

2. When the desired parameter has been recalled, use theParameter + (increment) and (decrement) keys to change its valueto create the effect you want.+ increases the value of the selected

parameter, and decreases the value of the selected parameter. Inboth cases you can hold the key down for continuous incrementing ordecrementing.The display will pause for a moment at the initial valueof the parameter as a reminder.

NOTE: Parameter edits made in this way will remain in effect evenwith power turned off for up to about two weeks, after which allparameters, as well as other adjustments or settings on this unit, willreturn to their initial values or conditions.

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3-2. DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS

Not all of the following parameters are found in every program.

ROOM SIZE

How it Affects the Sound:

Changes the apparent size of the music venue.The larger thevalue, the larger the simulated room will sound.

What it Does:

Adjusts the timing between the early reflections.Early reflectionsare the first group of reflections you hear before the subsequent,dense reverberation begins.

Control Range:

0.1 2.0Standard setting is 1.0.

Changing this parameter from 1 to 2 increases the apparentvolume of the room eight times (length, width, and height alldoubled).

INIT DLY (Initial Delay)


Changes the apparent distance from the source sound.

Since the distance between a sound source and a reflectivesurface determines the delay between the direct sound and the firstreflection, this parameter changes the location of the sound sourcewithin the acoustic environment.

What it Does:

Adjusts the delay between the direct sound and the first reflection

heard by the listener.

Control Range:

1 49 milliseconds

For a small living room this parameter would be set for a smallvalue. Large values for a big room. Larger values produce an echoeffect.

INIT. DLY INIT. DLY INIT. DLY

Level Level Level Level Level

Small

Time Time Time Time Time

Small space Large space

Time

SmallLarge Large

LevelDirect sound Direct sound Direct sound Direct sound

Early reflections Early reflections Early reflections Early reflections


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LIVENESS


This parameter changes the apparent reflectivity of the walls inthe hall.

The early reflections from a sound source will lose intensity(decay) much faster in a room with acoustically absorbent wallsurfaces than in one which has mostly reflective surfaces. A roomwith highly reflective surfaces in which the early reflections decayslowly is termed live, while a room with absorbent characteristics inwhich the reflections decay rapidly is termed dead.The LIVENESSparameter lets you adjust the early reflection decay rate, and thus theliveness of the room.

What it Does:

Changes the rate at which the early reflections decay.

Control Range:

0 10.

REV. TIME (Reverberation Time)


The natural reverberation time of a room depends primarily on itssize and the characteristics of its inner surfaces.This parameter,

therefore, changes the apparent size of the acoustic environmentover an extremely wide range.

What it Does:

Adjusts the amount of time it takes for the level of the dense,subsequent reverberation sound to decay by 60 dB (@ 1 kHz).

Control Range:

1.0 5.0 seconds.

The reverb time in a small-to-medium size hall would be between1 and 2, and in a large hall it is normally between 2 and 3.

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REV. TIME

60 dB

REV. TIME

60 dB

REV. TIME

60 dB

Level Level Level Level

Reverberations Reverberations Reverberations

Level

Small

Time Time Time Time TimeDead Live

Time

SmallLarge Large

LevelDirect sound Direct soundEarly reflections


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DIR. ENHANCEMENT (Directional Enhancement)

This circuit emphasizes the position of sound. If this circuit isactivated, the unity constituent of the input left and right channels(those signals which are common to the left and right channels) willbe output from the center speaker, and the disparity constituent of

the left and right signals (the difference between the left and rightchannels) will be output from the surround speakers.

Because the unity constituent signal determines localization,precise localization is obtained even though a listener is left or rightof the ideal center listening position.

The primary sound field around the screen is obtained accordingto processing based on left, center and right speakers as the sound

source.Also, with the processing of the surround sound sourcebased on the disparity constituent (which includes most of theindirectional sound constituent), sound diffusion to the rear speakersis obtained.Therefore, directional enhancement is an especiallyeffective processing option for vocal or operas.

With monaural sound sources, almost all sounds are output fromthe center speaker instead of the left and right main speakers.

Selectable levels:OFF/MIN/MID/MAX

DOLBY PRO LOGIC (for MOVIE THEATER only)

By adding the Dolby Pro Logic Decoder to the DSP effect, the fullpresence of a 70 mm film theater is reproduced without deterioratingthe channel separation.

With monaural sound sources, almost all sounds are output fromthe center speaker instead of the left and right main speakers.

Selectivity:

ON/OFF

DELAY

Adjusts the delay between the direct sounds (at the main left,center and main right channels) and the effect sounds (at the fronteffect and rear effect channels).The larger the value, the later theeffect sounds are generated.

Control Range:

15 30 milliseconds

TROUBLESHOOTING


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PROBLEM POSSIBLE CAUSE WHAT TO DO

Power does not come on. AC cord not properly plugged in. Carefully plug AC plug into outlet.

Hum. Bad cable connection. Firmly plug in all connection cables.

No sound. Bad or incorrect input connection. Check connections.Incorrect input source selection. Select the appropriate input source with the input selector switch.

No sound from the effect speakers. The EFFECT switch is set off. Press the EFFECT switch to turn on.The DOLBY PRO LOGIC program is being used Use a different sound field program.

with material not encoded with Dolby Surround.No sound from the front The FRONT MIX switch is set Set the FRONT MIX switch to OFF.effect speakers. to ON.

No sound from the center speaker. The center mode is in PHNTM. Select the appropriate center mode.Incorrect sound field program. Select the appropriate program.

The sound suddenly goes off. The protection circuit has activated because of Turning the unit off and then on will reset the protection circuit.short circuit etc.

DSP parameters or other settings on this The MEMORY GUARD function is Turn the MEMORY GUARD OFF.unit cannot be changed. set ON.

The sound field cannot be recorded. It is not possible to record the sound field on atape deck connected to this units TAPE

REC OUT jacks.The remote control unit does not function Dead batteries. Replace batteries.properly. Wrong distance or angle. The remote control unit will function from a maximum range of 7

meters, no more than 30 degrees off-axis from the front panel.

Direct sunlight or lighting (of an inverter type of Change position of the main unit.flourescent lamp etc.) is striking the remotecontrol sensor of the main unit.

Noise from nearby TV or tuner. This unit is too close to the affected Move the unit further away from the affected equipment.equipment.

The TRANSMIT/LEARN indicator blinks Memory is full. Erase unnecessary functions.twice when learning a function.

Continuous functions such as volume are Learning process incomplete. Be sure to press the function key on the other remote controllearned, but operate only for a moment until the TRANSMIT/LEARN indicator is extinguished.before stopping.

ROU S OO G

SPECIFICATIONS


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Minimum RMS Output Power Per Channel

Main (20 Hz 20 kHz 0.015% THD 8/6)[U.S.A. and Canada models] ..... ......................................................... 65W/80W[Australia, Europe, U.K. and General models] ................................... 60W/75WCenter (20 Hz 20 kHz 0.015% THD 8/6)[U.S.A. and Canada models] ..... ......................................................... 65W/80W[Australia, Europe, U.K. and General models] ................................... 60W/75W

Front, Rear Effect (1 kHz 0.03% THD)8 .................................................... ....................................................... 22W x 46 .................................................... ....................................................... 25W x 4

Dynamic Power Per Channel

(by IHF Dynamic Headroom Measuring Method)

[U.S.A. and Canada models](8/6/4) ........................................................ ..................... 85W/105W/130W

DIN Standard Output Power Per Channel [Europe model]

(1 kHz 0.7% THD 4) ................................................... ............................... 105W

Dynamic Headroom [U.S.A. and Canada models]

(8/6) ............................................................... ............................. 1.2 dB/1.2 dB

IEC Power [Europe model]

(1 kHz 0.015% THD 8/6) ........................................................ ......... 65W/80W

Damping Factor

(1 kHz 8) .................................................................. .................... More than 100

Input Sensitivity/Impedance (100W/8)

PHONO MM ............................ ........................................................ 2.5 mV/47 kCD/TUNER/TAPE/LD/VCR/TVDBS/AUX ....... ............................. 150 mV/47 k

Maximum Input Signal

CD/TUNER/TAPE/LD/VCR/TVDBS/AUX (1 kHz 0.5% THD)..... More than 2.3VPHONO MM (1 kHz 0.01% THD) ............................................. More than130 mV

Output Level/Impedance

REC OUT (PHONO MM)........................................................ .......... 150 mV/1 kPRE OUT (FRONT L, R, REAR L, R) ................................................... 1V/1.2 kLOW PASS (fc=200 Hz) (EFFECT OFF) .......................................... 4.0V/3.3 k

Headphone Jack Rated Output/Impedance

Output Level (8, 1kHz, 0.03% THD) ........................................................ .. 0.19VImpedance ........................................................ ............................................ 100

Frequency Response (20 Hz 20 kHz)

CD/TUNER/TAPE/LD/VCR/TVDBS/AUX ............................................. 01.0 dB

RIAA Equalization Deviation

PHONO MM ........................................................................................... . 00.5 dB

Total Harmonic Distortion

PHONO MM to REC OUT, 1V, 20 Hz 20 kHz....................................... ... 0.01%CD/TUNER/TAPE/LD/VCR/TVDBS/AUX to SP OUT

35W/8, MAIN L/R, 20 Hz 20 kHz ............................................ ............ 0.02%10W/8, FRONT L/R, REAR L/R, 1 kHz .................................................... 0.3%

Built-in amplifier35W/8, MAIN L/R, CENTER, 20 Hz 20 kHz...................................... 0.008%10W/8, FRONT L/R, REAR L/R, 20 Hz 20 kHz ................................. 0.03%

Signal-to-Noise Ratio (IHF-A Network)

PHONO MM (Input Shorted) (EFFECT OFF) ............................ More than 86 dBCD/TUNER/TAPE/LD/VCR/TVDBS/AUX (Input Shorted) (EFFECT OFF)...................................................... ............................................... More than 96 dB

Residual Noise (IHF-A Network) ................................................ Less than 150 V

Channel Separation Vol 30 dB

PHONO MM Input shorted

1 kHz/10 kHz ..................................... ............................... More than 65 dB/50 dBCD/TUNER/TAPE/LD/VCR/TVDBS/AUX Input 5.1 k Terminated1 kHz/10 kHz ..................................... ............................... More than 60 dB/45 dB

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yamaha dsp a970

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