module 1: intro to radio basics -- for trainers
TRANSCRIPT
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Ensuring a safe and secure homeland for all North Dakotans
ND Department of Emergency Services
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Basic Radio 101An Emergency Responder’s Guide to Effective Radio Communication
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Communication is Important
• Communicate effectively
• Protect community• Save lives
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Purpose
Provide a common understanding of basic two-way radio knowledge and
guidelines to enhance overall communication for all North Dakota
emergency responders
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Overview of TrainingModule 1: Introduction to Radio Basics
Module 2: Radio Protocol Guidelines
Module 3: Troubleshooting
Module 4: Local Perspective
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Introduction to Radio Basics
Getting to Know Your Radio and How to Use It Effectively
Module 1
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Radio CommunicationIntroduction to Radio Basics
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Walkie-talkies, Phones and Radios
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How It Works
• Radio console• Base station• Tower/repeater• Mobile radio• Portable radio
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What’s a PSAP?Public
Safety
Answering
Point
Emergency911
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Base Station
• Fixed radio station• Receives and
transmits– NOT simultaneously
http://cfpub.epa.gov
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Mobile Radio• Mounted• Used in motion or
stopped
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Portable Radio• Battery powered• Hand held• Carried by
person
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Repeaters• Boost signal• Receive and transmit
different frequencies simultaneously
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Towers• Reduce interference• Signal travels farther
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Anatomy of a RadioIntroduction to Radio Basics
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Power• Power “ON” and “OFF”• Different styles
– Push button– Control knob
• Turn off when changing batteries
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Squelch• Eliminates noise on
analog radios• “Open” for white noise• “Close” to reduce noise• Separate knob or ring
under volume knob
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• Wait 2 seconds• Speak in normal voice• Incoming messages
lost if PTT is activated
Push-to-Talk (PTT)
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Speaker & Mic• Speaker and mic
together• Mic when PTT is
pressed• Speaker when PTT is
not in use
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• Vertical for best reception
• Not a handle
Antenna
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Batteries• When storing:
– Turn off radio– Remove or replace
with charged batteries
• Have extra battery pack
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Programming the RadioIntroduction to Radio Basics
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Analog vs. Digital Signals
Analog• Signal unaltered• Heard simultaneously• Human voice is analog
Digital• Not continuous• Signal encoded• Converted back to plain
audio
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Battle of the Bands
VHF• Very High Frequency• 150 MHz to 170 MHz
UHF• Ultra-high Frequency• 450 MHz to 470 MHz
• Respond to and recover from:• ALL Hazards• ALL Disasters
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• Push-button• Dial control• Automatic scanning
Channel ScanningChannel/ModeSelect Knob
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• One frequency at a time
• Must be on same channel
• Special-use frequencies
Selecting Frequency
Channel/ModeSelect Knob POL
DISP NW
Channel/ModeName
CALLPAGEMUTE
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Introduction to Radio Basics
Review• General radio
communication• Anatomy of a radio• Programming the radio
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Ensuring a safe and secure homeland for all North Dakotans.
ND Department of Emergency Services