Instructions on use of GPS Device

Etrex-10

What is GPS ?

• Global positioning system.

• It is a navigation system for

measuring a position by receiving

information from GPS satellites.

• It’s a constellation of 24 satellite

orbiting at a distance of 20,000 km

from the surface of the earth.

GPS Data

GPS Satellites

GPS Receiver

Benefits of GPS

Location -Determine a basic position.

Mapping - Creating maps.

Area - Calculate area of plot.

Installing AA Batteries:

You can use alkaline, NiMH, or lithium batteries.

i. Turn the D-ring (Battery cover locking ring) anti

clockwise, pull up to remove the cover.

ii. Insert the batteries, observing polarity (+/-)

iii. Re-place the battery cover, and turn the D-ring

clockwise

D-

Ring(Battery

Cover Locking

Ring)

Etrex 10 GPS Receiver

First of all you have to know about the keys of the

eTrax 10 .

1. Zoom Keys (to increase or decrease the scale of map)

2. Back keys (back from current page and also as a Page

Menu)

3. Thumb Stick (used to up -down the selected Tab and

as a Enter Key)

4 . Menu keys (to get the options in a Tab)

5. Power and backlight Keys(to Turn on and off the

device and adjust the backlight)

Powering on the Device

Press power button as mentioned in key

no.5. It begins on in a few seconds and

then it acquires satellite signals in few

minutes.

The device may need a clear view of

the sky to acquire satellite signals. To

go to satellite page, scroll up to

Satellite Page by using button thumb

stick 3. When the GPS bars on the

satellite page are solid, your device has

acquired satellite signals. The time and

date are set automatically based on the

GPS position.

Satellit

e Page

• In the Satellite Page, at least 4 satellite’s must be in

range while taking GPS reading.

• After you start a GPS device, the satellite page must

show an accuracy level of 3 meters.

Satellite Strength

Indicator Bars

Sky Map

AccuracyPosition

GPS Information Page

N 23’33’’

E 18’22’’ 5mt

Instructions during use of GPS

Precautions during use of GPS device

• To use the GPS Device, you must be in an open area, such

as out of doors.

• Positioning may be difficult or impossible in the following

situations:-

- Under the water

- Under the ground or indoors.

- In tunnels.

- Among high-rise buildings.

- Under elevated or near high voltage electrical power lines.

• To start GPS power button should be pressed for 1 to 2

seconds.

• To change brightness level press the power button once.

• Before starting Area Calculation, current track must be

deleted by going to the Track manager option.

• Before saving area details of farmer must be saved in note

box.

• Save waypoint with Punch plate number.

• Always clear the dash board map through hide on map.

• If GPS device is not required switch it off because it

consumes a lot of battery power.

Precautions during use of GPS device (Contd….)

Some GPS Terms :

Way Point - Is used to mark location of a Treadle Pump.

Name of location will be Punch plate number.

Track : A Track is a line of travel.

Area Calculation - To calculate area of the field irrigated by

treadle pump.

Way Point Manager - To find saved Treadle Pump Location.

If necessary edit Way Point.

Track Manager - It manages saved tracks. To find saved

area. If necessary edit area.

Terminology

How to mark Treadle Pump Location (Mark Waypoint)

Double click on Menu button

Select Mark Waypoint from main menu page (with Thumb Stick button)

Press Thumb stick as Ok

Select option in first Field (scrolling thumb stick up & down)

Click on thumb stick Ok

Alpha numeric keyboard will appear

Enter Punch Plate Number in text box through Thumb stick ( ex- ODG0211822)

Scroll down with Thumb stick

Click Done

Again click Done

Finding saved Treadle Pump Location ( Waypoint)

Open Main menu page

Go to Waypoint Manager

Select the Waypoint (PP number) that you have saved earlier

Click enter from Thumb Stick

Click on Map through Thumb Stick

1. Double click on Menu button

2. Select Setup in main menu page

3. Click on Setup

4. Move to Tracks

5. In Track select –Record, Show on map ,Auto ,More often

6. Double Click on Back button

7. Go to Track Manager in Main menu page

8. Select Current Track

9. Click on Current Track

10. Click on Clear Current Track

11. Yes

12. Go to Area Calculation by double clicking menu button

13. Click Start

14. Walk around the perimeter of the plot/area you want to

calculate

15. When you stop Click Calculate

16. Save Track & Change unit to Acre.

Area calculation of a plot

1. Double Click on Menu button

2. Go to Track Manager in Main menu page

3. Select Current Track

4. Click on Current Track

5. Click on Clear Current Track

6. Yes

7. Go to Area Calculation from by double clicking menu button

8. Click Start

9. Walk around the perimeter of the plot/area you want to calculate

10. When you stop Click Calculate

11. Save Track & Change unit to Acre.

Area calculation of more than one plots

Always follow steps 1 to 6 for clearing any current track from the map, and then start

with a new Area Calculation (steps 7 to 11).

Thank You….

Queries