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GETTING STARTED
TO CALIBRATE THE COMPASS
In order for the TEK SERIES Handheld Device to accurately display your location, you must first calibrate the electronic
compass. You should always calibrate the compass after you arrive at a new starting location, after periods of storage
or after you install new batteries.
Note: Always calibrate the compass outdoors. Hold the compass level and away from objects that may generate magnetic
fields, such as cars, buildings, or overhead power lines.
1. From the main menu, select
COMPASS > CALIBRATE
. The COMPASS screen appears.
2. Rotate the Handheld Device 2-3 times in all three dimensions as shown below. Rotate until the black indicators are
as close as possible to the centre of the green zone. If successful, your Handheld Device will beep and vibrate as
well as display a message that says “CALIBRATION DATA HAS BEEN UPDATED SUCCESSFULLY”.
Note: If you are unable to get the compass to automatically update your calibration data, follow the remaining steps.
3. Rotate until the black indicators are as close as possible to the green zone and press the Menu Selection Pad
to continue.
4. At the prompt “DO YOU WANT TO SAVE THE NEW CALIBRATION DATA?” press the arrow keys to select
YES
.
5. Press
BACK
to return to the main menu.
TO SET THE MAGNETIC DECLINATION ANGLE:
Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and
true north. The declination is positive when the magnetic north is east of true north and negative when the magnetic
north is west of true north.
To find your exact declination angle, you can use a web resource like www.ngdc.noaa.gov/geomagmodels/Declination.jsp.
This is a United States government website available in English. Enter the web address into a web translator tool to
view the website in your language.
Note: Incorrect magnetic declination will result in inaccurate compass readings.
1. From the main menu, select
SETTINGS > GENERAL > MAG DEC ANGLE
.
2. Press the up or down arrows on the Menu Selection Pad to select the amount of declination. Magnetic declination
ranges from -70 to 70. The default is 0.
3. Press the right arrow when finished.
4. Press
BACK
to return to the main menu.
10º
0º
0º
-10º
-10º
10º
0º
-2º
-4º
-6º
2º
4º