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- Press the MODE button (11); the channel number flashes.
- To change the channel, press the Up Button (9) briefly to move to
the next higher main channel number.
- Press the Down Button (13) briefly to move to the next lower main
channel number.
- Press the PTT button to confirm your selection.
Electronic Compass Operation
While the unit is powered on, the electronic compass is always
operational. Whenever outside magnetic interference is compromising
accuracy, the direction arrow remains stationary. This may occur if
there is a significant change in the surrounding magnetic fields caused
by driving underneath an overpass or across a bridge. A blinking
compass icon indicates compass calibration is required. The compass
must be calibrated whenever the following conditions prevail:
1. When the compass is used for the first time.
2. When the compass is used in a different location other than where
previously calibrated.
3. When magnetic distortion occurs.
4. When the batteries are replaced.
5. When the batteries are low.
Electronic Compass Calibration
To calibrate the compass, proceed as follows:
- With the unit powered off, press the EMG button. Simultaneously,
while holding the EMG button, press and hold the Power On/Off
button for approximately 3 seconds; CAL will appear on the
display.
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