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INSTALLATION
Compass Calibration Set-up (1760, 1765 only)
The unit will need to be calibrated in order for the com-
pass to provide accurate readings. To calibrate the unit,
perform the following procedure:
1. Mount the unit level in the center of the vehicle’s wind-
shield in which it will be used. Make sure there are no
other magnetic sources near the detector (i.e., speaker).
2. Select a large clear area (parking lot or field) without any
power lines.
3. While parked, press both volume buttons simultaneous-
ly until unit displays:
4. Drive vehicle slowly in at least two complete circles. If
calibration does not automatically finish press both volume
buttons simultaneously to complete calibration. The unit
will beep twice and display, for example:
Note: If unit mounting is relocated in the vehicle, (i.e.,
visor to windshield mounting or dash mounting), or if the
unit is moved to another vehicle, you must recalibrate the
compass.
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INSTALLATION
Visor Mounting (optional accessory )
• Slide the visor bracket into the bracket mounting slot.
• Clip the visor bracket onto the visor making sure it is
relatively level and has a clear view of the ro a d .
Power Connection
• Plug the small end of the power cord into the unit’s power
j a c k .
• Plug the large end into the vehicle’s cigarette lighter.
Fuse Replacement
The lighter socket plug is equipped with a replaceable 2
amp 3AG fuse located behind the silver tip. To replace the
fuse, carefully unscrew the tip of the plug. (I M P O R TA N T:
U n s c r ew slowly. The tip contains a spring which may fly out
when disassembling.) Insert the new fuse with the spring and
s c r ew on the tip. With use, screw cap on plug may loosen.
Retighten occasionally.
U n s c rew the tip of the lighter socket plug carefully when replacing the 2 amp
f u s e .
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Insert into bracket mounting slot. Do not bend this
section of bracket.
Slide on view
1750/1760/1765 manual 3/6/02 2:20 PM Page 11