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Section 12—Troubleshooting
No target readings in
Verify that the unit is NOT in the
moving mode
HOLD mode.
Verify the range control is set
properly.
Verify the desired antenna is
selected.
Verify the proper patrol speed is
being displayed.
Verify moving mode is selected.
Target speed may be harmonic
(same as) patrol speed. Change
patrol speed 2 or 3 mph.
Unsquelch the audio and verify
that a Doppler tone is heard when
targets are present. If no Doppler
tone is heard, change antennas or
remove unit from service.
Perform a tuning fork test with
selected antenna.
Remove unit from service if
above tests fail.
12.6
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