Section 12—Troubleshooting
12.2
No target speeds
during tuning fork
test
Test switch must be depressed before
tuning fork test can be run.
Verify that RANGE control is set to
level six (6).
Verify the desired antenna is selected.
Verify the unit is NOT in the HOLD
mode.
Verify the unit is in the TEST state
(STPW/TEST LED flashing).
Verify (moving mode) that patrol speed
is showing the correct tuning fork speed.
Unsquelch audio. Listen for Doppler
tone.
Lightly strike the tuning fork and retest.
Remove unit from service if above tests
fail.
No patrol speed
during tuning fork
test
Test switch must be depressed before
tuning fork test can be run.
Verify that the unit is NOT in the HOLD
mode.
Verify the desired antenna is selected.
Verify the unit is in the TEST state
(STPW/TEST LED flashing).
Verify the proper tuning forks are being
used.
Lightly strike the tuning fork and retest.
Remove unit from service if above tests
fail.
