Dual Pilot Tone Detector
B031
Configuration and Operation
2007 dB Broadcast Ltd
9
Version 0.8
Sample Problems and their Solutions
The unit does not appear to operate correctly
Check that the green ‘V’ LED is illuminated and that the module is seated correctly in the
frame.
Check that the appropriate rear connector has been cabled correctly.
The fail LED keeps blinking on and off for good signals
Check the six-way threshold DIL switch threshold setting. (S1 for CHA, S2 for CHB). If
necessary try backing the sensitivity off a little using the fine threshold control accessible
through the front panel (RV1 for CHA; RV4 for CHB).
Check the pilot tone frequency links (JP 2 -5 for CHA, JP 8 – 11 for CHB).
Check that the incoming signal is correctly terminated.
The delayed status indicates bad signal too often
Check the onset (Good to Fail) delay is not to low
Check the reset (Fail to Good) delay is not to low
The delayed status does not indicate bad signal sometimes
Check the onset (Good to Fail) delay is not to high
The delayed status takes too long to recover from indicating a bad signal
Check the reset (Fail to Good) delay is not to high
