Tait TB8100 Service Manual page 88

Task 4 —
Deviation
Diagnostics Test
88 Reciter Fault Finding
Important
You must use version 03.04 or later of the Service Kit to
carry out this test.
1. Put the reciter in Standby Mode and select Diagnose > Power Ampli-
fier > Transmission Tests. In the Manual transmission area, set up
the test as follows:
Set the transmission frequency as required.
Set the modulation to Modulation on.
Set the deviation to 5kHz, the modulation level to 60%, and the
modulation frequency to 1000Hz.
2. Click Start Transmission and check that the deviation is 3kHz. If
the deviation is correct, repeat your previous task as follows:
If your previous task was
If your previous task was
procedures using the Calibration Kit, and then repeat
the deviation is still incorrect, return the complete reciter to your
nearest CSO for repair or replacement.
Note
Before repeating your previous task, check that the reciter's con-
figuration is correct; for example, for
through repeater gain is 0dB.
If the deviation is incorrect, recalibrate the exciter using the Calibra-
tion Kit and then repeat your previous task. If the deviation is still
incorrect, return the complete reciter to your nearest CSO for repair
or replacement.
Task 2, repeat Task 2.
Task 3, carry out the audio calibration
Task 2 check that the talk
© Tait Electronics Limited September 2006
Task 3. If
TB8100 Service Manual