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±
8
Adjust RV401 for
750 Hz
deviation.
9
C h a n g e the transmit DCS code +023 to the transmit test by testing frequency
using the programmer.
10 Adjust RV401 so that modulation waveform from modulation analyzer matches
the correct waveform shown in Figure 2-1 .
11 Change 250.3 Hz CTCSS tone to the transmit test by testing frequency using the
programmer. Carefully adjust RV401 for
±
±
375 Hz
10 Hz (narrow) deviation.
C O R R E C T
•
D T M F
12 Clear the CTCSS tone, then initiate transmit test by testing frequency using the
p r o g r a m m e r .
±
13 Adjust DTMF deviation to
(narrow) deviation using the programmer.
±
±
±
100 Hz (wide) or
375 Hz
±
±
750 Hz
10 Hz (w ide) or
I N C O R R E C T
F i g u r e 2-1 Modulation Waveforms
±
±
2.0KHz
10 Hz (wide) or
1KHz
100 Hz (narrow)
I N C O R R E C T
±
1 0 H z
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