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Setup:
1. This COM-120B has been pre-configured for common transmitter test
setups.
START
2. Press the
STOP
Utility software.
3. The menu to the right will appear.
4. Select STEP 2 by positioning the
cursor and pressing F1 Execute.
5. With the radio still configured to
channel 2, key the radio and whistle or
speak into the radio's microphone.
6. The voice deviation can be observed on the High Performance Scope
as well as the Deviation meter. Additionally, the RF Power and
Frequency can be evaluated.
7. Adjust the COM-120B's volume and
squelch control s to hear the audio
through the speaker when the
transmitter is keyed.
Rev. 1.0
Test Voice Deviation
key to access the COM-120B System Setup
The frequency is
displayed as both
the frequency in
MHz as well as the
frequency error from
the selected channel
frequency.
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Power is displayed
in Watts and dBm.
A compensation
factor can be
entered to correct
the power meter
reading to account
for cable loss.
Deviation can also
be measured as
Peak+ and Peak-.
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