Rev. 1.0
Page 19
START
STOP
Test Voice Deviation
Setup:
1. This COM-120B has been pre-configured for common transmitter test
setups.
2. Press the
key to access the COM-120B System Setup
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.
Deviation can also
be measured as
Peak+ and Peak-.
Power is displayed
in Watts and dBm.
A compensation
factor can be
entered to correct
the power meter
reading to account
for cable loss.
The frequency is
displayed as both
the frequency in
MHz as well as the
frequency error from
the selected channel
frequency.
Summary of Contents for COM-120B
Page 1: ...Rev 1 0 Page 1...
Page 2: ...Rev 1 0 Page 2...
