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Rev. 1.0
Page 20
8. Position the cursor to the
Scope
Label by pressing
[TAB] [1] [ENTER]
on the COM-120B’s keypad.
9. Press the
F1
key labeled “
ZOOM
” to
expand the scope to a full sized
scope.
10. With the Transmitter keyed, press
the function keys that are labeled
“
PK
HOLD
” and “
MIN HOLD
”. The scope
display will now keep the maximum
and minimum deviation extremes on
the scope for evaluation of peak
deviation.
11. Press
the
“
PK HOLD
” and
“MIN
HOLD
” keys again to turn off the peak
hold feature.
The Modulation meter
has been configured
for a CMSG filter for
this test.
Summary of Contents for COM-120B
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