6-46
SECTION 6
OPTIONS
6-13 AMPS CELLULAR TESTING (OPTION 15)
The AMPS Cell Site Simulator is Option 15 of the COM-120C and is used to test AMPS
Mobile Telephone Equipment. This option is accessed by pressing SPCL Test Mode Key
and selecting “2. Cellular.”
6-13-1 AMPS CELL SITE SIMULATOR SETUP
The COM-120C is set up for AMPS Mobile Phone testing by the following procedure:
o
Press SPCL Mode Key. Select “2. Cellular” from the Options Menu.
o
Rotate SQUELCH Control ccw until squelch is set to minimum.
o
Rotate VOLUME Control fully ccw and then cw, until static becomes audible.
o
Rotate SQUELCH Control cw, slowly, until static is no longer audible.
O
T
e
n
If “data parity error” message is displayed during test operation,
squelch setting may be too low.
o Squelch levels higher than necessary can prevent AMPS testing from functioning.
o Turn Mobile Phone power on.
o To perform Audio Test, connect demodulated audio output connector of Mobile
Phone to AUDIO/DATA IN Connector.
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