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STEP
19.
20.
21.
22.
5-6 0
08
~~~
Press~~~.
PROCEDURE
The following appears on the VFD
III[INI TI[IPI I : . 1 121 IJI I I I I I l l
Press~~~
to select the Mobile Unit Simulation Mode.
At this time.
the FM/AM-1200S is monitoring the incoming digital data from the
repeater UUT and looking for a valid data word containing its ID
code.
The following message displays:
When the correct data word is found. the following displays on
the VFD:
I11Hi o l r 11[1 IIIlliL I[ I I I I I I I I l l
Press:~~~
to simulate a Push-to-Talk.
The FM/AM-1200S continuously transmits this PTT message to the re-
peater UUT.
Simultaneously, the FM/AM-1200S will monitor the
UUT's output looking for a valid return message containing the
simulated mobile unit's ID Code.
When this message is received,
the following will display on the VFD:
I11Hkl :
1
1 l , l 7 l c _ IL l c _ IIIvlc_ llll I I I I l l
Press:
~~~.
The FM/AM-1200S transmits a PTT release data word to
the UUT.
In return, the incoming data from the UUT is monitored
by the FM/AM-1200S, looking for the handshake message.
When the
message is found. the following is displayed on the VFD:
This indicates the repeater recognized the mobile unit's (the
FM/AM-1200S's) PTT released message.
jNOTE\
If any of the above steps fail to occur. the test has
failed.
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