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TM 11-5820-890-20-2
4-17
4.2.
TROUBLESHOOTING FLOWCHARTS. Continued
NOTE:
The RCU will display an ERROR
message if the COMSEC switch is not
placed in PT for the intercom function.
CHART 4
NO INTERCOM TALK FUNCTION FROM RCU TO RT.
(Sheet 1 of 2)
1. REPLACE RT.
2. SET THE RT AS FOLLOWS:
FCTN: REM
3. RCU IS SET AS FOLLOWS:
FCTN: ICM
COMSEC: PT
4. PRESS RCU HS PTT AND TALK WHILE
LISTENING AT THE RT.
NO
YES
PSA
PRESENT
?
REPLACE RCU.
NO
YES
DISMOUNTED
RCU
?
REPLACE RCU.
1
SH 2
NO
YES
VOICE HEARD
AT RT
?
REPLACED RT IS BAD.
START
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