TM 11-5820-890-10-3
TROUBLESHOOTING PROCEDURES Continued
RADIO
Sig display during transmit
ITEM
PROCEDURE
manpack,
a
Set FCTN to SQ ON.
vehicular
radio
b
Set MODE to SC.
c
Press handset push-to-talk and watch SIG marker
as you set RF switch to LO, M, HI, and PA.
If SIG marker is not as shown, get unit maintenance to
check out your radio.
If SIG marker flutters back and forth replace battery.
RADIO
Sidetone
ITEM
PROCEDURE
manpack,
a
Set RF to HI.
vehicular
radio
b
Turn VOL full right (clockwise).
c
Press handset push-to-talk and talk; then listen for
sidetone.
If you don't hear sidetone, make sure antenna connector
is secure; then troubleshoot the handset.
If there is sidetone, go to communication troubleshooting.
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