TM 11-5820-890-30-4
12-23. OPERATIONAL CHECK. Continued
Step 13. SQ OFF TEST.
Action
Response
a. Set test adapter:
a. Rushing noise is heard in handset. If not,
PIT: OFF.
go to chart 43.
Set RCU:
FCTN: SQ OFF.
Step 14. HOLD BATT TEST.
Action
Response
a. Set RCU:
a. No response.
FCTN:
Set test adapter:
13V: OFF.
Wait 1 minute.
b. Set test adapter:
b. Handset is silent. If not, go to chart 44.
13V: ON.
Set RCU:
FCTN: SQ ON
COMSEC: CT.
Set test adapter:
PTT: UUT, OFF, UUT, and OFF.
Step 15. ZEROIZE COMSEC VARIABLE (1-5) TEST.
SET:
RCU:
RF PWR: LO
Action
Response
(NOTE: DO NOT leave COMSEC switch in
position for more than 4 seconds.)
a. Set RCU:
a. Constant alarm tone is heard in handset.
CHAN: 1
If not, go to chart 45.
COMSEC: and then CT.
Set test adapter:
PIT: UUT, OFF, UUT, and OFF.
12-42