TM 11-5820-890-30-4
12-23. OPERATIONAL CHECK. Continued
Step 7. TRANSMIT VOICE TEST. Continued
Action
Response
d. Set test adapter:
d. if alarm tone is heard in handset, set
PIT: OFF.
test adapter:
Set RCU:
PTT: REF twice.
CHAN: MAN.
Disconnect W8 cable from REF RT
AUD/FILL connector and connect to REF
RT AUD/DATA connector.
e. Set test adapter:
e. Clear and intelligible voice is heard in
PTT: UUT.
handset. if not, go to chart 27.
Press handset PTT switch, talk, and listen.
f. Set test adapter:
f. Sidetone is heard in handset. if not, go to
RESPONSE: 1.
chart 28.
Press handset PTT switch, talk, and listen.
g. Set test adapter:
g. RCU display reads:
RESPONSE: 3
PTT: OFF.
Press REF RT: CMSC/1 and CHG/7 keys.
Press RCU: CMSC/1 and CHG/7 keys.
if not, the control module (19A2) is bad.
h. Set test adapter:
h. Clear and intelligible voice is heard in
PTT: UUT.
handset. if not, go to chart 29.
Press handset PTT switch, talk, and listen.
i. Set test adapter:
i. Clear and intelligible voice is heard in
PIT: OFF.
handset. if not, go to chart 29.
Scroll REF RT:
COMSEC variable to TEK 2.
Scroll RCU:
COMSEC variable to TEK 2.
Set test adapter:
PTT: UUT.
Press handset PTT switch, talk, and listen.
12-35
