TM 1-1680-359-10
2-7. OPERATING PROCEDURE (Cont)
NOTE
Proper receiver operation will be indicated by a slight hissing sound in the MAX position.
(9)
Set VOL control to MAX position.
NOTE
Presence of squealing, "motor-boating", or other abnormal sound (other than normal AM
static interference) is an indication of malfunction.
(10)
If abnormal static is heard, turn function switch to OFF position.
CAUTION
Do not operate MCW PUSH TO TALK switches. Damage to radio may result without the
antenna installed.
(11)
Check for evidence of obvious structural damage such as cracked case, perforated seals, or presence
of salt or oil accumulations.
2-41
