ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES. (CONT)
INTERMEDIATE PREVENTIVE MAINTENANCE CHECKS AND SERVICES (CONT)
Perform operational check (para 3-12) and check TEST METER
for proper operation and damage. If broken, forward to next
higher level of maintenance for replacement.
Tune radio set to the frequency of a local fm station. A channel-
changing tone should be heard in the headset while radio set is
tuning. When the tone stops, radio set is tuned. If radio set does
not tune, refer to troubleshooting procedures (para 3-9) item 5.
Establish two-way voice communications (para 2-4). if com-
munications cannot be established, refer to troubleshooting pro-
cedures (para 3-9) items 11 through 15.
Perform the following procedure only when two radio sets are
installed in the aircraft.
Operate two radio sets for retransmit operation (para 2-4). If
retransmission cannot be accomplished, refer to troubleshoot-
ing procedures (para 3-9) items 16 and 17.
Perform the following procedure only when aircraft is
equipped for homing operations.
Operate radio set for homing operation (para 2-4). If homing
cannot be accomplished, refer to troubleshooting procedures
(para 3-9) item 18.