Section VIII. MAINTENANCE OF HEADSET, MICROPHONE, AND AUDIO CORDS

TM 32-5892-206-10

3-20 CALIBRATE. Select the signal of a transmitter which is

operating in the area on an authorized known frequency. If

possible, select a frequency close to the usual receiver

frequency. Verify proper operation of the receiver CAL ADJ

control and CAL function (para. 2-7b).

3-21 TEST. Test the radio receiver with the rest of the receiving

set as described in section XI of this chapter.

Section VIII. MAINTENANCE OF HEADSET, MICROPHONE,

AND AUDIO CORDS

3-22 INSPECT.

Inspect the headset, microphone, and

telephone plug cord for broken or damaged parts or wires. Pay

particular attention to wire strain points.

3-23 SERVICE.

WARNING

The fumes of trichloroethane are toxic.

Provide complete ventilation whenever used.

DO NOT USE NEAR AN OPEN FLAME.

3-39