ADJUSTMENT OF RECEIVER-TRANSMlTTER SQUELCH

TM 11-5820-670-12

3-4. INSTALLATION INSTRUCTIONS. (CONT)

Squelch adjustment control (SQ ADJ) is located on receiver-transmitter front panel. After installing

any components of radio set, adjust squelch as follows:

1. Disconnect coaxial cable at communication antenna or where easily accessible. (Refer to

applicable aircraft manuals for location and access.)

2. Turn on communications equipment in accordance with starting procedures (para 2-4).

3. Set mode control switch (1) on control unit (2) to T/R.

4. Set SQUELCH mode selector switch (3) to CARR.

NOTE

The receiver-transmitter squelch adjustment must begin with squelch adjustment con-

trol (SQ ADJ) turned fully counterclockwise.

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