CONTROL UNIT DIAL MASK REPLACEMENT.

TM 11-5820-670-12

3-17.

CONTROL UNIT DIAL MASK REPLACEMENT.

MATERIALS/PARTS: Mask, dial PN SMC620195

PRELIMINARY PROCEDURE: Remove frequency selector knobs.

REMOVAL

Remove six screws (1) and remove dial mask (2).

NOTE

Some older control units may contain a masking plate (3) which covers the SQUELCH

mode selector switch TONE display. If this is the case, it could be possible that the radio

set is not capable of tone squelch operations. Remove masking plate (3) and update

receiver-transmitter as required.

INSTALLATION

Position dial mask (2) on control unit and install six screws (1).

FOLLOW-ON MAINTENANCE: Install frequency selector knobs.

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