CONTROL UNIT DIAL MASK REPLACEMENT.
MATERIALS/PARTS: Mask, dial PN SMC620195
PRELIMINARY PROCEDURE: Remove frequency selector knobs.
Remove six screws (1) and remove dial mask (2).
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.
Position dial mask (2) on control unit and install six screws (1).
FOLLOW-ON MAINTENANCE: Install frequency selector knobs.