Turn The Radio On - GRE PSR-600 Owner's Manual

Turn the radio on

Rotate the top knob of the VOLUME/SQUELCH control
clockwise to turn the radio on. Set both the VOLUME and
SQUELCH knobs at their mid-point (12 oʼclock) position.
NOTE: While 12 oʼclock is a good squelch setting to start with, it may cause
optimize the squelch setting to be close to the best threshold, press
squelch is now set to the optimum point. Please note the position of
the squelch control for future reference. Once the squelch setting is
complete, you may press
PSR-600 User Manual Page
your radio to miss some calls with weak signals. You will probably
want to optimize the squelch setting to set it close to threshold. To
TUNE, then rotate the squelch control counterclockwise until a
rushing sound is heard from the speaker. Rotate the squelch control
clockwise just past the point where the rushing sound stops. The
PGM to exit TUNE mode.
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