Turn The Radio On; Set The Battery Type, If Necessary; Low Battery Warning - GRE PSR-500 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

Set the battery type, if necessary

By default, your new scanner is configured to use standard
alkaline batteries. Specifying the proper type of battery is
necessary for proper operation of the low battery detection
feature, and also enables the charge circuit if you are using
rechargeable batteries.
If you are not using alkaline batteries, you should change the
battery type by following these steps:
1. Press the
2. Press the
immediately above it in the LCD display.
3. Press the  nine times, or until the middle line of the display
reads Battery:Alkaline.
4. Press the  or  to select the type of batteries that are
installed in the radio. Use Alkaline for standard alkaline
batteries, NiCad for nickel-cadmium rechargeable batteries,
and NiMH for nickel-metal hydride rechargeable batteries.
5. Press the
settings to the radioʼs configuration memory.

Low Battery Warning

Your scanner will provide two warnings when the batteries are
low. The first warning will typically occur approximately 15 to 30
minutes prior to the point where the batteries are completely
PSR-500 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
key.
F3
key, which should show the label GLOB
F1
key (the SAVE softkey) to save your battery
PGM to exit TUNE mode.
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