Using Power Save; Using The Display Backlight; Turning The Key Tone On And Off - Radio Shack PRO-89 Owner's Manual

USING POWER SAVE

If the scanner does not detect a signal within 5 seconds after
you manually select a channel, the scanner enters the power-
saving standby mode and
mode, the scanner rests for 1 second then checks for a signal
1
for second, using only 40 percent of the power normally con-
/
2
sumed. The scanner continues this until you press any button
or it receives a signal.
on P.-SA appears if power save is on.
if power save is off.
Follow these steps to turn power save mode on or off.
1. If the scanner is on, turn
clicks to turn it off.
2. While you hold down
3. Release and
3 ENT

USING THE DISPLAY BACKLIGHT

You can turn on the display's backlight for easy viewing in the
dark. Press to turn on the light for 5 seconds. To turn off
LIGHT
the light sooner, press
Press both and
PGM LIGHT
an extended period of time. To turn it off, press both
, or press
LIGHT LIGHT

TURNING THE KEY TONE ON AND OFF

The scanner is preset to sound a tone each time you press one
of its keys (except
LIGHT
back on.
1. If the scanner is on, turn
clicks to turn it off.
2. While you hold down
3. When oFF tonE
46
P.–SA appears. In the standby
oFF P.-SA
counterclockwise until it
VOLUME
and , turn on the scanner.
3 ENT
.
again.
LIGHT
to turn on the display's backlight for
.
). You can turn the key tone off or
counterclockwise until it
VOLUME
and , turn on the scanner.
2 ENT
or on tonE appear, release
appears
and
PGM
and .
2 ENT