Using The Display Backlight; Turning The Key Tone On And Off; Using The Key Lock - Radio Shack PRO-79 Owner's Manual

Note: If you program a weather frequency into the priority chan-
nel and the scanner detects a WX alert tone on that frequency
(see "WX Alert" on Page 35), the scanner sounds the alert tone
and flashes. Press any key to turn off the alarm.
ALErt

USING THE DISPLAY BACKLIGHT

You can turn on the display's backlight for easy viewing in the
dark. Press
LIGHT
the light sooner, press

TURNING THE KEY TONE ON AND OFF

The scanner is preset to sound a tone each time you press one
of its keys (except
on.
1. If the scanner is on, turn
clicks to turn the scanner off.
2. While you hold down
3. When
oFF tonE

USING THE KEY LOCK

Once you program your scanner, you can protect it from acci-
dental program changes by turning on the keylock feature.
When the keypad is locked, the only controls that operate are
,
SCAN MANUAL
Note: The keylock does not prevent the scanner from scanning
channels or monitoring a single channel, whichever feature you
last selected.
to turn on the light for 5 seconds. To turn off
again.
LIGHT
). You can turn the key tone off or back
LIGHT
VOLUME
and
2
or
on tonE
, ,
LIGHT VOLUME
counterclockwise until it
, turn on the scanner.
ENT
appear, release
, and
SQUELCH
and .
2 ENT
.
39