Radio Shack PRO-92 - Manual (Page 47)

47 Special Features
USING THE DISPLAY BACKLIGHT
You can turn on the display’s backlight for easy viewing
in dimly lit areas. Press
LIT to turn on the display light for
5 seconds. To turn off the light before it automatically
turns off, press
LIT again.
TURNING THE KEY TONE ON AND OFF
Each time you press any of the scanner’s keys, the
scanner sounds a tone. Follow these steps to turn the
scanner’s key tone off or on.
1. If the scanner is on, turn VOLUME OFF/MAX counter-
clockwise until it clicks to turn the scanner off.
2. Turn VOLUME OFF/MAX clockwise to turn the scan-
ner on. Welcome To Multi-System Trunk-
ing appears.
3. While Welcome To Multi-System Trunk-
ing appears, press 1 to turn on the key tone or 2 to
turn it off.
USING THE KEYLOCK
Once you program your scanner, you can protect it from
accidental program changes by turning on the keylock
feature. When the keypad is locked, the only controls
that operate are
FUNC , /LIT , SQUELCH , and VOL-
UME .
Note: You cannot activate the keylock when in the mid-
dle of programming.
To turn on the keylock, press FUNC then / LIT . Key-
board Locked appears for about 1 second. Key-
board Locked appears when you press any key after
locking the keypad.
To turn off the keylock, press FUNC then / LIT . The
scanner beeps once and Keyboard Unlocked ap-
pears about 1 second.
CHANGING THE DISPLAY CONTRAST
1. Press MANUAL .
20-522b.fm Page 47 Thursday, September 7, 2000 9:41 AM