Using The Keylock; Using The Display Backlight; Changing Search Speeds - Radio Shack PRO-90 Owner's Manual

20-520.fm Page 30 Wednesday, August 4, 1999 3:06 PM

USING THE KEYLOCK

Once you program your scanner, you can protect it from
accidental program changes by turning on the keylock
feature. When locked, the only controls that operate are
, ,
SCAN MANUAL LOCK/
Note: The keylock does not prevent the scanner from
scanning channels.
To turn on the keylock, hold down
appears. To turn it off, hold down
disappears.

USING THE DISPLAY BACKLIGHT

You can turn on the display backlight for easy viewing at
night. Press to turn on the display backlight
LOCK/
for 15 seconds. To turn off the backlight before 15 sec-
onds elapse, press the button again.

CHANGING SEARCH SPEEDS

The PRO-90 has two search speeds for a limit search.
Normal Search
100 steps/second
30
, , and
VOLUME/OFF SQUELCH
until
LOCK/
until
LOCK/
HyperSearch
300 steps/second
.