Turning the key tone on and off, Using the keylock – Radio Shack PRO-72 User Manual
Page 38
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TURNING THE KEY TONE ON AND
OFF
Each time you press any of the scanner’s keys (except
and
LIGHT
), the scanner sounds a tone.
Follow these steps to turn the scanner’s key tone off or
back on.
1. If the scanner is on, turn
VOLUME
counterclockwise
until it clicks to turn it off.
2. While you hold down the
2
and
E
keys, turn on the
scanner.
3. After 1 second, release
2
and
E
.
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
LIGHT
,
VOLUME
, and
SQUELCH
(and the
scanner continues to scan channels).
To turn on the keylock, hold down
for about 3 sec-
onds until
appears. The scanner beeps three times (if
the key tone is turned on). To turn it off, hold down
for
about 3 seconds until
disappears.
20-566.fm Page 38 Thursday, August 5, 1999 8:04 AM