Using the keylock changing the display contrast – Radio Shack PRO-96 User Manual
Page 74
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74
for Ignore operation for the
selected duration.
4. Press
ENTER
to store your
selection.
U
SING
THE
K
EYLOCK
Once you program your scanner,
you can protect it from accidental
program changes by turning on
the key lock feature. When the
keypad is locked, the only controls
that operate are
FUNC
,
å
/
7
SQUELCH
, and
VOLUME
.
You cannot activate the key lock
while you are entering a frequency
into a channel.
1. To turn on the key lock, press
FUNC
and then
å
/
7
Key locked
appears for about 1
second.
Key locked.
appears
when you press any key after
locking the keypad, and the
scanner sounds the low
pitched Invalid tone.
2. To turn off the key lock, press
FUNC
and then
å
/
7
. The
scanner beeps three times
and
Key unlocked
appears in
the scanner’s display.
C
HANGING
THE
D
ISPLAY
C
ONTRAST
1. Press
MANUAL
.
2. Press
FUNC
and then
9
.
Use
Up/Down keys to set contrast.
appears in the scanner’s
display.
3. Press
S
or
T
to adjust the
contrast.