Troubleshooting - Radio Shack PRO-90 Owner's Manual

20-520.fm Page 58 Wednesday, August 4, 1999 3:06 PM

TROUBLESHOOTING

If you have problems, here are some suggestions that
might help. If they do not, take your scanner to your
local RadioShack store for assistance.
POSSIBLE
PROBLEM
CAUSE
Scanner is on
SQUELCH
but will not scan. correctly
adjusted.
Only one chan-
nel or no chan-
nels are stored.
Scanner is totally No power.
inoperative.
The AC adapter/
charger or DC
adapter is not
connected.
The scanner's The battery pack
display dims or is not correctly
the scanner installed.
sounds a tone
The battery pack
–
every 15 30
is weak.
seconds.
Keypad does not The keylock
work. function is acti-
vated.
appears. The battery pack
is weak.
Poor or no Battery pack is
reception. weak or com-
pletely dis-
charged.
58
REMEDY
is not Adjust
SQUELCH
counterclockwise.
Store frequencies
into more than one
channel.
Check the battery
pack or make sure
the scanner is
plugged into a work-
ing AC or DC outlet.
Recharge the bat-
tery pack.
Be sure the
adapter's barrel
plug is fully plugged
into the
EXT. PWR
jack.
Make sure the bat-
tery pack is installed
properly.
Recharge the bat-
tery pack.
To turn off the key-
lock, press
LOCK/
until dis-
appears from the
display.
Recharge the bat-
tery pack.
Check the battery
pack, make sure the
scanner is plugged
into a working AC or
DC outlet.