Radio Shack PRO-28 Scanner User Manual


 
36
TROUBLESHOOTING
If you have problems, here are some suggestions that might help. If
none of these suggestions help, take your scanner to your local Radio
Shack store for assistance.
PROBLEM POSSIBLE CAUSE REMEDY
Keys do not work or
display changes at
random.
Undetermined error. Reset the scanner (see
“Resetting the Scanner”).
Scanner is on but
will not scan.
The
SQUELCH
control is
not correctly adjusted.
Adjust
SQUELCH
clockwise.
Scanner is totally
inoperative.
No power. Check the batteries, or
make sure the scanner
is plugged into a working
AC or DC outlet.
Recharge the recharge-
able batteries or replace
the non-rechargeable
batteries.
The optional AC or DC
power adapter is not
connected.
Be sure the adapter is fully
inserted into the DC 12V
jack.
The scanner’s dis-
play dims or the
scanner sounds a
tone every 15-30
seconds.
Batteries are not cor-
rectly installed.
Make sure the batteries’ +
and – terminals are proper-
ly aligned.
Batteries need to be
replaced.
Insert new batteries or re-
charge rechargeable bat-
teries.
Poor or no recep-
tion.
Environment is not suit-
able for reception by the
scanner. Batteries are
weak or dead.
Relocate the scanner and
try again.
Improperly connected
antenna.
Be sure the antenna is
properly connected.
20-508.fm Page 36 Wednesday, August 4, 1999 1:50 PM