Radio Shack PRO-90 ユーザーズマニュアル
58
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.
might help. If they do not, take your scanner to your
local RadioShack store for assistance.
PROBLEM
POSSIBLE
CAUSE
REMEDY
Scanner is on
but will not scan.
but will not scan.
SQUELCH
is not
correctly
adjusted.
adjusted.
Adjust
SQUELCH
counterclockwise.
Only one chan-
nel or no chan-
nels are stored.
nel or no chan-
nels are stored.
Store frequencies
into more than one
channel.
into more than one
channel.
Scanner is totally
inoperative.
inoperative.
No power.
Check the battery
pack or make sure
the scanner is
plugged into a work-
ing AC or DC outlet.
pack or make sure
the scanner is
plugged into a work-
ing AC or DC outlet.
Recharge the bat-
tery pack.
tery pack.
The AC adapter/
charger or DC
adapter is not
connected.
charger or DC
adapter is not
connected.
Be sure the
adapter’s barrel
plug is fully plugged
into the
adapter’s barrel
plug is fully plugged
into the
EXT. PWR
jack.
The scanner’s
display dims or
the scanner
sounds a tone
every 15
display dims or
the scanner
sounds a tone
every 15
–
30
seconds.
The battery pack
is not correctly
installed.
is not correctly
installed.
Make sure the bat-
tery pack is installed
properly.
tery pack is installed
properly.
The battery pack
is weak.
is weak.
Recharge the bat-
tery pack.
tery pack.
Keypad does not
work.
work.
The keylock
function is acti-
vated.
function is acti-
vated.
To turn off the key-
lock, press
lock, press
LOCK/
until
dis-
appears from the
display.
display.
appears.
The battery pack
is weak.
is weak.
Recharge the bat-
tery pack.
tery pack.
Poor or no
reception.
reception.
Battery pack is
weak or com-
pletely dis-
charged.
weak or com-
pletely dis-
charged.
Check the battery
pack, make sure the
scanner is plugged
into a working AC or
DC outlet.
pack, make sure the
scanner is plugged
into a working AC or
DC outlet.
20-520.fm Page 58 Wednesday, August 4, 1999 3:06 PM