Troubleshooting - Radio Shack 20-135 Quick Start Manual

Additional Information

Troubleshooting

Problem
Scanner is on but
will not scan.
Scanner won't
work at all.
Keypad doesn't
work.
is flash-
ing.
Poor or no
reception.
Error appears.
Cause
SQUELCH is not
adjusted correctly.
Only one channel
or no channels are
stored.
Scanner is not re-
ceiving power.
The AC adapter or
DC adapter is not
connected.
The keylock func-
tion is activated.
Batteries are low.
Batteries are weak
or completely dis-
charged.
Antenna loose.
Programming
error.
36
Solution
Adjust SQUELCH.
Store frequencies into
more than one chan-
nel.
Recharge the re-
chargeable batteries
or replace the non-re-
chargeable batteries.
Be sure the adapter's
barrel plug is fully
plugged into the DC
9V 300 mA jack.
Press and hold
/KEYLOCK until
disappears.
Recharge the re-
chargeable batteries
or replace the alkaline
batteries.
Check the batteries
or make sure the AC
adapter or DC adapter
is connected properly.
Make sure an antenna
is connected to the
scanner.
Re-enter the frequency
correctly, including the
decimal point.