Troubleshooting - Radio Shack PRO-651 Manual

Troubleshooting

Problem
Scanner won't Scanner is not re-
power on. ceiving power.
The AC adapter or
DC adapter is not
connected.
Batteries are low.
is flashing.
Poor or no Batteries are weak
reception. or discharged
completely.
Weak signals from
distant stations.
Attenuator in use
on weak signals.
Strong signal over-
load from nearby
transmitter.
Loose or defective
antenna.
Incorrect
modulation mode
selected.
Additional Information
Cause
Recharge the re-
chargeable batter-
ies or replace the
non-rechargeable
batteries.
Be sure the adapter's
barrel plug is fully
plugged into the DC
9V jack.
Recharge the re-
chargeable batteries
or replace the alka-
line batteries.
Check the batteries
or make sure the
AC adapter or DC
adapter is connected
properly.
Reposition radio for
best reception.
Check performance
with and without
attenuator activated,
use setting with best
reception.
Check performance
with and without
attenuator activated,
use setting with best
reception.
Inspect antenna
and connectors
and correct any
problems found.
Ensure that proper
modulation mode
is selected for the
type of system
being monitored.
95
Solution