Prestigio GEOVISION 4700: Troubleshooting

EN-21

EN

Troubleshooting

NOTE:

Immediately turn off the device and disconnect the power adapter if the

device is not working properly. Never try to repair the unit without

authorized professionals for it may damage the unit.

PROBLEM

POSSIBLE CAUSE

POSSIBLE SOLUTION

The adaptor doesn’t

Connect the adaptor

Users can’t turn

connect well.

correctly.

on the unit.

Use the adaptor to supply

The built-in rechargeable

power or charge the

battery is weak.

battery.

There is no

The volume may be turned

Turn up the volume or turn

sound.

down or mute.

on the sound output.

There is no

The brightness may be

Adjust the brightness of the

picture.

turned down.

LCD.

The unit can’t

Make sure to use the unit

receive satellite

out of room; if in the

The unit may be obstructed

vehicle, you can use the

signals or can’t

by buildings or metal block.

external GPS antenna to

orient.

solve this problem.