Five F720A, Руководство пользователя

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S I M P L E T R O U B L E S H O O T I N G
2 9
No power
- Check and make sure the connecting wires are connected correctly
- Check whether the fuse is blown. Replace with the proper value fuse if necessary.
No sound
- Check and make sure the speaker wires are connected correctly.
No picture
- Check whether the video wire is connected to the video device.
Unit hang-up
- Press the RESET button to reset the unit to its default stage.
No function when pressing the buttons or TFT screen
- Press the RESET button to reset the unit to its default stage.
Poor effect or unable to receive radio
- Check whether the radio antenna is inserted or properly connected.
- Antenna may not be the proper length. Make sure the antenna is fully extended.
- Antenna may be poorly grounded. Check and make sure the antenna is properly grounded.
Stereo cannot be received under radio mode
- Tune the radio frequency accurately.
- The broadcasting signal is too weak, set the mode to MONO.
Remote handset does not work
- Replace new battery of the remote handset.
- Point the remote handset directly at the remote sensor of the main unit.
- Clean the surface of the remote sensor.
Bluetooth not operated
- check the devices are linked up correctly.
Note . After the above efforts, if the unit still cannot be worked normally, consult your service dealer.
Never attempt to disassemble the unit by yourself. No service part inside the unit.