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Disturbing noise:
A bad earth connection of the earthing cable. Remove any rust or paint from the contact surfaces.
The earthing point of the car radio and of the amplifier are not on the same potential, test different earthing points.
The cables of the amplifier are positioned too close to the cables for the ignition system of the vehicle.
The ignition system is not shielded.
The cables of the amplifier input are installed too close to the power supply cables.
The amplifier switches on and off during operation:
Bad earth contact of the earth connection cable, the mass point of the cable or of the battery terminal corroded.
Voltage applied at the B+ connection of the connection terminal for the power supply (14) too low, the mass point
of the cable or of the battery terminal corroded, battery too weak.
Intermittent contact at the remote cable, REMOTE connection of the connection terminal for the power supply
(14) shows intermittent contact or is corroded.
Playback is without bass:
One loudspeakers is connected the wrong way round.
The bass control on the car radio is set to minimum.
The active switch is not set correctly.
The playback is given without mid-high-ranges:
The active switch is not set correctly.
The high-range control of the car radio is set to minimum.
Repairs other than those described above should only be performed by an authorised
specialist.

15. Disposal

When the product is no longer usable, dispose of it in accordance with the applicable statutory
regulations.
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