Protection function

This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur.

When the protection function is triggered, the Power indicator goes off and the amplifier stops operating.

■Power indicator:

When the power is turned on, the Power indicator lights.

If the Power indicator does not light when the power is turned on, the

Power indicator

protection function may be activated. Check whether there is any

 

indication of trouble.

 

■The protection function activates in the following

situations:

• When a speaker cable may be short-circuited.

• When a speaker output contacts ground.

•When the unit malfunctions and a DC signal is sent to the speaker output.

•When the temperature of internal parts exceeds 120°C (248°F).

•When a ground cable of the center unit (cassette receiver, CD receiver, etc.) or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery's negative - terminal.

Installation procedure

1.Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits.

2.Set the unit according to the intended usage.

3.Connect the input and output cables of the units.

4.Connect the speaker cables.

5.Connect the power cable, power control cable and grounding cable following this order.

6.Install the unit in the car.

7.Connect the negative - terminal of the battery.

2CAUTION

•Be sure to turn the power off before changing the setting of any switch.

•If the fuse blows, check cables for shorts, then replace the fuse with one of the same rating.

•Check that no unconnected cables or connectors are touching the car body. Do not remove caps from unconnected cables or connectors to prevent short circuits.

•Connect the speaker cables to appropriate speaker connectors separately. Sharing the negative cable of the speaker or grounding speaker cables to the metal body of the car can cause this unit to fail.

•After installation, check that the brake lamps, winkers, and wipers work properly.

3