Optimus 120-1971 Mounting, Plug in the wiring harnesses, Turning On The Amplifier, Faxback Doc. #

Models: 120-1971

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2 X 50 Watt Truck Amp (120-1971)

Mounting

Faxback Doc. # 6716

Mount the amplifier as follows in the location you chose earlier. Unplug the wiring harnesses to make mounting more convenient.

1.Using the mounting holes on the amplifier as a guide, mark the locations for the mounting holes.

2.Drill 9/64-inch holes in the marked locations, taking care not damage anything behind the mounting surface.

3.Attach the amplifier to the mounting surface using the supplied sheetmetal screws and washers.

Plug in the wiring harnesses.

TURNING ON THE AMPLIFIER

The amplifier automatically turns on whenever you turn on your radio/cassette player. The POWER indicator lights when the amplifier is on.

SETTING THE INPUT LEVEL CONTROL

LEVEL lets you adjust the level of audio signals that enter the amplifier. For the best performance, follow these steps to adjust the input level.

1.Turn LEVEL fully counterclockwise.

2.Turn on your stereo system and turn up the volume to about one-third of its full range. Turn on the ignition, if necessary, to turn on the amplifier.

3.Adjust LEVEL until the volume is at the maximum level you desire the radio/tape player to produce.

4.Adjust the stereo system's volume control to a comfortable listening level.

CAUTIONS: Never turn LEVEL up any farther than you need to get clear sound at 2/3 volume.

The overload red indicator illuminates under the following conditions:

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Optimus 120-1971 manual Mounting, Plug in the wiring harnesses, Turning On The Amplifier, Setting The Input Level Control