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Trunk Mount Amplifier
(120-1971B) Operation Faxback Doc. # 18180
TURNING ON THE AMPLIFIER
The amplifier automatically turns on whenever you turn on your autosound
system. The POWER indicator lights when the amplifier is on.
Thermal Overload Protection
The amplifier's overload protection circuit automatically shuts down the
amplifier and the red overload PROTECTION indicator lights under the
following conditions:
The amplifier is overheated.
The speaker wires are shorted.
The DC power output is shorted.
The ground wire is open.
The speakers' impedance is above or below the rated output impedance.
If this happens, turn off your autosound system, let the amplifier cool
down. Then before you restart, check to make sure the speaker wires are
not touching, the ground wire is properly connected to your vehicle's
chassis, and the speakers' impedance is 8 Ohms.
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 clockwise to MAX.
2. Turn on your vehicle's ignition (if necessary), then turn on your
autosound system. The amplifier turns on.
3. Adjust the autosound system's volume control to a comfortable
listening level.
LISTENING SAFELY
To protect your hearing, follow these guidelines: