Turning on The Amplifier
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“..“. .-
The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition
switch to ACC or ON or turn on your auto sound system, depending on how you wired
the system. The POWER indicator on the top of the amplifier lights when the amplifier is on.
Important : Your amplifier requires 30 amps or more of power from your vehicle’s battery
during operation. To protect your battery from discharging, do not operate
the amplifier unless your vehicle is running.
Adjusting The Audio Level
I - . . . . .II -..........-
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For the best performance, you must set GAIN (MIN/MAX) on the side of the amplifier to
adjust the level of the audio signals that enter the amplifier.
1. Use a screwdriver to turn GAIN (MIN/MAX) fully counterclockwise to MIN>
2. Turn the auto sound system’s volume control to about one-third of its full range.
3. Adjust GAIN (MIN/MAX) to a comfortable listening level.
4. Turn up the auto sound system’s volume control until the sound begins to distort. Then
immediately turn the volume down to a point just before where the distortion began.
Caution : Never turn up the auto sound system’s volume control more than needed to
adjust the audio level, more than two thirds of its maximum volume.
5. Adjust GAIN (MIN/MAX) until the sound is at the maximum level you want the amplifier
to produce.
6. Adjust the auto sound system’s volume control to a comfortable listening level.
RESPONSE
BASS BOOST ON
20dB
1 OdB
FREQUENCY
OdB
1 OdB
I i
I
I 8
I I I i I I i I
20dB
30dB ,.
50
100 500 1K
5K
20K 50K
FREQUENCY (Hz)
NOTE : Raising the Bass frequency allows higher frequencies to reach the bass
speakers while blocking lower frequencies from midrange speakers.
Lowering the Bass frequency allows lower frequencies fo reach the
midrange speakers while blocking higher frequencies from bass speakers.
Trouble Shooting
--. I_--.l(-l_il_“---lll^.
1 SYMPTOMS
1 CHECU
NO SOUND
Is the power
LED illuminatec
AMP NOT
SWITCHING ON
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