16
Troubleshooting
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 distor-
tion began.
Caution:
Never turn up the auto sound
system’s volume control more than
needed to adjust the audio level, or
more than two-thirds of its maximum vol-
ume.
5. Adjust
LEVEL (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.
ADJUSTING FREQUENCY
CROSSOVER
If you installed a subwoofer using the steps
in “Connecting a Subwoofer” on Page 13, set
X-OVER FREQ ON/OFF
to
ON
, then adjust
X-
OVER FREQ
for your particular vehicle’s
acoustics. The amplifier passes through all
frequencies at or below that setting (45
−
400
Hz).
Note:
X-OVER FREQ
selects the limit at which
the amplifier will pass frequencies (from 45
−
400 Hz). You should not use it to adjust the
sound you hear through your main speakers.
ˆ
Troubleshooting
We do not expect you to have any problems with your amplifier, but if you do, these sugges-
tions might help.
Symptom Possible Cause Suggestion
No power
—
the amplifier’s
POWER indicator does not light
after you turn on the vehicle’s
auto sound system.
Power problem. Check the amplifier’s and auto-
sound system’s fuses and
replace them if necessary (see
“Replacing a Fuse” on
Page 18).
Vehicle’s ignition is not turned
on.
Turn on the ignition.
The amplifier is not properly
connected to your auto sound
system/vehicle.
Check all connections.
No sound. The auto sound system is not
turned on or the volume is set to
minimum.
Turn on the auto sound system
or adjust its volume.
LEVEL (MIN/MAX)
is set to
minimum.
Adjust
LEVEL (MIN/MAX)
.
12-2014.fm Page 16 Tuesday, May 9, 2000 8:51 AM
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