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2. Temporarily turn up the autosound system’s volume control to about one-
third of its full range.
Caution: Never turn the level controls up any farther than you need to get
clear sound at two thirds volume maximum.
3. Turn the left and right
LEVEL
controls clockwise until you can hear the
sound at a comfortable level.
4. Turn up the volume on your autosound system until the sound begins to dis-
tort. Then immediately turn down the volume to the point just below where
distortion began.
5. Adjust the level controls until the volume is at the maximum level you want
the autosound system to produce.
6. Adjust the autosound system’s volume control to a comfortable listening
level.
USING THE FREQUENCY CROSSOVER
X-OVER FREQ On/Off Switch
To use the amplifier’s crossover function with a subwoofer, push in
X-OVER FREQ
to
On
. To use the amplifier without a subwoofer, push and release
X-OVER FREQ
to
Off.
X-OVER FREQ Control
When you
push in
X-OVER FREQ
to
On,
the
X-OVER FREQ 45 Hz/400 Hz
lets you adjust
the crossover frequency from 45 Hz to 400
Hz for Channels 3 and 4 so you can adjust
the sound to compensate for your vehicle’s
acoustics.
Note: Since this only controls the 45–400
Hz frequencies, this control is useful only
for subwoofers and not your main speak-
ers.
12-1977.fm Page 24 Tuesday, July 13, 1999 10:07 AM