Operation; Turning On The Amplifier; Adjusting The Audio Level - Optimus Owner's Manual

12-2010.fm Page 28 Tuesday, July 13, 1999 2:10 PM

OPERATION

TURNING ON THE AMPLIFIER

The amplifier automatically turns on a few seconds after you turn your vehicle's ig-
nition switch to ACC or ON and turn on your autosound system (depending on how
you installed the amplifier). The POWER indicator on top of the amplifier lights when
the amplifier is operating.
Important: Your amplifier requires 70 amps of power or more 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

For the best performance, you must adjust
amplifier's channels to adjust the level of the audio signals that enter the amplifier.
CH1/CH2 LEVEL (MIN/MAX)
CH4 LEVEL (MIN/MAX)
1. Turn
CH1/CH2 LEVEL (MIN/MAX)
clockwise to .
MIN
2. Turn up the autosound system's volume control to about one-third of its full
range.
Caution: Never turn up the autosound system's volume control more than
needed to adjust the audio level, or to more than two-thirds of its maximum vol-
ume.
28
(add new illustration)
CH1/CH2 LEVEL (MIN/MAX)
adjusts the audio level input for
adjusts the audio level input for
and
CH3/CH4 LEVEL (MIN/MAX)
(illustration)
for both of the
and , and
CH1 CH2
and
CH3 CH4.
fully counter-
CH3/