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Remote Level Control - MB QUART RA1-150.2 Quick Start Installation Manual

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C
Level Setting
R
1.
If possible, with the source unit off, confirm that the primary volume control is
INPUT
turned down (counter clockwise).
2.
Turn on the source unit (CD, or MP3 player). Re-confirm that the volume is
L
turned down. Make sure the source unit controls; balance, fader, bass and
treble are all set to center or "0" adjustment. Make sure that the green LED on
the end of the amplifier is illuminated.
3.
Play a clean musical selection of which you are very familiar. CD is preferred.
Do not use radio signals for level setting. Hit play and start turning the volume
of the source unit up.
4.
Stop increasing the source unit volume when you reach 3/4 (about 75%) or until
you hear speakers begin to slightly start producing distortion.
5.
Increase the amplifier gain (clockwise) until distortion is heard, then back
the level down (counter clockwise) until the distortion is eliminated. Small
adjustments may need to be made to balance the levels of multiple amplifiers.
D
Remote Level
Control
E
Turn on Mode
REM TURN ON / DC SENSE ON SWITCH
There are two methods of switching the amplifier on and off. Select
the appropriate position suited for your application.
REM TURN ON
This will turn on the amplifier when a +12v switched power typically
from a source unit, is connected to the Amp Turn on - BLUE wire on
the main power connection harness.
DC SENSE
The DC SENSE is for use with the source units that do not offer
RCA outputs.
NOTE - If the RCA's are plugged into the amplifier and the
TURN ON MODE is in the DC ON position, the amplifier
will NOT turn on. Please re-read this document or hire a
professional installer.
This is a critical step to insure your amplifier
is properly adjusted to match the signal
output level of your source unit.
THIS IS NOT A VOLUME CONTROL!
R
FRONT
L
Some models include a bass
remote. Avoid adjusting the bass
remote while operating vehicle.
REM turn on
SIGNAL SENSE ON, High level
input DC turn on
REAR
1
5
3
GAIN
MIN
MAX
R
L
LPF
50Hz
150
X-OVER
LPF
FULL
4

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