-
GM-X924/X1R/EW
31
GM-X1024,GM-X924
Setting the Unit
Gain Control
Adjusting the gain controls
help match the output of the car stereo
to the Pioneer amplifier
. Normally
the switch to the “NORMAL” position.
If the output is low
, even when the vol-
ume of the car stereo is turned up, turn
these controls clockwise. If there is dis-
tortion when the volume of the car
stereo is turned up, turn these controls
counter
-clockwise.
•
If you only use one input plug, set the
gain controls for speaker outputs
A
and B
to the same position.
•
Set the gain control to “NORMAL” when
this amplifier is connected to a Pioneer car
stereo with RCA
output jacks. If the sound
level is too low or distorts, adjust the gain
control.
•
Adjust the gain control to the “MIN” side
of “NORMAL” when this amplifier is
connected to a Pioneer car stereo (High
voltage output type).
If the LPF/HPF select switch is set to
f
Power Indicator
The power indicator lights when the
power is switched on.
BFC (Beat Frequency Control)
Switch
If you hear a beat while listening to an
AM broadcast with your car stereo,
change the BFC switch using a small
screwdriver
.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of
speaker that is connected to the speaker output connector and the car
stereo system:
LPF/HPF
Select Audio
fr
equency
range
Speaker
Remarks
Switch
to be output
T
ype
LPF
(Left)
— 50 to 120 Hz
Sub-woofer
Connect a sub-woofer
.
OFF
(Center)
Full range
Full range
HPF (Right)
50 to 120 Hz —
Full range
Use if you want to cut the
very-low-frequency range
because it is not necessary
for the speakers you are
using.
RCA Input Select Switch
For two-channel input, slide this switch
to the left. For four
-channel input, slide
this switch to the right.
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