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Setting the Unit
<ENGLISH>
Gain Control
Adjusting the gain controls A and B
will help match the output of the car
stereo to the Pioneer amplifier.
Normally, set the gain controls to the
NORMAL position. If the output is
low, even when the volume of the car
stereo is turned up, turn these controls
clockwise. If there is distortion when
the volume of the car stereo is turned
up, turn these controls counter-clock-
wise.
• If you only use one input plug, set the
gain controls for speaker outputs A and
B to the same position.
• When using with an RCA equipped car
stereo (standard output of 500 mV), set
to the NORMAL position. When using
with an RCA equipped Pioneer car
stereo with max. output of 4 V or more,
adjust level to match the car stereo out-
put level.
Power Indicator
The power indicator
lights when the power is
switched on.
Input Select Switch
For two-channel input, slide
this switch to the left. For
four-channel input, slide this
switch to the right.
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 frequency range Speaker Remarks
Switch to be output Type
LPF (Left) — 80 Hz Subwoofer Connect a subwoofer.
OFF (Center) Full range Full range
HPF (Right) 80 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.
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
standard tip screwdriver.