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2
4
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F
E
D
C
B
A
GM-6100F/XU/EW
8. OPERATIONS
(GM-6100F/XU/EW)
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)
* — 40 to 120 Hz
Subwoofer
Connect a subwoofer
.
OFF
(Center)
Full range
Full range
HPF (Right)
* 40 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.
*
See the “Cut Of
f Frequency Control” section.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an
MW/L
W broadcast with your car stereo,
change the BFC switch using a small stan-
dard tip screwdriver
.
Power Indicator
The power indicator lights when the
power is switched on.
Gain Control
Adjusting the gain controls A and B will help
match the output of the car stereo to the
Pioneer amplifier
. Normally
trols to the NORMAL
position. If the output is low
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
•
If you only use one input plug, set the gain con-
trols 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 NOR-
MAL 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
output level.
Input Select Switch
For two-channel input, slide this switch
to the left. For four
-channel input, slide
this switch to the right.
Cut Off Frequency Control
If the LPF/HPF select switch is set to
LPF or HPF
, you can select a cut of
f
frequency from 40 to 120 Hz.
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