Gain Control
Adjusting the g
ain controls
A and B will
help ma
tch the output of the car ster
eo
to
the Pioneer amplif
ier
. Normally
, set
the g
ain controls to the “NORMAL”
position. If the output is lo
w
, e
v
en when
the v
olume of the car stereo is turned up,
turn these controls clockwise. If there is
distortion when the v
olume of the car
stereo is turned up, turn these controls
counter
-clockwise.
•
If you only use one input plug, set the g
ain
controls for speak
er outputs
A and B to the
same position.
•
W
hen using with an RCA equipped car
stereo (standard output of 500 mV), set to
the NORMAL position.
W
hen using with
an RCA equipped Pioneer car stereo with
max. output of 4
V or mor
e, adjust le
v
el to
match the car stereo output le
v
el.
Power Indicator
The po
wer indicator lights when the
po
wer is switched on.
Input Select Switch
F
or tw
o-channel input, slide this switch
to the left. F
or 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
frequenc
y from 40 to 120 Hz.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follo
ws according to the type of speak
er that is connected to
the speak
er output connector and the car stereo system:
LPF/HPF Select
A
udio fr
equency range
Speak
er
Remarks
Switch
to be output
T
ype
LPF
(left)
* — 40 to 120 Hz
Subw
oofer
Connect a subw
oofer
.
OFF
(center)
Full range
Full range
HPF (right)
* 40 to 120 Hz —
Full range
Use if you w
ant to cut the
v
ery lo
w frequenc
y range*
because it is not necessary
for the speak
ers you are
using.
*
See the “Cut Of
f Frequenc
y Control” section.
22
GM-X564
8. OPERATIONS AND SPECIFICATIONS
8.1 OPERATIONS
-
GM-X564/XR/EW
Summary of Contents for GM-X564
Page 10: ...CH A GAIN CONTROL A AMP UNIT 10 GM X564 A 1 2 3 4 B C D 1 2 3 4 A b A a A b 1 2 3 4 ...
Page 14: ...14 GM X564 A 1 2 3 4 B C D 1 2 3 4 AMP UNIT A A ...
Page 15: ...15 GM X564 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...
Page 21: ...21 GM X564 7 1 2 CONNECTOR FUNCTION DESCRIPTION GM X564 XR EW ...
