What
’
s what
GM-D8601
Front side
2
1
3
4
Rear side
GM-D9601
Front side
2
1
3
4
Rear side
To adjust the switch, use a flathead screwdri-
ver if needed.
1
POWER/PROTECT indicator
The power indicator lights up to indicate
power ON.
!
If something is not normal, the indicator
turns red.
2
GAIN (gain) control
If output remains low, even when the car
stereo volume is turned up, turn controls to
lower level. If distortion occurs when the car
stereo volume is turned up, turn these con-
trols to higher level.
!
For use with an RCA equipped car stereo
(standard output of 500 mV), set to the
NORMAL
position. For use with an RCA
equipped Pioneer car stereo, with maxi-
mum output of 4 V or more, adjust level
to match that of the car stereo output.
!
For use with an RCA equipped car stereo
with output of 4 V, set to the
H
position.
!
If you hear too much noise when using
the speaker input terminals, turn the
gain control to higher level.
3
LPF (low-pass filter) cut off frequency
control
You can select a cut off frequency from
40 Hz to 240 Hz.
4
BASS BOOST REMOTE (bass boost level
remote control) jack
By connecting the Bass boost level remote
control to the jack on the main unit, you will
be able to select a bass boost level from
0 dB to 18 dB.
For instruction of connecting the bass boost
remote control to the amplifier, see the
Setting gain properly
!
Protective function included to prevent
malfunction of the unit and/or speakers
due to excessive output, improper use or
improper connection.
!
When outputting high volume sound etc.,
this function cuts off the output for a few
seconds as a normal function, but output
is restored when the volume of the head
unit is turned down.
En
4
Section
02
Setting the unit
