Alpine ERE-G180 - Manual (Page 6)

6
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Turning Power On and Off
The ERE-G180 is turned on and off automati-
cally when your head unit is switched on and
off.
Adjusting the Subwoofer
Level
The ERE-G180 provides full user control of the
subwoofer output. Not only can the output
level be adjusted to +15 dB but frequency of
the crossover point is continuously adjustable,
input can be summed using the STEREO/
MONO switch and a PHASE switch provides 0
or 180
°
phase shift.
The LED on the SUBWOOFER LEVEL control
will be off when the SUBWOOFER ON/OFF
switch is in the "OFF" position. In this mode,
the FRONT and REAR outputs will be full-
range signals with no signal to the SUB-
WOOFER output.
The LED on the SUBWOOFER LEVEL control
will illuminate in amber when the SUB-
WOOFER ON/OFF switch is in the "ON"
position. In this mode, the FRONT and REAR
outputs will be high-pass and the SUB-
WOOFER output will receive the low-pass
signals.
Note: Push the SUBWOOFER ON/OFF switch
to set the subwoofer mode to ON.
Push the switch again to set the mode
to OFF.
Select a crossover frequency between 50 and
120 Hz using the CROSSOVER
FREQUENCY control.
Operation
1 1
2
CROSSOVER
PUSH
SUB W.
80Hz
50 120
2
1 CROSSOVER
PUSH
SUB W.
80Hz
50 120
+ 15
0
SUB W.