Panel Facilities - Pioneer GM-D7500M SERIES Service Manual

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2.2 PANEL FACILITIES

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A
What 's what
Front side
B
Rear side
To adjust the switch, use a flathead screwdri-
ver if needed.
C
1 Power indicator
The power indicator lights up to indicate
power ON.
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L 13942296513
2 GAIN (gain) control
If output remains low, even when the car
stereo volume is turned up, turn controls to
stereo volume is turned up, turn these con-
D
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 max.
output of 4 V or more, adjust level to
match that of the car stereo output.
• If you hear too much noise when using
the speaker input terminals, turn the
E
gain control to higher level.
3 BASS BOOST (bass boost level control)
switch
You can select a bass boost level from 0 dB,
6 dB and 12 dB.
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4 LPF (low-pass filter) switch
Switch the settings based on the connected
speaker.
• When the Subwoofer is connected:
Select ON. This eliminates high range
frequency and outputs low range fre-
quency.
• When the full range speaker is con-
nected:
Select OFF. OFF outputs the entire fre-
quency range.
5 LPF (low-pass filter) cut off frequency
control
You can select a cut off frequency from 40
Hz to 240 Hz.
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