Pioneer PREMIER GM-X404 Owner's Manual page 3

[2]
INPUT SELECT
2 CH 4 CH
500mV 500mV
LPF OFF HPF
400mV 400mV
2V 0dB +12dB 40Hz 120Hz 2V RCA
LEVEL FREQ
INPUT LEVEL BASS BOOST INPUT LEVEL
[4] [5] [6] [7] [4]
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3
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[1]
OFF HPF
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Fig. 1
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Fig. 3
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≠ ≠ ≠ ≠
+ + + +
≠ ≠ ≠ ≠
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+ + + +
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[17] [17] [16]
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[18] [18]
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Fig. 2