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8. OPERATIONS
A
because it is not necessary for the speakers you are using.
B
The power indicator lights when the power is switched on.
Power IndicatorHigh Frequency rangevery low frequency range
C
Set the HPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system:HPF Select Audio frequency rangeSpeakerRemarksSwitchto be outputTypeOFF(Left)Full rangeFull rangeHPF (Right)Low Frequency range toFull rangeUse if you want to cut the
HPF (High-Pass Filter) Select Switch (CH A and CH B)
D
You can select a cut off frequency from 40 to 240 Hz.
Cut Off Frequency Control
E
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver.
BFC (Beat Frequency Control) Switch
controls for speaker outputs A and B to the same position.stereo (standard output of 500 mV), set to the NORMAL position. When using with an RCA equipped Pioneer car stereo with max. output of 4 V or more, adjust level to match the car stereo output level.level control clockwise.
Adjusting the gain controls A and B and the bass level control (CH SUB) will help match the output of the car stereo to the Pioneer amplifier. Normally, set these controls to the ONORMAL (NORM.)� position. If the output is low, even when the volume of the car stereo is turned up, turn these controls clock- wise. If there is distortion when the vol- ume of the car stereo is turned up, turn these controls counter-clockwise.YIf you only use one input plug, set the gainYWhen using with an RCA equipped carYWhen you want to boost bass, turn the bass
F
Gain Control and Bass LevelControl
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GM-D505/XH/EW
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ACEC
