LPF
Set the LPF/HPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system:
LPF/HPF Select | Audio frequency range | Speaker | Remarks |
Switch | to be output | Type |
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LPF (Left) | * — 40 Hz to 500 Hz | Subwoofer | Connect a subwoofer. |
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OFF (Center) | Full range | Full range |
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HPF (Right) | * 40 Hz to 500 Hz — | Full range | Use if you want to cut the |
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| very low frequency range* |
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| because it is not necessary |
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| for the speakers you are |
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| using. |
* See the “Cut Off Frequency Control” section.
Input Select Switch
For
Power Indicator
The power indicator lights when the power is switched on.
Gain Control
Adjusting the gain controls A and B will help match the output of the car stereo to the Pioneer amplifier. Normally, set the gain controls to the NORMAL position. If the output is low, even when the volume of the car stereo is turned up, turn these controls clockwise. If there is distortion when the volume of the car stereo is turned up, turn these controls
•If you only use one input plug, set the gain controls for speaker outputs A and B to the same position.
•When using with an RCA equipped car 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.
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