Pioneer PRS-D410 LPF Low-Pass Filter/HPF High-Pass Filter Select Switch, Input Select Switch

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch

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
LPF (Left)	* — 40 Hz to 500 Hz	Subwoofer	Connect a subwoofer.
OFF (Center)	Full range	Full range
HPF (Right)	* 40 Hz to 500 Hz —	Full range	Use if you want to cut the
			very low frequency range*
			because it is not necessary
			for the speakers you are
			using.

* See the “Cut Off Frequency Control” section.

Input Select Switch

For two-channel input, slide this switch to the left. For four-channel input, slide this switch to the right.

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 counter-clockwise.

•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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