PIONEER GMX624
Instrukcja Serwisowa

- SETTING THE UNIT

GM-X624, GM-X524

8. OPERATIONS AND SPECIFICATIONS

20

Cut Off Frequency Control Power Indicator
If the LPF/HPF select switch is set The power indicator lights when to LPF or HPF, you can select a cut the power is switched on. off

Gain Control

Adjusting the gain controls A and B will help match output of the car stereo to the Pioneer amplifier. Normally, set switch 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 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.

� Set the gain control to �NORMAL�

when this amplifier is connected to a Pioneer car stereo with RCA output jacks. If the sound level is too low or LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch distorts, adjust the gain control.

� Adjust gain control �MIN� Set LPF/HPF select switch as follows according to the type of

side of �NORMAL� when this amplithat is connected to speaker output connector and the fier is connected to a Pioneer car stereo system: stereo (High voltage output type).

RCA Input Select Switch

LPF/HPF Select Audio frequency range Speaker Remarks Switch to be output Type
LPF (left) * � 50 to 120 Hz Sub-woofer Connect a sub-woofer. HPF (right) * 50 120 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.

For two-channel input, slide this OFF (center) Full range switch to the left. For four-channel input, slide this switch to the right.