Section
02 
Setting the Unit
What’s what
Front side
Rear side
To adjust the switch, use a flathead screwdriver if needed.
1Power indicator
The power indicator lights up to indicate power ON.
2BASS BOOST (bass boost level control) switch
You can select a bass boost level from 0 dB, 6 dB and 12 dB.
3GAIN (gain) control
If output remains low, even when the car stereo volume is turned up, turn controls to lower level. If distortion occurs when the car stereo volume is turned up, turn these controls to higher level.
!For use with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. For use with an RCA equipped Pioneer car stereo, with max. output of 4 V or more, adjust level to match that of the car stereo output.
!If you hear too much noise when using the speaker input terminals, turn the gain control to higher level.
4LPF
Switch the settings based on the connected speaker.
!When the Subwoofer is connected: Select ON. This eliminates high range frequency and outputs low range fre- quency.
!When the full range speaker is con- nected:
Select OFF. OFF outputs the entire fre- quency range.
Setting gain properly
!Protective function included to prevent malfunction of the unit and/or speakers due to excessive output, improper use or improper connection.
!When outputting high volume sound etc., this function cuts off the output for a few seconds as a normal function, but output is restored when the volume of the head unit is turned down.
!A cut in sound output may indicate impro- per setting of the gain control. To ensure continuous sound output with the head unit at a high volume, set amplifier gain control to a level appropriate for the preout maximum output level of the head unit, so that volume can remain unchanged and to control excess output.
!Despite correct volume and gain settings, the unit sound still cuts out periodically. In such cases, please contact the nearest authorized Pioneer Service Station.
Gain control of this unit
Preout level: 2 V
(Standard: 500mV)
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