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If the output remains low, even when the car
stereo volume is turned up, turn the con-
trols to a lower level. If distortion occurs
when the car stereo volume is turned up,
turn these controls to a higher level.
! In case of a bridge connection, set the
gain controls for speaker outputs A and
B to the same position.
! 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 maxi-
mum output of 4 V or more, adjust level
to match that of the car stereo output.
! For use with an RCA equipped car stereo
with output of 4 V, set to the H position.
4 2CH-4CH INPUT SELECT (input select)
switch
For details, refer to Connecting the car
stereo.
5 SP INPUT (speaker input) terminal
Please see the following section for speaker
connection instructions. Refer to Connec-
tions when using the speaker input wire.
6 POWER/PROTECT indicator
The power indicator lights up to indicate
power ON.
! If something is not normal, the indicator
turns red.
7 A/B-SW INPUT SELECT (input select)
switch
For details, refer to Connecting the car
stereo.
8 SLOPE (slope) select switch
Select the slope of LPF from –12 dB (shallow
slope) or –24 dB (sharp slope).
9 BB-REMOTE (bass boost level remote
control) jack
By connecting the Bass boost level remote
control to the jack on the main unit, you will
be able to select a bass boost level from
0 dB to 18 dB.
! The bass boost level setting applies only
to the subwoofer output.
! For instruction of connecting the bass
boost remote control to the amplifier, see
the Connection diagram.
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: 500 mV)
Preout level: 4 V
Above illustration shows NORMAL gain set-
ting.
En
Setting the unit
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