Section
m (
Setting
the
unit
What's
what
Front side
Rear side
To
adjust the switch, use a flathead screwdri-
ver if needed.
CD
LPF
(low-pass filter) switch
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.
@ GAIN (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 con-
trols 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.
®
Power
indicator
The power indicator lights up to indicate
power
ON.~
(])En
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
GAIN
NORMAL~
Preoutlevei:2V~
~
(Standard:
500
mV)
6.5V
0.2V
Above illustration shows NORMAL gain set-
ting.
Relationship
between
amplifier
gain
and head
unit
output
power
- • Equal power
Head unit
volume steps Head unit volume steps
Amplifier gain
----
...
~
Amplifier gain
(normal) (maximum)
If amplifier gain is raised improperly, this will
simply increase distortion, with little increase
in
power.
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