Setting Gain Properly - Pioneer GM-D9705 Owner's Manual

Class d five-channel amplifier
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(_s_e_tt_in_g_t_h_e_u_n_it
_ _ _ _
)
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.
©
2CH-4CH INPUT SELECT (input select)
switch
For
details,
refer to
Connecting the car
stereo.
®
SP INPUT (speaker input) terminal
Please see the following section for speaker
connection instructions.
Refer
to
Connec-
tions when using the speaker input wire.
@
POWER/PROTECT indicator
The
power indicator
lights up to
indicate
power
ON.
• If
something is not normal,
the indicator
turns
red.
(J)
A/B-SW INPUT SELECT (input select)
switch
For details,
refer
to
Connecting the car
stereo.
®
SLOPE (slope) select switch
Select the slope of
LPF
from
-12
dB (shallow
slope) or-24 dB (sharp slope).
®
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
En
be able to select a bass boost level from
OdB to 18dB.
• 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)
NORMU
1::~ . .
I
GAIN
Preout level: 4
V
Above illustration shows
NORMAL
gain set-
ting.

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Gm-dx975

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