The MATCH
PP
82DSP
must
be connected
to
the head
unit
(radio) as
follows:
Caution:
Carrying out the
following
steps will
require
special tools
and
technical knowledge.
In
order to avoid connection mistakes and/or dama-
ge, ask your
dealer
for assistance if you have any
questions and
follow all instructions
in
this
manual
(see page 13).
1.
After removing the radio from the dash using
appropriate tools, disconnect the
vehicle harness
from the radio. Next, connect
the vehicle
harness
to the
male connector of the
MATCH cable
harness,
see fig. 3
(!)
Depending
on
your car
an
additional car-specific
adaptor may be required.
A list
of
all cars and the respective adaptors can
be
found
on
www.audiotec-fischer.com.
2.
Connect the
female
connector of the
MATCH
cable
harness or the car-specific adaptor to the ra-
dio,
see fig.
3
®.
3.
In
case of the
PP
82DSP the
included MATCH
cable
harness cannot and must not be used for
the
power
supply. Always directly
connect the massive
screw terminals of this
amplifier
to your car's battery
using appropriate wires (AWG
8/1
0 mm
2
or better).
Never use the power
leads
of the car radio
itself!
Though the
PP
82DSP
only
has a
limited
average
power consumption, it may draw very high currents
(up to 50A) for the fraction of a second due to its
dynamically
controlled internal power
supply.
Important:
You
may
risk
a severe damage
of
your
car
radio and
other
electronic
components
inside
your
vehicle
or
even a cable fire
if
you
use the
car
radio harness
for
the
power
supply
of
the
PP
82DSP!
Make
sure
to
disconnect
the battery before in-
stalling
the
PP
82DSP!
Connect the +12V power cable
to the positive termi-
nal
of
the battery. The positive wire from the battery
to the
PP
82DSP power
terminals
needs to have
an
in
line
fuse (50 A) at a distance of
no
more
than
12 inches
(30
em)
from
the battery.
If
your power
wires are short
(less
than 1 m
/40")
then a wire gau-
ge
of
6
mm
2
I
AWG 10
will
be sufficient.
In
all
other
cases we
strongly
recommend gauges of 1
0 - 16
mm
2
I
AWG 6 -
8!
The ground
cable
(same gauge
as the +12V wire) should
be
connected to a com-
mon ground reference point (this
is
located
where
the negative terminal
of
the battery
is
grounded
to the
metal
body
of
the
vehicle),
or to a prepared
metal location
on
the vehicle
chassis, i.e.
an
area
which has been
cleaned
of all
paint residues.
4.
Connect the
MATCH harness to the
MATCH
PP
82DSP, see fig. 3
®·
Optimizing the
amplifier
gain setting:
Turn
on
the car radio and the
volume
up
gradually.
Maximum
volume
has been reached when
loud-
speaker distortion becomes
audible.
To
increase
volume
range of the radio use the
MODE
switches
nos. 1 and 2 (refer to page 17) to reduce the
overall
gain of the
PP
82DSP.
If
your radio
is
at maximum
volume
without any distortion being
audible,
you
can use the MODE
switches to increase the am-
plifier overall
gain by
+2
dB.
Be
careful
when using
this function.
Caution:
The
PP
82DSP
amplifier
has a
significantly
hig-
her
power
output
than the
car
radio itself.
Most
of
the
OE
speakers in the
car
will
not
be able
to
handle
this
extra
power
permanently.
As
long
as
you
do
not
replace the
original
speakers
by
lou-
dspeakers
with
higher
power
handling please
be
very
careful when
you
crank
up
the volume.
If
you
hear
strong
distortion,
please reduce the
volume
to
an appropriate level in
order
to
avoid
damaging
your
speakers.
Note:
Audiotec
Fischer
is
not
responsible
for
any
damages
to
OE
speakers
that
are used in
combination
with
the
PP
82DSP!
Note - Cars equipped
with
MOST
bus:
In
cars equipped
with
MOST
bus
structure
it
is
mandatory
to
unplug
the
fiber-optic
cable
from
the
original
radio
connector
and
insert
it
into
the
radio
connector
of
the MATCH cable harness,
which
has a dedicated recess
for
this.
19
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