31
Initial start-up and functions
1
System Connector
This connector is used as signal input from the OE
radio, as signal output of the amplifier channels A to
D for connecting the loudspeakers and as connec-
tion for the power supply. The impedance per chan-
nel must not be lower than 4 Ohms. Input sensitivity
is factory-set to 11 Volts. It is possible to optimally
adapt the input sensitivity to the signal source using
the DSP PC-Tool software (DCM menu → Signal
Management) (see page 35, item 3). Solely use this
terminal only in combination with the connection ca-
ble that is included in delivery of the amplifier or an
appropriate cable harness from the MATCH acces-
sories program.
Note:
In HighPower mode the M 5.4DSP must also
be connected directly to the car´s battery by using
a separate cable with sufficient cable cross-sec
-
tion, even when using a cable harnesses out of the
MATCH accessories program. A detailed descrip-
tion of the “HighPower” mode can be found on page
33.
Caution:
The use of other harnesses may cause
severe harm to the amplifier, your car radio / head
unit and your loudspeakers. In any case the warran-
ty will be void!
2
Auto Remote
The M 5.4DSP will be turned on automatically if the
highlevel inputs are used or if a signal is applied
to the
Remote In / Out
terminal. The
Auto Remote
switch allows to activate / deactivate the automatic
turn-on feature of the
System Connectors
highlevel
inputs. The feature should be deactivated (Auto Re-
mote = off) if there are e.g. disturbing noises while
switching on / off the amplifier.
Note:
If the automatic turn-on function is deactivat-
ed it is mandatory to use the
Remote In / Out
termi-
nal to power up the amplifier! The highlevel signal
will be ignored in this case.
3
Remote In / Out
Remote In: The remote input has to be used to turn
on / off the M 5.4DSP if the signal source which is
connected to the highlevel inputs of the
System
Connector
is not activating the “automatic turn-on”
function or if the amplifier shall
only be activat-
ed / deactivated by a remote signal applied to the
Remote In / Out
input.
Remote Out: We strongly recommend to use the re-
mote output for turning on / off additional amplifiers
that are connected to the
Line Output F - I
of the
M 5.4DSP. This is essential to avoid any undesired
pop noises during DSP boot or software update
process. Additionally this output will be turned off
during the “Power Save Mode” or a software update
process.
4
Subwoofer Output
This output provides for the connection of a passive
MATCH Plug & Play subwoofer (like the MATCH
PP 7E-D or PP 7S-D), a conventional subwoofer
or speaker. Use only the enclosed subwoofer cable
for connecting a speaker. How to connect the dif-
frent speakers see page 37, item 7. When using a
subwoofer, we strongly recommend to connect the
M 5.4DSP directly to a 12 Volt source. Refer to con-
nection instructions on page 36, section 3.
5
USB Input
Connect your personal computer to the M 5.4DSP
using the provided USB cable. The required
PC software to configure this amplifier can be
downloaded from the Audiotec Fischer website
www.audiotec-fischer.com
.
Please note:
It is not possible to connect any USB
storage devices.
6
Control pushbutton
The M 5.4DSP provides 10 internal memory lo-
cations for sound setups. The
Control pushbutton
allows the user to switch between two memory po-
sitions. These can be defined in the DSP PC-Tool.
1. Setup switch: Press
Control pushbutton
for 1 sec-
ond. The memory locations one and two are defined
ex works. Switching is indicated by a single red
flash of the
Status LED
. Alternatively, the optional
URC.3 remote control can be used for switching.
To switch between all internal memory locations,
optional accessories like the DIRECTOR display
remote control, CONDUCTOR or WIFI CONTROL
are required.
2. Device reset:
Press pushbutton for five seconds.
This completely erases the internal memory and is
indicated by a continuous red glowing and constant
green flashing of the
Status LED
.
Attention:
After erasing the setups from memory
