The HELIX C-DSP must be connected to the
head unit (radio) as follows:
Caution:
Carrying out the following steps will re-
quire special tools and technical knowledge. Ask
your dealer for assistance in order to avoid con-
nection mistakes and/or damage or if you have any
questions and follow all instructions in this manual.
It is recommended that this unit should be professi-
onally installed only by an authorized HELIX dealer.
1.
Connecting pre-amplifier inputs
Use the correct cable (cinch cable, not included)
to connect these inputs to the radio pre ampli-
fier / low level / RCA outputs. These inputs can
be assigned as desired as this is feasible in the
software. The automated turn-on circuit does not
function when using the pre-amplifier inputs. The
remote input terminal must be connected to acti-
vate the C-DSP unit.
Please note that simultaneous use of high level
and pre-amplifier inputs may result in damage.
2.
Connecting high level loudspeaker inputs
The high level loudspeaker inputs can be con-
nected directly to the OEM or aftermarket radio
loudspeaker outputs using the correct cable
(loudspeaker cable, not included). The highle-
vel speaker terminal of the C-DSP can be un-
plugged for easier handling. All inputs do not
need to be used because every input can be
assigned as desired in the software.
Make sure of correct polarity - see the caption
on the sidepanel. If one or more connections
have incorrect polarity this may cause proces-
sor malfunction. If this input is used the remote
input does not need to be used as the proces-
sor switches automatically once a loudspeaker
signal is received.
3. Connection to power supply
Connect the C-DSP to a power supply using
only the power terminal - this is pluggable. Make
sure of correct polarity. The ground input must
be connected via a cable to the vehicle chas-
sis at a not insulated point. Inadequate earthing
causes interferences and malfunctions.
The +12 Volts is to be connected to the battery
positive post or a power distribution block. The
14
9
USB Input
This mini USB input is used to connect a computer
with the supplied USB cable.
10
Power Input
These terminal is used to connect the processor to
the power supply of the vehicle.For easier handling
the connection terminal is pluggable.
Please note that this connector includes a remote
in- and output. If the highlevel loudspeaker inputs
are used, the remote input does not need to be
used. The remote output is used to control amplifier
switching on and off via the processor. This output
should always be used to avoid distortion signals
during the boot time of the C-DSP. Connect this re-
mote output to your amplifier remote inputs.
Installation
