Installation - HELIX DSP.3 Handbuch

Installation

Connection of HELIX DSP.3 to the head unit / car
radio:
Caution: Carrying out the following steps will re-
quire special tools and technical knowledge. In or-
tions and follow all instructions in this manual (see
installed by an authorized HELIX dealer.
Use the correct cable (RCA / cinch cable) to
radio. Each input can be assigned to any output
using the DSP PC-Tool software. The automat-
ic turn-on circuit does not work when using the
DSP.3.
Important: It is strictly forbidden to use the
Highlevel
it is possible to use the Highlevel Input of one
channel simultaneously.
2. Connecting the highlevel speaker inputs
nected directly to the loudspeaker outputs of an
OEM or aftermarket radio using appropriate ca-
We recommend the following channel assign-
ment if a common car radio will be connected to
the signal processor:
Channel A = Front left
Channel B = Front right
Channel C = Rear left
Channel D = Rear right
speaker inputs. If only two channels will be con-
nected we recommend to use the channels A
and B. Make sure that the polarity is correct. If
3. Connecting a digital signal source
-
Line Input of an indi-
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Line Input of another
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-
processor. If this input is used the remote input
does not need to be connected as the signal
processor will automatically turn on once a
tal output you can connect it to the signal pro-
cessor using the appropriate input. In standard
signal is detected. This function can be deac-
if you are using the optional remote control. The
automatic turn-on circuit does not work when
the digital input is used. Therefore it is manda-
tory to connect the remote input of the Power
Input. Please note that it is possible to connect
a source to the digital input and the Highlevel
Input or the Line Input at the same time.
Important: The signal of a digital audio source
normally does not contain any information
strongly recommend to use an optional remote
ital signal input!
Information: The HELIX DSP.3 can only han-
dle uncompressed digital stereo signals in PCM
format with a sample rate between 12 kHz and
96 kHz and no MP3- or Dolby-coded digital
audio stream!
Attention: It is mandatory to properly adapt
the input sensitivity of the DSP.3 to the
signal source in order to avoid damage to
the signal processor.
the control 3 (see page 17, item 3; Input Sensi-
tivity
cations. Only if the head unit / car radio doesn´t
should be increased by the turning the control
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