13
1
Line Input
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-
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2
High Level Input
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Use this input to connect the processor directly to
loudspeaker outputs on an OEM or aftermarket ra-
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Attention:
Solely use the pluggable screw-terminal
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-
YLFH
3
Optical Input
Optical input in SPDIF format for connecting signal
sources with a digital audio output. The sampling
rate of this input must be between 6 and 192 kHz.
The input signal is automatically adjusted to the in-
ternal sample rate.
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commend the optional cable remote control URC
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optical input.
Notice:
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signals and no Dolby-coded digital audio stream.
4
Power Input
This input is used for connecting the processor to
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out.
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remote input can be left unconnected. The remote
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Attention:
Solely use the pluggable screw-terminal
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Important:Never use a different signal than the
remote output of the DSP to activate connected
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5
Ground Lift Switch
The ground of the HELIX DSP signal inputs is gal-
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outputs. In many cars this setup is the best way to
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necessary to directly connect input and output
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stor. Therefore the “Ground Lift Switch” has three
positions:
-
center position: input and output ground separa-
ted
-
left position: input and output ground tied toge-
ther
- right position: input and output ground con-
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6
Control pushbutton
The control pushbutton allows the user to switch
between the two setup memory positions. Setups
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ten to the second storage position. To switch bet-
ween the setups, the button has to be pressed and
held for 1 second. Switching is indicated by a single
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Pressing the button for 5 seconds completely era-
ses the internal memory. This is indicated by a con-
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Attention:
After erasing the setups from memory
the HELIX DSP will not reproduce any audio output.
7
Status LED
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setup. Green means that setup 1 (af1/ac1) is loa-
Initial start-up and functions
