16
Connectors and control units
7
Ground lift switch
Can be used to define the connection
between the power ground and signal ground
of the inputs and outputs.
8
Control pushbutton
Use this button to either switch between the
setups or initiate a reset of the device.
9
Status LED
This LED indicates the operating mode of the
DSP and which setup has been chosen.
10
USB input
Connects the HELIX DSP.3 to your PC.
11
Control Input
Multifunction interface for e.g. an optional
remote control or other HELIX accessory.
12
Line Output
Line outputs for connecting amplifiers. Make
sure that the remote output is used to turn on
these devices.
1
Line Input
RCA inputs for connecting pre-amplifier
signals.
2
Clipping LED
This LED lights up red if one of the analog
inputs is overdriven.
. 3
Input Sensitivity
Control for adjusting the input sensitivity of
the lowlevel
Line
and
Highlevel Inputs
.
4
Highlevel Input
Highlevel speaker inputs for connecting a
factory radio or an aftermarket radio without
lowlevel line outputs.
5
Optical Input
Optical input for digital stereo signals (SPDIF
format).
6
Power Input
Connector for the DC power supply with an
additional remote in- and output. The remote
output has to be used to switch on external
amplifiers.
7
8
9
10
11
12
1
3
4
2
5
6
