HELIX M FOUR DSP Manual page 24

Connectors and control units
Control pushbutton
1
Use this button to either switch between the
setups or initiate a reset of the device.
Rem. Out
2
The remote output has to be used to turn on /
off external amplifiers that are connected to
the RCA / Cinch line outputs.
Highlevel Input
3
Highlevel speaker inputs for connecting a
factory radio or an aftermarket radio without
lowlevel line outputs.
Line Input
4
RCA / Cinch
pre-amplifier signals.
Auto Remote
10
This switch allows to activate / deactivate the
automatic turn-on feature of the Highlevel
Input.
Speaker Output
11
Speaker outputs for connecting speaker
systems.
Power & Protect LED
12
This LED indicates the operating mode of the
amplifier.
24
1 2
5 6 7 8
inputs for connecting
11
3
9
USB Input
5
Connects the HELIX M FOUR DSP to your
PC.
Status LED
6
This LED indicates the operating mode of the
amplifier and of its memory.
Control Input
7
Multifunction interface for e.g. an optional
remote control or other HELIX accessory.
Optical Input
8
Optical input for digital stereo signals (SPDIF
format).
Line Output
9
Line outputs
amplifiers. Make sure that the remote output
(Rem. Out) is used to turn on these devices.
10
12 13 14
+12 V
13
Connector for the +12 V power cable to the
positive terminal of the battery.
REM
14
Connector for the remote cable of the radio.
GND
15
Connector for the ground cable (negative
terminal of the battery or metal body of the
vehicle).
4
for connecting
15
external