HELIX U 8A Manual page 13

Connectors and control units
1
1
Power & Protect LEDs
1
These LEDs indicate the operating mode of
the active subwoofer.
Phase
2
This switch allows to switch the phase
between 0° and 180°.
Auto Remote
3
This switch allows to activate / deactivate the
automatic turn-on feature via the highlevel
inputs of the active subwoofer.
Lowpass
4
Control for adjusting the lowpass filter from
50 Hz to 150 Hz.
Phase Shift
5
Control for continuous fine tuning of the
phase from 0° to 180°.
Input Level
6
Control for adjusting the input sensitivity of
the lowlevel Line and Highlevel Inputs.
2 4 5 6
3
7 8 9 10
Remote Control
7
Input for connecting the included cable
remote control for volume adjustment.
Highlevel Input
8
Highlevel speaker inputs for connecting a
factory radio or an aftermarket radio without
lowlevel line outputs.
Line Input
9
RCA inputs for connecting lowlevel line
signals.
Fuse
10
Input fuse - 1 x 25 Ampere.
Power Input
11
Connector for the power supply and the
remote cable.
11
13