Audiotec Fischer HELIX V TWELVE DSP Bedienungsanleitung Seite 34

Installation
Examples for adjusting the input sensitivity:
Source
4- to 6-channel OEM-Radio
Up to 25 Watts RMS power per
channel at 4 Ohms or up to 50 Watts
RMS power at 2 Ohms
OEM-Radio with additional 4- to
12-channel amplifier
>25 Watts and up to 200 Watts RMS
power at 4 Ohms or up to 100 Watts
RMS power per channel at 8 Ohms
4- to 6-channel aftermarket radio
with pre-amplifier outputs
Figure 1:
Jumper J 1 & J 2
Jumper J 3 & J 4
For further applications please contact your HELIX specialist dealer.
34
Jumper positions
Ex factory jumper positions
(see fig. 1)
Extended adjustment range
(see fig. 2)
Ex factory jumper positions
(see fig. 1)
Figure 2:
Jumper J 1 & J 2
Jumper J 3 & J 4
Position Gain control (10)
11 V (delivery status)
Typically max. CCW position
Typically delivery status (3 V);
max. CCW position for radios
with 4 Volts output voltage;
max. CW position for radios with
1 Volt output voltage