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LD Systems PRE 2 Manuel D'utilisation page 8

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CONNECTIONS, OPERATING AND DISPLAY ELEMENTS
2
1
POWER IN
1
Low voltage socket for supplying power to the device. To avoid damage to the device, please use only
the original power supply (power supply unit included).
STRAIN RELIEF
2
Use the strain relief for the flexible cable of the power supply unit to protect the low voltage socket,
the low voltage plug and the cable of the power supply unit from damage and to prevent the plug
from being pulled out unintentionally.
MIC IN
3
Microphone input with 3-pole terminal block connection (terminal block included).
The poles +, - and G are intended for the balanced input signal.
GAIN
4
Control for adjusting the pre-amplification of the microphone input signal. Adjust the gain control so
that the corresponding clip LED only lights up briefly during signal level peaks. If the clip LED lights up
permanently, reduce the gain. If necessary, the signal level can be attenuated by 20 dB (see section 10
SETTINGS)
CLIP
5
The red CLIP LED lights up when the input is operated at the distortion threshold.
Reduce the signal level using the GAIN control so that the CLIP LED no longer lights up.
VOX
6
The VOX control allows you to set an audio threshold for an automatic mute circuit that mutes the line
inputs LINE IN 1 and 2 if the microphone input signal reaches the predefined level. When the input level
of the microphone channel falls below the set threshold again, the muting of the line inputs is cancelled.
Adjust the channel volume using the MIC VOLUME control on the front of the unit.
LINE IN 1 + 2
7
Analogue line inputs with balanced terminal block connections. The +, - and G poles are for the balanced
input signal (suitable for unbalanced cabling). Terminal blocks are included in the packaging content.
8
8
7
5
6
4
3
ON
10
1 2 3
9

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