1

ON/OFF

Power supply switch.

2

VOLTAGE

If there is insufficient voltage, the LED does not light up.

3

SPEAKER

Speakon socket:

1+, 1- loudspeaker output

2+, 2- control signal input.

4

LIMIT

Audio signal attenuation display. In the case where a control signal error occurs, the display lights up permanently and the audio signal is attenuated.

5

GAIN

Output level control.

6

INPUT

XLR symmetrical input

1 = earth

2 = in phase signal

3 = off phase signal

7

LINK

Output connected in parallel with the input when bi-amplification is used; this Output must be connected to the input signal of the second channel.

8

DRAWER

The plug-in circuit contains the filtering, phase control and gain calibration functions. The selected loudspeaker model is indicated on the front panel along with the selected bandwidth and left-right and low-high functions.

The drawer is maintained in place by a single screw to facilitate any changes.