Ground-Lift Switch - LD Systems REVOLVER Série Manuel D'utilisation

8 TREBLE
With the treble control, you can boost or decrease the treble in the output signal by 12dB.
9
MID
With the mid control, you can boost or decrease the mids in the output signal by 12dB. (This function is not
available in the 8" and 10" versions)
10
BASS
With the bass control, you can boost or decrease the bass in the output signal by 12dB.
11 POWER
The power LED lights up green when the unit is on. The red clip LED starts to blink when the amplifier over-
loads, in other words, when signal modulation reaches the clipping range. You should avoid constant blinking
of this LED by reducing the master volume (control no. 7 in the picture) until the clip LED stops blinking.
12

GROUND-LIFT SWITCH

If you connect mains-powered instruments that are grounded by a protective contact to the inputs of the
active speaker,
this can result in hum loops due to double grounding. You can eliminate the resulting low-frequency hum by
activating the ground-lift switch.
13 AC INPUT
This power socket is used to connect the power cord.
14
ON / OFF
On/off switch
SYSTEM FUNCTIONS:
7