Gravis Series Rear Panel And Function Description - Montarbo GRAVIS SERIES User Manual

GRAVIS series rear panel function description:
CAUTION
!
RISK OF ELECTRIC SHOCK
DO NOT OPEN
ATTENTION:
RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
T12AL 250V
CAUTION:
REPLACE ONLY WITH
SAME TYPE FUSE!
~230V/50Hz/4500W
1. Fuse holder(230V)
This fuse holder contains a standard fuse, which is used to protect amplifier from damages. If the
amplifier is connected to power supply but Power ON LED is not lit, please check the fuse status.
If you found the fuse broken, you must replace it with a same specification fuse.
2. Air exit
This part is the air exit. Don't obstruct it.
3. Input sensitivity selection by dip switches, with three settings:
Whole system signal gain 32dB - CH1 switches (3-4) ON; CH2 switches (1-2) ON.
Whole system signal gain 1.0V CH1 switch 4 ON, switch 3 OFF; CH2 switch 2 ON, switch 1 OFF.
Whole system signal gain 0.775V CH1 switches (3-4) OFF; CH2 switches (1-2) OFF.
4. CH1 LINK socket
CH1 LINK socket is a male XLR in parallel connection with CH1 female XLR, providing an output
signal similar to the input.
5. CH1 XLR input
This XLR input is a balanced input, to be connected to sound source equipment.
6. CH1 Binding post output
Connect red color binding post to the positive pole of speaker. Connect black color binding post to
the negative pole of speaker. In bridge mode, connect red color binding post to speaker positive
connector.
7. CH1 SPEAKON output
There are two ways to use this Speakon output connector:
1) In Stereo or Parallel modes: 1+ connects the positive pole; 1- connects the negative pole.
2) In Bridge mode: 1+ connects to positive pole, 2+ connects to negative pole.
8. Power cord
This is the mains cord. Before plugging it to a AC power supply, please kindly check whether the
amplifier marked voltage is conform to local voltage or not. Then connect the power cord to a mains
plug conform to local mains socket.
CH1 LINK CH1 INPUT
INPUT SENSITIVITY
3 3
4
CH1
3
CH2 2
1
32dB 1.0V 0.775V
OPERATION MODE
PARALLEL
BRIDGE STEREO
4
3
3 3
CH1 2
1
CH2
ON OFF
SOFT
CH2 LINK CH2 INPUT
CLIPPING
4
Made in China under license of MONTARBO ELETTRONICA S.r.l - ITALY
CH1 OUTPUT
CH2 OUTPUT