12
User ManUal
912400575001UM
w w w.VA R i - L i T E .c o M
•
At last unit, the DMX cable has to be terminated with a terminator. Solder a 120
Ω
1/4W resistor between
pin 2(DMX-) and pin 3(DMX+) into a 5-pin XLR-plug and plug it in the DMX-output of the last unit.
•
Connect the unit together in a `daisy chain` by XLR plug from the output of the unit to the input of the
next unit. The cable can not branched or split to a `Y` cable. DMX 512 is a very high-speed signal. Inad-
equate or damaged cables, soldered joints or corroded connectors can easily distort the signal and shut
down the system.
•
The DMX output and input connectors are pass-through to maintain the DMX circuit, when one of the
units’ power is disconnected.
•
Each lighting unit needs to have an address set to receive the data sent by the controller. The address
number is between 0-511 (usually 0 & 1 are equal to 1).
•
The end of the DMX 512 system should be terminated to reduce signal errors.
•
5 pin XLR: Pin 1: GND, Pin 2: Negative signal (-), Pin 3: Positive signal (+), Pin 4/Pin 5: Not used.
MAiNTENANcE
TRoUBLESHooTiNG
Following are a few common problems that may occur during operation.
The unit does not work - light and fan do not turn on.
•
Check the connection of power and main fuse.
•
Measure the mains voltage on the main connector.
Not responding to DMX controller
•
DMX LED should be on. If not, check DMX connectors, cables to see if link properly.
•
If the DMX LED is on and no response to the channel, check the address settings and DMX polarity.
•
If you have intermittent DMX signal problems, check the pins on connectors or on PCB of the unit or the
previous one.
•
Try to use another DMX controller.
•
Check if the DMX cables run near or run alongside to high voltage cables that may cause damage or inter-
ference to DMX interface circuit.
cLEANiNG
The cleaning of internal must be carried out periodically to optimize light output. Cleaning frequency depends
on the environment in which the fixture operates: damp, smoky or particularly dirty surrounding can cause
greater accumulation of dirt on the fixture’s optics.
•
Clean with soft cloth using normal glass cleaning fluid.
•
Always dry the parts carefully.
•
Clean the external optics at least every 30 days.
TEcHNicAL SPEcFicATioNS
Refer to the product data sheet available for download on
www.vari-lite.com
.
