DMX512 Decoder
(with Stand-Alone)
GC-2103DMX-DIN
greenimagetech.com
105 8288 N Fraser Way
Burnaby BC, V3N 0E9
T: (604) 207-9879
F: (604) 207-6992
© Green Image Tech, LTD. All rights reserved. We reserve the right to change design, materials
and finish in any way that will not alter installed appearance or reduce function and performance.
Using Instruction
Set DMX address
Press 1
st
button for 2 seconds, digital display flashes to set the required
DMX address, then press any button for >2 seconds to confirm.
Choose PWM frequency
Press and hold 1
st
and 3
rd
button for 2 secs, digital display will flash to
show P_c. P means PWM frequency. To change, press the 1
st
button. If
display reads "1", it is at 1500Hz, "2" is at 200Hz. C means dimming
options. To change, press the 3
rd
button. If display reads "1", it is using
logarithmic dimming, "2" uses linear dimming.
The preset default is PWM frequency 200Hz with linear dimming (2_2).
Operation of switching 3 or 4 channels
Use the following buttons to set desired DMX512 address: “1” sets
“hundredths” position, “2” sets “tenths” position, “3” sets “ones”.
Ensure a stable connection for the DMX512 controller to work properly.
Choose Channel
Press 2
nd
and 3
rd
button at the same time for 2 seconds, digital display
will flash cH, then press 1
st
button to choose 1/2/3/4, each corresponds
to how many desired channels (3 creates 3 channels, and so on). Press
and hold any button for >2 seconds to confirm 1,2,3 or 4 channels.
The factory preset default is 4 channel outputs.
“3” button
“2” button
“1” button
Wiring Diagram
