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12-Channel DMX/RDM Decoder

Important: Read all instructions prior to installation.

DS-DMX125

4400 Earth City Expy, St. Louis, MO 63045          

866-590-3533            superbrightleds.com

Rev Date: V2.2 08/28/2020

User Manual

5yr

General Operation

DMX Decoder Mode Settings

Safety and Notes

•  Product should be installed and serviced in accordance with applicable national, 

state, and local building and electrical codes.

•  To reduce the risk of electric shock, ensure that the main power source and circuit 

breakers are switched off before performing any installation or wiring procedures.

• 

A DMX signal amplifier will be required if more than 32 decoders are connected or if 
using excessively long signal wiring. No more than five signal amplifiers should be 

used in series. 

• 

If recoil effect occurs because of long signal wires or bad signal quality, try to connect 
0.25 W 90–120 Ω terminal resistor at the end of each DMX signal line. 

Check product label for specific electrical 
specifications related to installation. 
Improper installation will void warranty.

1. 

Press the MODE button to switch between DMX decoder mode, dimmer mode, and 

RGB controller mode. 

2. 

Press the SETUP button to enter settings for the selected mode, and press again to 

switch between settings when there are more than one. Once the desired setting is 

selected, press < or > buttons to adjustment. 

3.  Hold the SETUP button for several seconds or wait 30 seconds to leave setting. 

4. 

Simultaneously hold the M and > buttons for 3 seconds to enter self-testing. 

5.  Hold the < and > buttons for 3 seconds to restore factory default settings. 

• 

DMX decode start address range is from 001–999 

• 

DMX decode modes are DIM (1 channel, single color), CCT 

(2 channel, color temperature), and RGB (3 channel) 

• 

Output PWM frequencies are Low (250 Hz), Mid (500 Hz), 

Std (2 kHz), and High (8 kHz)

 

Note: Higher PWM frequency will cause lower output 

current and higher noise, but is more suitable for camera 

(less flicker). 

• 

Grey level can be set to 8 bit or 16 bit depending on DMX 

master support.

• 

Output dimming curve can be set to standard (Gamma 1.6), 

linear, or manually set from 0.1–9.9 for 

 

special requirements.

100 %

 

 

1.0

 

Output

 

Brightness

 

0.8

 

0.9

 

1.5

 

 

<1

 

>1

 

 

2.5

 

6.5

 

3.5 

Gamma 

Value

 

0

 

DMX Value

 

255

 

12-Channel Dimming

Each dimming channel has an adjustable brightness setting from 0–255. Press < or > button to switch between 

pages, each containing three dimming channels.

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