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LT-3900RF

LED RGB Controller

LT-3900RF

DC12V

DC24V

6A/CH x3 Max 18A

216W/432W(12V/24V)

L211×W40×H30(mm)

L313×W50×H32(mm)

250g

-30

~55

LT-3900RF LED RGB

 

Controller Manual

50m with obstacles:100m without obstacles

LT-3900RF  is  a  multi-function  RGB  controller  that  built-in  32  modes. Adopting  advanced 

PWM  (Pulse-Width  Modulation)  control  technique,  Changing  effect  is  smooth  without 

flicker. Adopting hi-power MOS driver, RGB 3 channels output and total current up to 18A, 

Unique  touch  technique,  Controller  has  8  touch  buttons,  Which  are  used  for  choosing 

power  on  or  off,  pause,  modes  changed,  speed,  LED  brightness,  etc.  Also  can  use  RF 

wireless  remote  control  for  long-distance  control.  The  controller  has  learning  function, 

Which  suits  remote  control  with  different  mode  &  coded  address, Automatically  adapt  to 

DC12-24V  voltage  input,  Suitable  for  major  &  conventional  LED  products,  Such  as  LED 

strip,  LED  module.  Etc.  Simply  put,  As  long  as  low  voltage  LED  lights  whose  current 

limited by resister. Then LT-3900RF can control.

RoHS

COMPLIANT

warranty

3 years

ISO9001:2008

LT-3900RF LED RGB

 

Controller Manual

1.    Technical Specs

Input voltage

Max. load current

Max. load power

Grey scale

Product Size

Packing size

Weight (G.W.)

Working temperature

Mating power supply

Remote control distance

CV LED Power Supply

256 steps per RGB

ON/OFF, PAUSE, MODE+, MODE-, SPEED+, 

BRT+, BRT-

SPEED-, 

ON/OFF

PAUSE

MODE+
MODE-

SPEED+
SPEED-

ON/OFF:

BRT+
BRT-

2

M

M

S

B

S

B

1

2

3

4

4 DIY 
keys

Remote operations

:

H

H

H

H

H

H

4

0

m

m

3

0

m

m

1

6

m

m

15mm

10mm

10mm

203mm

2

0

m

m

211mm

2.    Product size  

3.  Detailed key functions

These 8 buttons correspond to the first 8 buttons on remote control.

There are 8 touching function buttons on the controller

:

Controller sign

Button

Description

Remote control sign

PAUSE

Press it to rest at current color.

Press it again, it will continue to change

Turn on/off the Led light

Press button ON/OFF on the controller for 3 seconds, it is on the state of 
addressing when RF green indicator light is on. Then press any button on remote 
control, the indicator light turns off, the controlling between the remote control and 
controller is activated. Press again the button ON/OFF on controller for 5 seconds. 
The RF green indicator light is on and then off, Press any button on remote control, 
the RF green indicator light start flickering, it means the controlling between 
remote control and controller is cancelled.

MODE+ MODE-

/

Press them to select next mode or back to previous mode
Press MODE+ or press MODE- in 3s to enter cycle mode

SPEED+

/

SPEED-

Press them to quicken or slower speed, press SPEED+ or 
SPEED- in 3s, current speed is restored to default status

Press them to increase or decrease brightness, press any 
one in 3s, current brightness is restored to default status

BRT+/BRT-

Pressed-in 3s, the controller will save the present changing 

mode automatically. Can save 4 modes, can be saved 

repeatedly. Press “PLAY” key to play cycle modes

 

(merely 

play the dynamic

 

effects,

 

the static effects will be skipped 

automatically

)

.

1

ZHUHAI LTECH ELECTRONIC TECHNOLOGY CO.,  LTD.

WWW.LTECHONLINE.COM 

[email protected] 

Tel: +86 756 620 8823

Fax: +86 756 620 8833

LTECH

LTECH

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