background image

 
                               

 

 

 

Page 

 

of 

 

 

 

 

 

 

 

 

 

 

 

 

 

FXLD548C4O LED FIXTURE 

 

Version 0.1  

 

 

 

 

 

 

 

 

 

OWNERS MANUAL   

 

 

 

 

 

 

 

 

       

02/15/2012 

www.lightronics.com 

Lightronics 

Inc. 

        509 

Central 

Drive 

 

Virginia 

Beach, 

Va 

 

234354 

        

 

 

757 

486 

3588

 

DMX CONNECTIONS 

 

The FXLD548C4O has permanent DMX in and DMX 
out cables.  Two DMX adapter cables are also supplied 
to enable the use of 3 pin XLR connections. 

 

A system using DMX control should be connected as a 
chain of devices.  In other words the control signal 
cable should proceed from the controller to the first 
 receiving device and then to others in a continuous 
"daisy chain" fashion.  The control cable should NOT 
be split into a multiple run star arrangement with a 
cable running from the controller directly to each 
receiving device. 

 

DMX CONNECTOR PIN ASSIGNMENTS 

 

There are normally two different connectors used for 
DMX control. They are both XLR type connectors.  
Some units use 3 pin connectors. Others use 5 pin 
connectors. The FXLD548C4O

 

receives a DMX signal 

on the 3 pin MALE connector on one side of the unit.  
The 3 pin FEMALE connector is used to connect the 
next DMX device on the control chain.  If your console 
uses a 5 pin connector you can make up an adapter 
cable to convert. The table below shows the pin 
assignments for BOTH the 3 pin and 5 pin connectors. 

 

The permantly attached DMX in and DMX out cables 
are not XLR connectors but follow the same pin 
assignments as 3 pin XLRs. 

 
 
 
 
 
 
 
 

DMX TERMINATION 

 

A DMX chain should be terminated at the last 
receiving device on the chain.  This is done by 
installing a commonly available 1/4 Watt, 120 Ohm 
resistor across the DATA - and DATA + wires at the 
last device.  If you have only a few fixtures very close 
together and a very short run to the controller then you 
may be able to operate without the terminator. 

 
 
 
 
 

OPERATION 

 

A control panel on one side of the unit is used to set the 
operating options.  It consists of an LED display and 
four buttons 

(MENU, UP, DOWN, and ENTER)

 

 
 
 
 
 
 
 
 

 
 
 

Push 

MENU

 to access the operating options. Then use 

UP

 

and 

DOWN

 to scroll through the available choices.  

When you reach the option you want to set or change - 
push 

ENTER

.

  Now you can view the current setting 

for the option and/or change it. Push 

ENTER

 to save 

your changes and activate the option.  See the 

"MENU 

NAVIGATION"

 diagram for additional details. 

 

There are 12 operating options:  DMX address, White 
Level, Blue Level, Green Level, Red Level, Flash 
Sequence, Fade Sequence, Auto Sequence, Run 
Program, Program Speed, DMX Mode, and Slave 
Mode. 

 

When the unit is powered on it begins operation in the 
state it was in when the power was last turned off. 

 

DMX ADDRESS SELECTION 

 

Use the 

Addr

 

menu to set the starting address of the 

unit.  You can set the starting address of the unit with 
the 

UP

 and 

DOWN

 buttons. 

 

DMX MODE SELECTION 

 

The FXLD548C4O can operate using an External 
DMX signal in four different configurations (3 
Channel, 4 Channel, 5 Channel, and 8 Channel) 

 

Use the

 

Chnd

  menu to select a DMX Mode. 

 

 

Detailed channel operation in each of the four modes is 
given in the table 

"DMX VALUES AND FUNCTIONS"

 
 
 
 

IN # 

SIGNAL NAME 

1 DMX 

COMMON 

DMX DATA - 

DMX DATA + 

4 NOT 

USED 

5 NOT 

USED 

MENU UP 

DOWN

ENTER 

CONTROL PANEL 

Reviews: