LDM231-251 Introduction

Package Contents

• Standard Installation (the System Control Box installed Under the Cabinets)
• 
  Installation Guide
• 
  8 x Cabinet Sections
  
• 
  296 x LED Modules
• 
  Screen Bezels
  5 x Left & 5 x Right
• 
  System Control Box
• 
  1 x System Control Box Connector Plate
• 
  Maintenance Tool
  P/N:LD-MK-004
• 
  Wall Mount Brackets
  8 x 1199 mm
• 
  6 x Wall Mount Connector Plates
• 
  Nuts and Bolts
• 
  Hand Tools
• 
  2 x Anti-Static Gloves
• 
  2 x Power Cords
• 
  1 x Romote Control
  With two AAA batteries
• 
  1 x IR Extension Cable
• 
  1 x USB Thumb Drive

• Hidden Installation (the System Control Box installed Behind the Cabinets)
• 
  Screen Bezels
  6 x Bottom
• 
  Wall Mount Brackets
  6 x 1335 mm
• 
  2 x Upper System Control Box Mount Brackets
• 
  2 x Lower System Control Box Mount Brackets
• 
  24 x Cable Zip Ties
• 
  Power Cables
  2 x One-to-Three
  1 x One-to-Two
• 
  4 x Network Cables (3.5 m)

Note:

• This product is packed in a wooden crate.
• Due to the size and weight, it is recommended that two or more people handle it.
• You can identify the contents inside the case by the product labels on it.

Product Overview

Front Panel

Rear Panel

Control Panel and I/O

Control Panel and I/O

Number	Port	Description
1	Light Sensor	Ambient light sensor.
2	IR Receiver	Receiver for remote control signal.
3	USB Type C	USB 2.0 support (5V/1.0A).
4	USB 3.0	USB Reader (5V/0.9A).
5	USB 2.0	USB Reader (5V/0.5A).
6	Menu	Open the display settings or On-Screen Display (OSD) Menu.
7	Brightness/OK	Brightness adjustment button. Confirm selection when the OSD Menu is open.
8	Brightness Decrease	Decrease the brightness level.
9	Brightness Increase	Increase the brightness level.
10	Power	Power on, standby and wake button.
11	Indicator Light	Power status indicator light.
12	HDMI 4	4 High definition input: PIP/PBP, connect to PC with HDMI output, set-top box, or other video device.
13	Audio Out	Audio output to an external audio device.

I/O Ports

Item		Description
1	S/PDIF Out	Multi-channel optical audio signal.
2	Audio OUT	Audio output to an external speaker.
3	LAN	Standard RJ45 (10M/100M/1000M) Internet connection interface.
4	RJ45	Standard RJ45 control connection interface.
5	HDMI 1/2/3	High definition input: PIP/PBP ,connect to PC with HDMI output, set-top box, or other video device.
6	HDMI Out	Extend the display's content out to another display device.
7	USB 2.0	USB Type A port for power (5V/2A).
8	HDMI IN 1.4	High definition input: PIP/PBP ,connect to PC with HDMI output, set-top box, or other video device. NOTE: This port can also be accessed without removing the System Control Box Cover.
9	Audio Out	Audio output to an external audio device. NOTE: This port can also be accessed without removing the System Control Box Cover.
10	IR Extension	Connection point for an extended IR receiver.
11	RS-232	Serial control port.
12	Control Board Switch	Control switch for the control board. NOTE: Make sure to switch to the left for RS-232 control.