View source for LDM231-251 Introduction

<noinclude>
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  <div class="item1" style="text-align:center; font-size:16; background-color:#DB0025; font-weight:bold; color:#ffffff;">{{PAGENAME}}</div>
  <div class="grid-item">[[LDM231-251_Introduction|Introduction]] </div>
  <div class="grid-item">[[LDM231-251_Remote_Control|Remote Control]] </div>
  <div class="grid-item">[[LDM231-251_Wall_Installation|Wall Installation]]</div>
  <div class="grid-item">[[LDM231-251_Connecting_Devices|Connecting Devices]]</div>
  <div class="grid-item">[[LDM231-251_Using_the_Display|Using the Display]]</div>
  <div class="grid-item">[[LDM231-251_On-Screen_Display_Menu|On-Screen Display Menu]]</div>
  <div class="grid-item">[[LDM231-251_Pre-installed_Applications|Pre-installed Applications]]</div>
  <div class="grid-item">[[LDM231-251_Specifications|Specifications]]</div>
  <div class="grid-item">[[LDM231-251_Regulatory_and_Service_Information|Regulatory and Service Information]]</div>
  <div class="grid-item"><span class="newwin">[[LDM_RS-232_Protocol|'''RS-232 Protocol''']]</span></div>
  <div class="grid-item"><span class="newwin">[[Direct_View_LED_Display_Safety_Precautions|'''Safety Precautions''']]</span></div>
  <div class="grid-item"><span class="newwin">[[Direct_View_LED_Display_Troubleshooting|'''Troubleshooting''']]</span></div>
  <div class="grid-item"><span class="newwin">[[Direct_View_LED_Display_General_Maintenance|'''Maintenance''']]</span></div>
  <div class="grid-item"><span class="newwin">[[Maintenance_Tools|'''Maintenance Tools''']]</span></div>
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=Package Contents=
{{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.
}}

<gallery caption="Standard Installation (the System Control Box installed Under the Cabinets)">
LDM231-251 IG.png | <div style="font-style:normal; text-align:center;">Installation Guide</div>
LDM231-251 Cabinets.svg | <div style="font-style:normal; text-align:center;"> 8 x Cabinet Sections<br></div>
LDS135-151_LED_Module.svg | <div style="font-style:normal; text-align:center;">296 x LED Modules<ref>The quantity of spare LED modules varies by country.</ref></div>
LDM231-251 Screen Bezels Sides.svg | <div style="font-style:normal; text-align:center;">Screen Bezels,<br>5 x Left & 5 x Right<br> 2 x Bottom</div>
LDM231-251 SCB.svg | <div style="font-style:normal; text-align:center;">System Control Box</div>
LDM231-251 Connector Plate.svg | <div style="font-style:normal; text-align:center;">1 x System Control Box Connector Plate</div>
LD-MK-004.svg | <div style="font-style:normal; text-align:center;">Maintenance Tool<br>(P/N:LD-MK-004)</div>
LDM231-251 Wall Mount Brackets STD.svg | <div style="font-style:normal; text-align:center;">Wall Mount Brackets,<br> 8 x 1199 mm</div>
LDM231-251 Wall Mount Connector Plate.svg | <div style="font-style:normal; text-align:center;">6 x Wall Mount Connector Plates</div>
LDM231-251 Nuts and Bolts.svg | <div style="font-style:normal; text-align:center;">Nuts and Bolts</div>
LDM231-251 Hand Tools.svg | <div style="font-style:normal; text-align:center;">Hand Tools</div>
LDS135-151_Gloves.svg| <div style="font-style:normal; text-align:center;">2 x Anti-Static Gloves</div>
LDP216-251_Power_Cord.svg| <div style="font-style:normal; text-align:center;">2 x Power Cords<ref>Power consumption is large, so two power cords and two dedicated power outlets are required.</ref></div>
LDM 231-251 Remote Control.svg | <div style="font-style:normal; text-align:center;">1 x Romote Control<br>With two AAA batteries</div>
LDP216-121_IR_Cable.svg| <div style="font-style:normal; text-align:center;">1 x IR Extension Cable</div>
M2_Dongle.png| <div style="font-style:normal; text-align:center;"> 1 x USB Thumb Drive</div>
</gallery>

<gallery caption="Hidden Installation (the System Control Box installed Behind the Cabinets)">
LDM231-251 Screen Bezels Bottom.svg | <div style="font-style:normal; text-align:center;">Screen Bezels,<br> 6 x Bottom</div>
LDM231-251 Wall Mount Brackets Hidden.svg | <div style="font-style:normal; text-align:center;">Wall Mount Brackets,<br>6 x 1335 mm</div>
LDM231-251 Upper SCB Mount Brackets.svg | <div style="font-style:normal; text-align:center;">2 x Upper System Control Box Mount Brackets</div>
LDM231-251 Lower SCB Mount Brackets.svg | <div style="font-style:normal; text-align:center;">2 x Lower System Control Box Mount Brackets</div>
LDM231-251 Cable Zip Ties.svg | <div style="font-style:normal; text-align:center;">24 x Cable Zip Ties</div>
LDM231-251 Power Cables Hidden.svg | <div style="font-style:normal; text-align:center;">Power Cables,<br>2 x One-to-Three &<br>1 x One-to-Two</div>
LDP216-121_LAN_Cable.svg| <div style="font-style:normal; text-align:center;">4 x Network Cables (3.5 m)</div>
</gallery>

===Notes===
<references/>

=Product Overview=
==Front Panel==
<div class="res-img">[[File:LDM231-251 Front View.png |550px|alt=Front Panel View]]</div>
==Rear Panel==
<div class="res-img">[[File:LDM231-251 Rear View.png |550px|alt=Rear Panel View]]</div>
=Control Panel and I/O=
==Control Panel==
<div class="res-img">[[File:LDM231-251 Control Panel and IO.png |550px|alt=LDM231-251's Control Panel and I/O]]</div>

{| class="wikitable" style="text-align:center; background-color:#ffffff;" width="60%"
|- 
! style="font-weight:bold; background-color:#DB0025; color:#ffffff; width:10%;"| Number
! style="font-weight:bold; background-color:#DB0025; color:#ffffff; width:20%;"| Port
! style="font-weight:bold; background-color:#DB0025; color:#ffffff;"| Description
|-
| style="font-weight:bold;" | 1
| '''Light Sensor'''
| style="text-align:left;" | Ambient light sensor. 
|-
| style="font-weight:bold;" | 2
| '''IR Receiver'''
| style="text-align:left;" | Receiver for remote control signal. 
|-
| style="font-weight:bold;" | 3
| '''USB Type C'''
| style="text-align:left;" | USB 2.0 support (5V/1.0A). 
|-
| style="font-weight:bold;" | 4
| '''USB 3.0'''
| style="text-align:left;" | USB Reader (5V/0.9A). 
|-
| style="font-weight:bold;" | 5
| '''USB 2.0'''
| style="text-align:left;" | USB Reader (5V/0.5A). 
|-
| style="font-weight:bold;" | 6
| '''Menu'''
| style="text-align:left;" | Open the display settings or On-Screen Display (OSD) Menu. 
|-
| style="font-weight:bold;" | 7
| '''Brightness/OK'''
| style="text-align:left;" | 
*Brightness adjustment button. 
*Confirm selection when the OSD Menu is open.
|-
| style="font-weight:bold;" | 8
| '''Brightness Decrease'''
| style="text-align:left;" | Decrease the brightness level. 
|-
| style="font-weight:bold;" | 9
| '''Brightness Increase'''
| style="text-align:left;" | Increase the brightness level. 
|-
| style="font-weight:bold;" | 10
| '''Power'''
| style="text-align:left;" | Power on, standby and wake button. 
|-
| style="font-weight:bold;" | 11
| '''Indicator Light'''
| style="text-align:left;" | Power status indicator light. 
|-
| style="font-weight:bold;" | 12
| '''HDMI 4'''
| style="text-align:left;" | 4 High definition input: PIP/PBP, connect to PC with HDMI output, set-top box, or other video device. 
|-
| style="font-weight:bold;" | 13
| '''Audio Out'''
| style="text-align:left;" | Audio output to an external audio device.
|}

==I/O Ports==
<div class="res-img">[[File:LDM231-251 IO Ports.png |550px|alt=LDM231-251's I/O ports]]</div>

{| class="wikitable" style="text-align:center; background-color:#ffffff;" width="60%"
|- 
! colspan="2" style="font-weight:bold; background-color:#DB0025; color:#ffffff;" | Item
! style="font-weight:bold; background-color:#DB0025; color:#ffffff;"| Description
|-
| style="font-weight:bold;" | 1
| '''S/PDIF Out'''
| style="text-align:left;" | Multi-channel optical audio signal.
|-
| style="font-weight:bold;" | 2
| '''Audio OUT'''
| style="text-align:left;" | Audio output to an external speaker.
|-
| style="font-weight:bold;" | 3
| '''LAN'''
| style="text-align:left;" | Standard RJ45 (10M/100M/1000M) Internet connection interface.
|-
| style="font-weight:bold;" | 4
| '''RJ45'''
| style="text-align:left;" | Standard RJ45 control connection interface.
|-
| style="font-weight:bold;" | 5
| '''HDMI 1/2/3'''
| style="text-align:left;" | High definition input: PIP/PBP ,connect to PC with HDMI output, set-top box, or other video device.
|-
| style="font-weight:bold;" | 6
| '''HDMI Out'''
| style="text-align:left;" | Extend the display's content out to another display device.
|-
| style="font-weight:bold;" | 7
| '''USB 2.0'''
| style="text-align:left;" | USB Type A port for power (5V/2A).
|-
| style="font-weight:bold;" | 8
| '''HDMI IN 1.4'''
| style="text-align:left;" | <p>High definition input: PIP/PBP ,connect to PC with HDMI output, set-top box, or other video device.</p>
:'''NOTE:''' This port can also be accessed without removing the System Control Box Cover.
|-
| style="font-weight:bold;" | 9
| '''Audio Out'''
| style="text-align:left;" | <p>Audio output to an external audio device.</p>
:'''NOTE:''' This port can also be accessed without removing the System Control Box Cover.
|-
| style="font-weight:bold;" | 10
| '''IR Extension'''
| style="text-align:left;" | Connection point for an extended IR receiver.
|-
| style="font-weight:bold;" | 11
| '''RS-232'''
| style="text-align:left;" | Serial control port.
|-
| style="font-weight:bold;" | 12
| '''Control Board Switch'''
| style="text-align:left;" | <p>Control switch for the control board.</p>
:'''NOTE:''' Make sure to switch to the left for RS-232 control.
|-
|}


{{#seo:
|title=ViewSonic Direct View LED Display
|title_mode=append
|keywords=LDM231-251, Direct View LED, Introduction, Package Contents, Product Overview, I/O, Control Panel
|description=An introduction to the LDM231-251 Direct View LED display.
}}

[[Category:LDM231-251]]