LDM231-251 Using the Display

Power On/Off your LED Display

1. Ensure the power cord is connected and plugged into a power outlet.
2. Press the Power    button to turn on the display.
3. To turn the LED display off, press the Power    button again.

Home Screen

Number	Item	Description
1	Main Menu	Access the Home Screen, APP Center, Settings, and Input Source.
2	Time of Day Indicator	The sky will change over the day between morning, noon, afternoon, and night.
3	Quick Access	Quick access to LAN, Wi-Fi, Brightness, and Power. NOTE: Only supported by keyboard and mouse.
4	Date & Time	Automatic time adjustment, time zone selection, and 24-hour format can all be adjusted. The Date & Time can also be hidden from the Home Screen under: Settings > Display > Launcher Settings
5	ViewSonic Logo	The logo can be hidden from the Home Screen under: Settings > Display > Launcher Settings

Navigating the Home Screen

Remote Control

The remote control can be used to easily navigate the Home Screen. When using the remote control, ensure it is kept within the IR receiver range as shown below:

Keyboard and Mouse

When connected to the USB Type-A port of the display, a keyboard and mouse can also be used to navigate the Home Screen.

The mouse pointer will appear as an orange dot on the display when used:

• The left mouse button will confirm actions.
• The right mouse button will go back to the previous layer.
• Keyboard shortcuts and hot keys are also supported, including: audio adjustment, mute, and back to the Home Screen.

APP Center

Installed applications will be in the App Center.

Icon	Name	Description
	Browser	Web browser
	Display	Wirelessly mirror your desktop
	EAirplay	AirPlay mirroring
	EnterpriseAgent	Device management
	File Manager	File explorer
	Manager	Remote device management
	Revel Digital Signage	Manage digital signage
	SureMDM Nix	Secure, monitor, and manage devices
	WPS Office	Create documents, spreadsheets, and presentations
	vCastReceiver	Receive casted content from devices
	vSweeper	Clear up storage space

Note: Preloaded applications are subject to change without notice.

Input Source

The display supports eight input sources: Home, HDMI 1,HDMI 2, HDMI 3, HDMI 4, HDMI 5, HDMI 6, and USB C.

Settings

Adjust and view the display's settings.

• 
• 

Menu	Description
Network & Internet	View and adjust Wi-Fi, Ethernet, and Potable Hotspot.
Connected Devices	View and adjust Connected Devices.
Apps & Notifications	View and adjust App Info., App Permissions, and Default Apps.
Display	View and adjust Brightness Level, Ambient Light Sensor, Font Size, Startup & Shutdown, Input Setting, and Launcher Settings.
Sound	View and adjust Media Volume.
Storage	View and adjust Device Storage.
System	View and adjust Languages & Input, Date & Time, Dehumidification, Reset, and About Device.
Upgrade	View and adjust OTA Upgrade and Local Update.

Settings Menu Tree

Network & Internet

Sub-menu	Menu Option
Wi-Fi	Wi-Fi	On
		Off
	Wi-Fi List	Add Network
	Wi-Fi Preference	Open Network Notification	On
			Off
		Keep Wi-Fi On During Sleep
		Advanced
Ethernet	Ethernet IP Mode	DHCP
		STATIC
	Ethernet Details
Portable Hotspot	Portable Wi-Fi Hotspot	On
		Off

Connected Devices

Sub-menu	Menu Option
Connected Devices	On
	Off
Device Name	ViewSonic DvLED

Apps

Sub-menu	Menu Option
App Info.	Installed Apps	Disable
		Force Stop
App Permissions	Calendar
	Location
	Microphone
	Storage
Default Apps	Browser
	Home

Display

Sub-menu	Menu Option
Brightness Level	(-/+, 1~8)
Ambient Light Sensor	On
	Off
Font Size	(-/+, 1~4)
Startup & Shutdown	Splash Screen	Default
		ViewSonic
		Black
		Blue
	Last Shutdown Channel	On
		Off
	Default Startup Channel	Home
		HDMI 1
		HDMI 2
		HDMI 3
		HDMI 4
		HDMI 5
		USB C
		HDMI 6
		APP (Display)
		APP (vCastReceiver)
	Standby Mode	Hibernate
		Sleep
	Splash Screen	ViewSonic
		Black
		Blue
Input Setting	Input Alias	HDMI 1	Display
			Hide
		HDMI 2	Display
			Hide
		HDMI 3	Display
			Hide
		HDMI 4	Display
			Hide
		HDMI 5	Display
			Hide
		USB C	Display
			Hide
		HDMI 6	Display
			Hide
	Signal Source Detect	Enable
		Disable
Launcher Settings	ViewSonic Logo	On
		Off
	Date & Time	On
		Off
	Theme
Other Display Settings	Custom Resolution	Width
		Height
	Custom DPI	(-/+, 100~240)
	Custom Wallpaper
Boot Logo Settings

Sound

Sub-menu	Menu Option
Media Volume	(-/+, 0~100)

Storage

Sub-menu	Menu Option
Device Storage	Internal Shared Storage	Storage Manager	On
			Off
		Photos & Videos
		Music & Audio
		Games
		Movie & TV

System

Sub-menu	Menu Option
Language & Input	Languages	English
		French
		Spanish
		German
		Russian
		Dutch
		繁体中文
		简体中文
		Turkish
		Arabic
	Virtual Keyboard	Remote Control Input Method
		Manage Keyboards
Timer Setting	Shutdown Time	Repeat	Off
			Once
			Everyday
		Time
	Power On Time	Repeat	Off
			Once
			Everyday
		Time
	Sleep Timer	Off/1/10/20/30/40/50/60/90/120 minute(s)
	Power Saving	On
		Off
	Standby Mode	Hibernate
		Sleep
Date & Time	Automatic Date & Time	On
		Off
	Select Time Zone
	Use 24-hour Format	On
		Off
Dehumidification	Settings	On
		Off
	Automatic Reminders	On
		Off
	Begin Dehumidification Now	On
		Off
	Scheduled	On
		Off
Reset	Network Settings Reset
	Reset App Preferences
	Factory Data Reset
About Device	Status
	Legal Information
	Model
	Kernel Version
	Build Number
	Total Time

Upgrade

Sub-menu	Menu Option
OTA Upgrade	OTA Cloud Server
Local Update	sda1
	SDcard

Network & Internet

Sub-menu	Description
Wi-Fi	Select Wi-Fi to enter the Wi-Fi selection interface. Then select the desired Wi-Fi network and enter the password. You can select Add Network in the Wi-Fi selection screen to manually add a Wi-Fi network. Select Wi-Fi Preferences to view Wi-Fi usage preferences, Wi-Fi connection tips, etc.
Ethernet	Select Ethernet to enable/disable Ethernet, review DNS, and IP mode.
Portable Hotspot	Enable/disable Portable Wi-Fi Hotspot under Portable Hotspot.

Connected Devices

Enable/disable device connection, review connected devices, and search and connect to other devices.

Apps & Notifications

Sub-menu	Description
App Info.	Select App Info to view installed applications and their detailed information. You can also disable the app, review notifications and permissions, and adjust further settings.
App Permissions	Select App Permissions to manage various application permissions.
Default Apps	Select your default applications.

Display

Sub-menu	Description
Brightness Level	Adjust the brightness level by eight levels.
Ambient Light Sensor	Detects ambient light and adjusts brightness levels automatically.
Font Size	Preview and adjust the font size on the display.
Startup & Shutdown	Startup Channel Last Shutdown Channel: Start in the channel that was last used before the previous shutdown. Default Startup Channel: Select a specific startup channel (Home, HDMI 1/2/3/4/5/6, USB C, APP(Display), APP(vCastReceiver)). Standby Mode Hibernate: Power off the screen only. Sleep: Power down the display to minimal power consumption (0.5W). Splash Screen Change the boot screen to black, blue, or the ViewSonic logo.
Input Setting	Input Alias Switch Display or hide the input source. Signal Source Detect Enable or disable HDMI input detection. U Disk Detect Enable or disable U Disk input detection.
Launcher Settings	ViewSonic Logo Display or hide the ViewSonic logo on the Home Screen. Date & Time Display or hide the date and time on the Home Screen. Theme Choose from seven included themes for the Home Screen.
Other Display Settings	Adjust the Resolution, DPI, wallpaper and other display settings.

Sound

Sub-menu	Description
Media Volume	Adjust the volume level of the display.

Storage

Sub-menu	Description
Internal Shared Storage	Internal storage allocation.

System

Sub-menu	Description
Languages & Input	Languages Language selection. Virtual Keyboard Select your input method.
Timer Setting	Shutdown Time Repeat Select the time and frequency for shutting down the display. Power ON Time Repeat Select the time and frequency for powering ON the display. Sleep Timer Set the amount of time before entering sleep mode. Power Saving Select when to enable power saving mode. Standby Mode Choose between Hibernate and Sleep modes.
Date & Time	Automatic Date & Time Enable or disable automatic time adjustment. Select Time Zone Choose your appropriate time zone. Use 24-hour Format Enable or disable 24-hour time format.
Dehumidification	Start and adjust dehumidification settings.
Reset	Network Settings Reset Reset current network settings. Reset App Preferences Reset current app preferences. Factory Data Reset Restore the display to default factory settings.
About Device	View information about the display.

Upgrade

Sub-menu

Description

OTA Upgrade

Auto Update Automatically apply updates as they become available or schedule the default update date and choose “Hibernate” as the Standby Mode, and the system will automatically update the schedule after shutdown. Manual Update Check Update: The system will check for the latest FW automatically. If a new FW version is found, confirm the new FW is needed and then manually run the update. Local Update: Plug in a USB drive with the FW update in .zip format and run the .zip file to update the FW.