Package Contents

Touch Display
Power cord
HDMI cable
USB 2.0 upstream cable (Type B to Type A)
Quick start guide

Front View / Rear View

Front View
Rear View

Letter	Item
A	Display Screen
B	Magnetic Point
C	Power LED
D	Control Panel Keys
E	Security Slot

I/O Ports

Number	Item
1	USB Type A (Downstream)
2	USB Type B (Upstream)
3	AC IN
4	HDMI
5	DVI
6	VGA
7	Audio In
8	Audio Out

Stand Installation

Place the monitor on a flat, stable surface with the screen facing down.
With one hand applying downward pressure on the monitor, carefully lift and extend the stand.
Lift the device into its upright position on a flat, stable surface.

Extend the stand
Lift into an upright position

Always place the device on a flat, stable surface. Failure to do so may cause the device to fall and damage the device and/or result in personal injury.

Wall Mounting

Refer to the table below for the standard dimensions for wall mount kits.

For use only with a UL certified wall mount kit/bracket. To obtain a wall-mounting kit or height adjustment base, contact ViewSonic® or your local dealer.

Maximum Loading	Hole Pattern (W x H)	Interface Pad (W x H x D)	Pad Hole	Screw Specification & Quantity
14 kg	100 x 100 mm	115 x 115 x 2.6 mm	Ø 5 mm	M4 x 10 mm - 4 pieces

Turn off the device and disconnect all cables.
Place the device on a flat, stable surface with the screen facing down.
Unscrew the attached stand and carefully remove it.
Attach the mounting bracket to the VESA mounting holes at the rear of the monitor. Then secure it with four (4) screws (M4 x 10 mm).
Follow the instructions that come with the wall mounting kit to mount the monitor onto the wall.

Connecting to Power

Connect the power cord to the AC IN jack at the rear of the device.
Connect the power cord plug to a power outlet.

Connecting External Devices

Note: To connect the monitor to an external device (PC, laptop…etc.), please use one of the included video cables for your application and connect it to both terminals.

HDMI Connection
DVI Connection
VGA Connection
USB Connection
Audio Connection

HDMI

Connect one end of an HDMI cable to the HDMI port of your monitor. Then connect the other end of the cable to the HDMI port of your computer.

NOTE: The monitor is equipped with one HDMI 1.4 port.

DVI

Connect one end of a DVI cable to the DVI port. Then connect the other end of the cable to the DVI port of your computer.

VGA

Connect one end of a VGA cable to the VGA port. Then connect the other end of the cable to the VGA port of your computer.

USB

Connect one end of a USB cable to a USB port of the monitor. Then connect the other end of the cable to a USB port of your computer.

USB	Number	Description
Type A	Two (2)	Connection for your Type A peripheral device(s) (e.g. storage device). NOTE: To activate the USB Type A port, ensure your computer is also connected to the monitor’s USB Type B port.
Type B	One (1)	Connect the USB Type B male cable (square with 2 cut corners) to this port, and then connect the other end of the cable to the USB downstream port of your computer.

Audio

Plug an audio cable into the Audio In/Audio Out port of the monitor. Plug the other end into your computer (Audio In) or ear-/headphones (Audio Out).

NOTE: The monitor is also equipped with dual speakers.

Touch Function Control

Before using the touch function, ensure the USB Type B to Type A cable is connected to your computer and the Windows operating system is running.

When using the touch function, please note:

The touch function may need about five (5) seconds to resume if the USB cable is removed and plugged in again, or the computer resumes from Sleep Mode.
The touchscreen can only detect up to ten (10) fingers simultaneously.
If the Windows’ cursor does not accurately follow your finger when you touch the screen, do the following:

Open: Control Panel > Hardware and Sound >Tablet PC Settings
Select Calibration.
Follow the instructions to recalibrate your screen.

Touch Accuracy

Touch accuracy is ± 2 mm over 90% of the touch active area located in the middle.
Touch size at 10% of the edge area is ≥ 8 mm (as illustrated below), the area at the edges without black ink might not support any touch.

It is requested to use a spherical tip stylus with a minimum diameter of 3 mm in 90% of the touch active area.
It is requested to use a spherical tip stylus with a minimum diameter of 8 mm in 10% of the edge area.

Tilt Angle Adjustment

Tilt the monitor stand forwards or backwards to the desired viewing angle (20˚ to 40˚).

Using the Control Panel Keys

Use the control panel keys to activate Hot Keys, navigate the On-Screen Display (OSD) Menu, and change the settings.

On-Screen Display (OSD) Menu

Press the 1 key to activate the On-Screen Display (OSD) Menu. Follow the key guide that appears on the screen to select options or make adjustments.

Icon	Name	Description
	Auto Image Adjust	Automatically adjust the screen position.
	Contrast/Brightness	Adjust the contrast or brightness level.
	Input Select	Select the input source.
	Audio Adjust	Adjust the level, or mute the volume.
	Color Adjust	Select one of the preset color settings.
	Information	Displays the timing mode coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL.
	Manual Image Adjust	Manually set a variety of image quality adjustments.
	Setup Menu	Adjust On-Screen Display (OSD) settings.
	Memory Recall	Returns the adjustments back to factory settings.

Hot Keys

When the On-Screen Display (OSD) Menu is off, you can quickly access special functions by using the control panel keys.

Key	Description
1+[▲]	Press and hold the keys to lock/unlock the OSD Menu. When the menu appears on the screen, continue holding both keys for 10 seconds to lock/unlock the OSD Menu. If the OSD Menu is locked, the below message will appear on the screen:
1+[▼]	Press and hold the keys to lock/unlock the Power button. When the menu appears on the screen, continue holding both keys for 10 seconds to lock/unlock the Power button. If the Power button is locked, the below message will appear on the screen:
2+[▲]	Press the keys to display/hide the boot up screen when the device is turned on.
2+[▼]	Press the keys to toggle between DDC/CI and DDC/2B. NOTE: DDC/CI is the default setting.
[▲]	Press the key to enter the Contrast menu.
[▼]	Press the key to enter the Color Adjust menu.
2	Press the key to toggle between input sources.

General Operation

Press the 1 key to display the On-Screen Display (OSD) Menu.

Press the [▲] or [▼] key to select the main menu. Then press the 2 key to enter the selected menu.

Press the [▲] or [▼] key to select the desired menu option. Then press the 2 key to enter the sub-menu.

Press the [▲] or [▼] to adjust/select the setting. Then press the 2 key to confirm.

NOTE: Certain menu option adjustments do not require the user to press the 2 key to confirm the selection. Follow the key guide to select the option or make adjustments.

Sub-menu	Menu Option
Auto Image Adjust
Contrast/Brightness	Contrast	(-/+, 0~100)
Contrast/Brightness	Brightness	(-/+, 0~100)
Input Select	VGA
	DVI
	HDMI
Audio Adjust	Volume	(-/+, 0~100)
	Mute	On
	Mute	Off
	Audio Input	HDMI
	Audio Input	Audio In
Color Adjust	sRGB
	Bluish
	Cool
	Native
	Warm
	User Color	Red	(-/+, 0~100)
		Green	(-/+, 0~100)
		Blue	(-/+, 0~100)
Information
Manual Image Adjust	H/V Position	Horizontal Position	(-/+, 0~100)
	H/V Position	Vertical Position	(-/+, 0~100)
	Horizontal Size	(-/+, 0~100)
	Fine Tune	(-/+, 0~100)
	Sharpness	(-/+, 0~100)
	Dynamic Contrast	On
	Dynamic Contrast	Off
	Response Time	Standard
		Advanced
		Ultra Fast
	Aspect Ratio	4:3
	Aspect Ratio	Full Screen
	Overscan	On
	Overscan	Off
	ECO Mode	Standard
		Optimize
		Conserve
	Blue Light Filter	(-/+, 0~100)
Setup Menu	Language Select	English
		Français
		Deutsch
		Español
		Italiano
		Suomi
		Русский
		Türkçe
		日本語
		한국어
		繁體中文
		简体中文
		Česká
		Svenska
	Resolution Notice	On
	Resolution Notice	Off
	OSD Position	H. Position	(-/+, 0~100)
	OSD Position	V. Position	(-/+, 0~100)
	OSD Pivot	0°
		+90°
		-90°
	OSD Timeout	(-/+, 5/15/30/60)
	OSD Background	On
	OSD Background	Off
	Auto Power Off	On
	Auto Power Off	Off
	Sleep	30 minutes
		45 minutes
		60 minutes
		120 minutes
	Power Indicator	On
	Power Indicator	Off
	Boot Up Screen	On
	Boot Up Screen	Off
	Touch Screen	On
	Touch Screen	Off
Memory Recall

Technical Specifications

Model No.	P/N
VS18312	TD2423

Item	Category	Specifications
LCD	Type	a-si, TFT Active Matrix 1920 x 1080 LCD, 0.2715 mm x 0.2715 mm pixel pitch
	Display Size	60.96 cm, 24" (23.6" viewable)
	Surface Treatment	Glossy treatment of the polarizer (Haze 8%, 7H)
Input Signal	Video Sync	RGB Analog (75 Ω) fh:24-82 Khz, fv:50-75 Hz TMDS digital (100 Ω) HDMI: fh:24-82 Khz, fv:50-75 Hz DVI: fh:24-82 Khz, fv:50-75 Hz
Compatibility	PC	up to 1920 x 1080
	Macintosh	up to 1920 x 1080
	Recommended	1920 x 1080 @ 60Hz
Resolution^[1]	Supported	1920 x 1080 @ 50, 60, 75Hz 1680 x 1050 @ 60Hz 1600 x 1200 @ 60Hz 1600 x 900 @ 60Hz 1440 x 900 @ 60, 75Hz 1400 x 1050 @ 60Hz 1366 x 768 @ 60 Hz 1360 x 768 @ 60Hz 1280 x 1024 @ 60, 75Hz 1280 x 960 @ 50, 60, 75Hz 1280 x 800 @ 50, 60, 75Hz 1280 x 768 @ 50, 60, 75Hz 1280 x 720 @ 50, 60Hz 1152 x 900 @ 66Hz 1152 x 870 @ 75Hz 1152 x 864 @ 60, 75Hz 1024 x 768 @ 50, 60, 70, 72, 75Hz 1024 x 600 @ 60Hz 832 x 624 @ 75Hz 848 x 480 @ 60Hz 800 x 600 @ 56, 60, 72, 75Hz 800 x 480 @ 60Hz 720 x 576 @ 50Hz 720 x 480 @ 60Hz 720 x 400 @ 70Hz 640 x 480 @ 50, 60, 67, 72, 75Hz 640 x 400 @ 60, 70Hz 640 x 350 @ 70Hz
Power Adapter^[2]	Input Voltage	AC 100-240V, 50/60Hz (auto switch)
Display Area	Full Scan (H x V)	521.28 x 293.22 mm (20.52” x 11.54”)
Operating Conditons	Temperature	0° C to 40° C (32° F to 104° F)
	Humidity	20% to 90% (non-condensing)
	Altitude	16,404 feet (4.9 km)
Storage Conditions	Temperature	-20° C to 60° C (-4° F to 140° F)
	Humidity	5% to 90% (non-condensing)
	Altitude	40, 000 feet (12.1 km)
Dimensions	Physical (W x H x D)	570.92 x 346.98 x 100.99 mm (22.47” x 13.77” x 3.96”)
Weight	Physical	5.23 kg (11.53 lbs)
Power Saving Modes	On	18.0W (Typical)
Power Saving Modes	Off	< 0.3W (Max)

↑ Do not set the graphics card in your computer to exceed these timing modes; doing so may result in permanent damage to the display.
↑ Please use the power adapter from ViewSonic® or an authorized source only.

Compliance Information

This section addresses all connected requirements and statements regarding regulations. Confirmed corresponding applications shall refer to nameplate labels and relevant markings on the unit.

FCC Compliance Statement

This device complies with part 15 of FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

Industry Canada Statement

CAN ICES-003(B) / NMB-003(B)

CE Conformity for European Countries

The device complies with the EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU.

The following information is only for EU-member states:

The mark shown to the right is in compliance with the Waste Electrical and Electronic Equipment Directive 2012/19/EU (WEEE). The mark indicates the requirement NOT to dispose of the equipment as unsorted municipal waste, but use the return and collection systems according to local law.

Declaration of RoHS2 Compliance

This product has been designed and manufactured in compliance with Directive 2011/65/EU of the European Parliament and the Council on restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS2 Directive) and is deemed to comply with the maximum concentration values issued by the European Technical Adaptation Committee (TAC) as shown below:

Substance	Proposed Maximum Concentration	Actual Concentration
Lead (Pb)	0.1%	< 0.1%
Mercury (Hg)	0.1%	< 0.1%
Cadmium (Cd)	0.01%	< 0.01%
Hexavalent Chromium (Cr6⁺)	0.1%	< 0.1%
Polybrominated biphenyls (PBB)	0.1%	< 0.1%
Polybrominated diphenyl ethers (PBDE)	0.1%	< 0.1%
Bis (2-ethylhexyl) phthalate (DEHP)	0.1%	< 0.1%
Butyl benzyl phthalate (BBP)	0.1%	< 0.1%
Dibutyl phthalate (DBP)	0.1%	< 0.1%
Diisobutyl phthalate (DIBP)	0.1%	< 0.1%

Certain components of products as stated above are exempted under the Annex III of the RoHS2 Directives as noted below. Examples of exempted components are:

Mercury in cold cathode fluorescent lamps and external electrode fluorescent lamps (CCFL and EEFL) for special purposes not exceeding (per lamp):

Short length (500 mm): maximum 3.5 mg per lamp.
Medium length (>500 mm and 1,500m): maximum 5 mg per lamp.
Long length (> 1,500 mm): maximum 13 mg per lamp.

Lead in glass of cathode ray tubes.
Lead in glass of fluorescent tubes not exceeding 0.2% by weight.
Lead as an alloying element in aluminum containing up to 0.4% lead by weight.
Copper alloy containing up to 4% lead by weight.
Lead in high melting temperature type solders (i.e. lead-based alloys containing 85% by weight or more lead).
Electrical and electronic components containing lead in a glass or ceramic other than dielectric ceramic in capacitors, e.g. piezoelectronic devices, or in a glass or ceramic matrix compound.

Indian Restriction of Hazardous Substances

Restriction on Hazardous Substances statement (India). This product complies with the “India E-waste Rule 2011” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls or polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule.

Indian Restriction of Hazardous Substances

Restriction on Hazardous Substances statement (India). This product complies with the “India E-waste Rule 2011” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls or polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule.

Product Disposal at End of Product Life

ViewSonic® respects the environment and is committed to working and living green. Thank you for being part of Smarter, Greener Computing. Please visit the ViewSonic® website to learn more.

USA & Canada:
https://www.viewsonic.com/us/go-green-with-viewsonic

Europe:
https://www.viewsonic.com/eu/environmental-social-governance/recycle

Taiwan:
https://recycle.moenv.gov.tw/

For EU users, please contact us for any safety/accident issue experienced with this product:

	ViewSonic Europe Limited Haaksbergweg 75 1101 BR Amsterdam Netherlands
	+31 (0) 650608655
	EPREL@viewsoniceurope.com
	https://www.viewsonic.com/eu/

Copyright Information

Macintosh and Power Macintosh are registered trademarks of Apple Inc.

Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation in the United States and other countries.

ViewSonic®, the three birds logo, OnView, ViewMatch, and ViewMeter are registered trademarks of ViewSonic® Corporation.

VESA is a registered trademark of the Video Electronics Standards Association. DPMS, DisplayPort, and DDC are trademarks of VESA.

ENERGY STAR® is a registered trademark of the U.S. Environmental Protection Agency (EPA).

As an ENERGY STAR® partner, ViewSonic® Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.

Disclaimer: ViewSonic® Corporation shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from furnishing this material, or the performance or use of this product.

In the interest of continuing product improvement, ViewSonic® Corporation reserves the right to change product specifications without notice. Information in this document may change without notice.

No part of this document may be copied, reproduced, or transmitted by any means, for any purpose without prior written permission from ViewSonic® Corporation.

TD2423_UG_ENG_1b_20221206

Customer Service

Limited Warranty

Safety Precautions

Troubleshooting

Maintenance

[1] Do not set the graphics card in your computer to exceed these timing modes; doing so may result in permanent damage to the display.

[2] Please use the power adapter from ViewSonic® or an authorized source only.

[1]

[2]