Acer ED343CUR User manual

Acer LCD Monitor
User Guide

English
Copyright © 2022 Acer Incorporated.
All Rights Reserved.
Acer LCD Monitor User Guide
Original Issue: 11/2022
Changes may be made periodically to the information in this publication without obligation
to notify any person of such revisions or changes. Such changes will be incorporated in new
editions of this manual or supplementary documents and publications. This company makes
no representations or warranties, either expressed or implied, with respect to the contents
particular purpose.
Record the model number, serial number, purchase date and place of purchase information
in the space provided below. The serial number and model number are recorded on the
serial number, model number and purchase information.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted,
in any form or by any means, electronically, mechanically, by photocopy, recording or
otherwise, without the prior written permission of Acer Incorporated.
Acer LCD Monitor User Guide
Model number: __________________________________
Serial number: ___________________________________
Date of purchase: ________________________________
Place of purchase: ________________________________
Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies’
their respective companies.

English
Information for your safety and
comfort
Safety instructions
Read these instructions carefully. Keep this document for future reference. Follow all
warnings and instructions marked on the product.
Special notes on LCD monitors
The following are normal with the LCD monitor and do not indicate a problem.
•Turn
•
you use.
•TheLCD screen has 99.99% or more effective pixels. It may include blemishes of 0.01%
or less such as a missing pixel or pixel lit all the time.
•Due to the nature of the LCD screen, an afterimage of the previous screen may remain
after switching the image, when the same image is displayed for hours. In this case, the
screen is recovered slowly by changing the image or turning off the power switch for a
few hours.
Cleaning your monitor
Please carefully follow these guidelines when cleaning the monitor:
•Always unplug the monitor before cleaning.
•Use a soft cloth to wipe the screen and cabinet front and sides.

English
Accessibility
Be sure that the power outlet you plug the power cord into is easily accessible and located
as close to the equipment operator as possible. When you need to disconnect power from
the equipment, be sure to unplug the power cord from the electrical outlet.
Safe listening
To protect your hearing, follow these instructions.
•Gradually increase the volume until you can hear it clearly and comfortably and without
distortion.
•After setting the volume level, do not increase it after your ears have adjusted.
•Limit the amount of time listening to music at high volume.
•Avoid turning up the volume to block out noisy surroundings.
•Turn the volume down if you can’t hear people speaking near you.
Warnings
•Do not use this product near water.
•Do not place this product on an unstable cart, stand or table. If the product falls, it could
be seriously damaged.
•Slots and openings are provided for ventilation to ensure reliable operation of the
product and to protect it from overheating. These openings must not be blocked or
covered. The openings should never be blocked by placing the product on a bed, sofa,
rug or other similar surface. This product should never be placed near or over a radiator
or heat register, or in a built-in installation unless proper ventilation is provided.
•Never push objects of any kind into this product through cabinet slots as they may touch
Never spill liquid of any kind onto or into the product.
•To avoid dmage of internal components and to prevent battery leakage, do not place the
product on a vibrating surface.
•Never use it under sporting, exercising, or any vibrating environment which will probably
cause unexpected short current or damage internal devices.
•The adapter is only used for this monitor, do not be used for other purposes.
Using electrical power
•This product should be operated from the type of power indicated on the marking label.
If you are not sure of the type of power available, consult your dealer or local power
company.
•Do not allow anything to rest on the power cord. Do not locate this product where people
will walk on the cord.

English
•If an extension cord is used with this product, make sure that the total ampere rating
of the equipment plugged into the extension cord does not exceed the extension cord
ampere rating. Also, make sure that the total rating of all products plugged into the wall
outlet does not exceed the fuse rating.
•Do not overload a power outlet, strip or receptacle by plugging in too many devices. The
overall system load must not exceed 80% of the branch circuit rating. If power strips are
used, the load should not exceed 80% of the power strip’s input rating.
•This product’s power cord is equipped with a three-wire grounded plug. The plug only
inserting the power cord plug. Do not insert the plug into a non-grounded power outlet.
Contact your electrician for details.
Warning! The grounding pin is a safety feature. Using a power outlet
that is not properly grounded may result in electric shock and/or
injury.
Note: The grounding pin also provides good protection from unexpected
noise produced by other nearby electrical devices that may interfere with
the performance of this product.
•Use the product only with the supplied power supply cord set. If you need to replace the
power cord set, make sure that the new power cord meets the following requirements:
approved or its equivalent, 4.6 meters (15 feet) maximum length.
Product servicing
Do not attempt to service this product yourself, as opening or removing covers may expose
personnel.
when:
•the power cord or plug is damaged, cut or frayed
•liquid was spilled into the product
•the product was exposed to rain or water
•the product has been dropped or the case has been damaged
•the product exhibits a distinct change in performance, indicating a need for service
•the product does not operate normally after following the operating instructions

English
Note: Adjust only those controls that are covered by the operating
instructions, since improper adjustment of other controls may result in
restore the product to normal condition.
Potentially explosive environments
Switch off yourdevice in any area with a potentiallyexplosive atmosphere and obey allsigns
and instructions. Potentially explosive atmospheres include areas where you would normally
be advised to turn off your vehicle engine. Sparks in such areas could cause an explosion
distribution areas; chemical plants; or where blasting operations are in progress. Areas with
a potentially explosive atmosphere are often, but not always, marked. They include below
(such as propane or butane), and areas where the air contains chemicals or particles such
as grain, dust or metal powders.
Additional safety information
Your device and its enhancements may contain small parts. Keep them out of the reach of
small children.
IT Equipment Recycling Information
Acer is strongly committed to environmental protection and views recycling, in the form
of salvaging and disposal of used equipment, as one of the company’s top priorities in
minimizing the burden placed on the environment.
We at Acer are very conscious of the environmental effects of our business and strive to
identify and provide the best working procedures to reduce the environmental impact of our
products.
For more information and help when recycling, please go to this website:
https://www.acer-group.com/sustainability/en/our-products-environment.html
Visit www.acer-group.com
products.
Disposal instructions
Do not throw this electronic device into the trash when discarding. To minimize
pollution and ensure utmost protection of the global environment, please recycle.
For more information on the Waste from Electrical and Electronics Equipment
(WEEE) regulations, visit https://www.acer-group.com/sustainability/en/our-
products-environment.html
Acer encourages information technology (IT) equipment owners to responsibly recycle their
equipment when it is no longer needed. Acer offers programs and services to assist equipment
owners with this process.
For more information on recycling IT equipment, please go to:
https://www.acer.com/ac/en/US/content/recycling
Recycling Information for the United States of America

English
LCD pixel statement
The LCD unit is produced with high-precision manufacturing techniques. Nevertheless,
This has no effect on
the recorded image and does not constitute a malfunction.
This product has been shipped enabled for power management:
•Activate display’s Sleep mode within 5 minutes of user inactivity.
•Wake the monitor when it is in Active Off mode,move the mouse or press any keyboard
key.
Tips and information for comfortable use
Computer users may complain of eyestrain and headaches after prolonged use. Users are
also at risk of physical injury after long hours of working in front of a computer. Long work
periods, bad posture, poor work habits, stress, inadequate working conditions, personal
health and other factors greatly increase the risk of physical injury.
Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or
other musculoskeletal disorders. The following symptoms may appear in the hands, wrists,
arms, shoulders, neck or back:
•numbness, or a burning or tingling sensation
•aching, soreness or tenderness
•pain, swelling or throbbing
•stiffness or tightness
•coldness or weakness
If you have these symptoms, or any other recurring or persistent discomfort and/or pain
related to computer use, consult a physician immediately and inform your company’s health
and safety department.
The following section provides tips for more comfortable computer use.
Finding your comfort zone
Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or
raising your sitting height to achieve maximum comfort. Observe the following tips:
•
•avoid slouching forward and/or leaning backward
•stand up and walk around regularly to remove the strain on your leg muscles

English
Taking care of your vision
Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room
lighting, poorly focused screens, very small typefaces and low-contrast displays could stress
your eyes. The following sections provide suggestions on how to reduce eyestrain.
Eyes
•It is recommended to rest your eyes for 10 minutes every 40 minutes.
•Give your eyes regular breaks by looking away from the monitor and focusing on a
istant point.
•Blink frequently to keep your eyes from drying out.
Display
•Keep your display clean.
•Keep your head at a higher level than the top edge of the display so your eyes point
downward when looking at the middle of the display.
•Adjust the display brightness and/or contrast to a comfortable level for enhanced text
readability and graphics clarity.
•
•placing your display in such a way that the side faces the window or any light source
•minimizing room light by using drapes, shades or blinds
•using a task light
•changing the display’s viewing angle
•
•using a display visor, such as a piece of cardboard extended from the display’s top
front edge
•Avoid adjusting your display to an awkward viewing angle.
•Avoid looking at bright light sources, such as open windows, for extended periods of
time.
Developing good work habits
Develop the following work habits to make your computer use more relaxing and productive:
•Take short breaks regularly and often.
•Perform some stretching exercises.
•Breathe fresh air as often as possible.
•Exercise regularly and maintain a healthy body.

English
Viale delle Industrie 1/A, 20044 Arese (MI), Italy
Dec. 02, 2022
Declaration of Conformity
We,
Acer Incorporated
8F, 88, Sec. 1, Xintai 5th Rd., Xizhi, New Taipei City 221
And,
Acer Italy s.r.l.
Tel: [phone] ,Fax: [phone]
www.acer.it
Product: LCD Monitor
Trade Name: ACER
Model Number:
SKU Number:
(“x” = 0~9, a ~ z, A ~ Z, or blank)
We, Acer Incorporated, hereby declare under our sole responsibility that the product described above is in
conformity with the relevant Union harmonization legislations as below Directive and following harmonized
standards and/or other relevant standards have been applied:
ED343CUR xxxxxx;
ED343CUR
EMC Directive: 2014/30/EU
LVD Directive: 2014/35/EU
EN IEC 62368-1:2020+A11:2020
RoHS Directive: 2011/65/EU
EN IEC 63000:2018
ErP Directive: 2009/125/EC
(EN)2019/2021; EN50564:2011
Year to begin affixing CE marking: 2022.
_______________________________
RU Jan / Sr. Manager Date
Acer Incorporated (New Taipei City)
EN 55032:2015+ A11:2020Class B EN 55035:2017/A11:2020
EN 61000-3-3:2013+A1:2019
EN IEC 61000-3-2:2019+A1:2021

(“x” = 0~9, a ~ z, A ~ Z, or blank)
English
Federal Communications Commission
Supplier’s Declaration of Conformity
This device complies with Part 15 of the 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.
The following local Manufacturer /Importer is responsible for this declaration:
Product: LCD Monitor
Model Number: ED343CUR
SKU Number: ED343CUR xxxxxx
Name of Responsible Party: Acer America Corporation
Address of Responsible
Party:
333 West San Carlos St.
Suite 1500
San Jose, CA 95110
U. S. A.
Contact Person: Acer Representative
Phone No.: 254-298-4000
Fax No.: 254-298-4147
Acer America Corporation
333 West San Carlos St., San Jose
Suite 1500
CA 95110, U. S. A.
Tel : [phone]
Fax : [phone]
www.acer.com

English
Contents
Information for your safety and comfort 3
Safety instructions 3
Special notes on LCD monitors 3
Cleaning your monitor 3
Accessibility 4
Safe listening 4
Warnings 4
Using electrical power 4
Product servicing 5
Potentially explosive environments 6
Additional safety information 6
IT Equipment Recycling Information 6
Disposal instructions
Recycling Information for the United States of America
6
6
LCD pixel statement 7
Tips and information for comfortable use 7
Finding your comfort zone 7
Taking care of your vision 8
Developing good work habits 8
CE declaration of conformity 9
Radiation Exposure Statement 9
USA, Canada 9
FCC/ISED/CE-RED Caution 9
Radiation Exposure Statement 9
Déclaration d'exposition aux radiations 9
Federal Communications Commission 10
Supplier’s Declaration of Conformity 10
Unpacking 12
Attaching the Base 13
Connecting the adapter and AC Power cord 14
Power saving 14
Display Data Channel (DDC) 15
20-pin color display signal cable 15
19-pin color display signal cable 16
Standard timing table 17
Installation 18
Troubleshooting 34
HDMI/DP Mode (Optional) 34

English
Unpacking
Please check that the following items are present when you unpack the box, and save the
packing materials in case you need to ship or transport the monitor in the future.
LCD monitor Quick start guide AC Power cord
DP Cable
(Optional)
HDMI cable
(Optional)
USERGUIDE
ED343CUR LCD Monitor / ED3 Series

English
•Attaching the Base
Note: Remove the monitor and monitor base from its packaging. Carefully place the monitor
face-down on a stable surface -- use a cloth to avoid scratching the screen.
•Tilt
Please see the illustration below for an example of the tilt range.
Only at the highest point can 15 degrees of recline be offered for the angle of elevation.
15°-5°

English
Connecting the adapter and AC Power
cord
•
your area.
•The monitor has a universal power supply that allows operation in either 100/120 V AC
or 220/240 V AC voltage area. No user-adjustment is required.
•Plug one end of the AC power cord to the Adapter, and plug the other end into an AC
outlet.
•For units using 120 V AC:
Use a UL-listed cord set, type SVT wire and plug rated 10 A/125 V.
•For units using 220/240 V AC:
Use a cord set consisting of H05VV-F cord and plug rated 10 A/250 V. The cord set
should have the appropriate safety approvals for the country in which the equipment will
be installed.
Power saving
The monitor will be driven into "Power Saving" mode by the control signal from the display
controller, as indicated by the amber-color power LED.
State LED Light
ON Blue
Power Saving Mode Red
The power saving states will be kept until a control signal has been detected or the keyboard
or mouse is activated. The recovery time from Active OFF state back to ON state is around
3 seconds.

English
Display Data Channel (DDC)
To make installation easier, so long as your system supports the DDC protocol, the monitor
is able to plug-and-play. The DDC is a communication protocol through which the monitor
automatically informs the host system about its capabilities; for example, supported
resolutions and corresponding timing. The monitor supports the DDC2B standard.
20-pin color display signal cable
PIN No. Description PIN No. Description
1 ML_Lane 0+ 2 GND
3 ML_Lane 0- 4 ML_Lane 1+
5 GND 6 ML_Lane 1-
7 ML_Lane 2+ 8 GND
9 ML_Lane 2- 10 ML_Lane 3+
11 GND 12 ML_Lane 3-
13 KONFIG1 14 CONFIG2
15 AUX CH+ 16 GND
17 AUX CH- 18 Hot Plug
19 Return 20 DP_PWR

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19-pin color display signal cable
PIN No. Description PIN No. Description
1 TMDS Data2+ 2 TMDS Data2 Shield
3 TMDS Data2- 4 TMDS Data1+
5 TMDS Data1 Shield 6 TMDS Data1-
7 TMDS Data0+ 8 TMDS Data0 Shield
9 TMDS Data0- 10 TMDS Clock+
11 TMDS Clock Shield 12 TMDS Clock-
13 CEC 14 Reserved (N.C. on device)
15 SCL 16 SDA
17 DDC/CEC Ground 18 +5V Power
19 Hot Plug Detect

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Standard timing table
VESA MODE
MODE Resolution
1 VESA 720 x 400 70Hz
2 VGA 640 x 480 60Hz
3 MAC 640 x 480 67Hz
4 SVGA 800 x 600 56Hz
5 SVGA 800 x 600 60Hz
6XGA 1024 x 768 60Hz
7XGA 1024 x 768 70Hz
8SXGA 1280 x1024 75Hz
9 VESA 1152 x 864 60Hz
10 SXGA 1280 x 1024 60Hz
11 VESA 1280 x 720 60Hz
12 WXGA+ 1440 x 900 60Hz
13 WSXGA+ 1680 x 1050 60Hz
14 FHD 1920 x 1080 60Hz
60Hz
100Hz
120Hz
15
16
17
144Hz18
19 165Hz
(Recommended resolution)
3440x1440WQHD
3440x1440WQHD
3440x1440WQHD
3440x1440WQHD
3440x1440WQHD

English
Installation
1. Turn off your computer and unplug your computer's power cord.
2. Connect the signal cable to the HDMI (optional) and /or DP (optional) input socket of the
monitor, and the HDMI (optional) and /or DP (optional) output socket of the graphics card
on the computer.
3. Insert the monitor power cable into the power port at the back of the monitor.
4. Plug the power cords of your computer and your monitor into a nearby electrical outlet.
Note: Audio output is only for audio output model. Please check user manual for more instruction.
AC IN
DP
HDMI2 HDMI1 DP2 DP1 AUDIO OUT
HDMI2 HDMI1 DP2 DP1 AUDIO OUT

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User Controls
External controls
1 Power button/OK Key
2 Four directions key a.
a.
Press to any directions key to display first menu.
Power on; Press more than 5 seconds to turn off the power.
b. Press to view the home page. Press again to go to the next function in the
function menu.
b. The four directional buttons on the back of the monitor are like a joystick.
To move the cursor, just toggle buttons in four directions. Press the button
to select the desired option. Red indicates operational.Grey indicates
inoperable.
1
2
FreeSync Premium :
It can allow a FreeSync Premium supported graphics source to dynamically adjust display refresh
rate based on typical contentframe rates for power efficient, virtually stutter free and low-latency
display update.

English
Using the Shortcut Menu
-------------------------------------------------------------------------------------------------------------
Note:
may vary.
The OSD (On Screen Display) can be used to adjust the settings of your LCD monitor.
Press the OK key to open the OSD. You can use the OSD to adjust the picture quality,
OSD position and general settings. For advanced settings, please refer to following page:
Main page
Hot key1 (Default: Standard mode)
Standard, ECO, Graphics, HDR)
Action Racing Sports User
HDR
Graphics
ECO
Standard
Modes
OK
Move
Hot key2 (Default: Brightness)
Open the Brightness control and select your preferred brightness setting . When you are
done, press OK button to quit current page and store.
Menu
Brightness
70
Input
HDMI (2.0)
Mode
Standard
2. Hot Key1(Default is Mode)
Modes, Volume, Gamma, Contrast,
Low Blue Light, Over Drive,VRB
Brightness, Volume, Gamma, Contrast,
Low Blue Light, Over Drive,VRB
3. Hot Key2 (Default is Brightness)
4. Input Switch Hot Key.
1. Main Menu Hot Key.