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****** Page 1 ****** Acer LCD Monitor User’s Guide

****** Page 2 ****** Copyright@ 2018. Acer Incorporated. All Rights Reserved. Acer LCD Monitor User’s Guide Original Issue: 06/2018 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 hereof and specifically disclaims the implied warranties of merchantability or fitness for a 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 label affixed to your computer. All correspondence concerning your unit should include 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’s Guide Model number: Serial number: Date of purchase: Place of purchase: Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies’ product names or trademarks are used herein for identification purposes only and belong to their respective companies.

****** Page 3 ****** Special notes on LCD monitors The following are normal with the LCD monitor and do not indicate a problem. • Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the power switch and then turn it on again to make sure the flicker disappears. • You may find slightly uneven brightness on the screen depending on the desktop pattern you use. • The LCD screen has 99.99% or more effective pixels. It may include blemishes of 0.01% or less such as a missing pixel or a 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. 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. 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. Connecting/disconnecting the device Observe the following guidelines when connecting and disconnecting power from the LCD monitor: • Make sure the monitor is attached to its base before connecting the power cord to the AC power outlet. • Make sure both the LCD monitor and the computer are turned off before connecting any cable or unplugging the power cord. • If the system has multiple sources of power, disconnect power from the system by unplugging all power cords from the power supplies. 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. iii

****** Page 4 ****** 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 volumeto 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. Ifthe product falls, it could be seriously da maged. • 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 dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind onto or into the product. • To avoid damage 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. 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. • 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 fits in a grounded power outlet. Make sure the power outlet is properly grounded before 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.

****** Page 5 ****** 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: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.5meters (15 feet) maximum length. Product servicing Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel. Unplug this product from the wall outlet and refer servicing to qualified service 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 Note: Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition. Potentially explosive environments Switch off your device in any area with a potentially explosive atmosphere and obey all signs 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 or fire resulting in bodily injury or even death. Switch off the device near gas pumps at service stations. Observe restrictions on the use of radio equipment in fuel depots, storage and 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 deck on boats, chemical transfer or storage facilities, vehicles using liquefied petroleum gas (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.

****** Page 6 ****** 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: acergroup.com/public/Sustainability/ Visit acer-group.com for further information on the features and benefits of our other 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 acergroup.com/ public/SustainabilityL LCD pixel statement The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may occasionally misfire or appear as black or red dots. 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 15 minutes of user inactivity. • Activate computer’s Sleep mode within 30 minutes of user inactivity. vi

****** Page 7 ****** 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 ofa 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: • refrain from staying too long in one fixed posture • avoid slouching forward and/or leaning backward • stand up and walkaround regularly to remove the strain on your leg muscles 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 • Rest your eyes frequently. • Give your eyes regular breaks by looking away from the monitor and focusing on a distant 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. • Eliminate glare and reflections by: 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 glare-reduction filter • 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. vii

****** Page 8 ****** 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. • In order to prevent damage to the monitor, do not lift the monitor by its base. viii

****** Page 9 ****** acer Acer Incorporated 8F, 88, Sec. 1, Xintai 5th Rd„ Xizhi New Taipei City 221, Taiwan Declaration of Conformity we, Acer Incorporated 8F, 88, Sec. l, Xintai 5th Rd., Xizhi, New Taipei City 221, Taiwan And, Acer Italy s.r.l. Viale delle Industrie I/A, 20020 Arese (MI), Italy Tel: +39-02-939-921 ,Fax: +39-02 9399-2913 acer.it Product: Trade Name: Model Number: SKU Number: LCD Monitor ACER CB342CK CB342CK xxxxxx = 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: EMC Directive: 2014/30/EU Class B EN61000-3-2:2014 Class D LVD Directive: 2014/35/EU E EN RoHS Directive: 2011/65/EU EN 50581:2012 ErP Directive: 2009/125/EC Regulation (EC) No. 1275/ 2008; EN 50564:2011 Year to begin affixing CE marking: 2019. RU Jan Sr. Manager Acer Incorporated (Taipei, Taiwan) ix E EN 55024:2010 EN61000-3-3:2013 Aug. 15, 2019 Date

****** Page 10 ****** acer Acer America Corporation 333 West San Carlos St., Suite 1500 San Jose, CA 95110, U. S. A. Tel : 254-298-4000 Fax : 254-298-4147 acer.com Federal Communications Commission Declaration of Conformity This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (l) 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 /lmporter is responsible for this declaration: Product: Model Number: SKU Number: LCD Monitor CB342CK CB342CK xxxxxx; (“x” = 0—9, a z, A— Z or Blank) Name of Responsible Party: Acer America Corporation Address of Responsible Party: 333 West San Carlos St. Contact Person: Phone No.: Fax No.: Suite 1500 San Jose, CA 95110 Acer Representative 254-298-4000 254-298-4147 x

****** Page 11 ****** Special notes on LCD monitors Information for your safety and comfort Safety instructions Cleaning your monitor Connecting/disconnecting the device Accessibility Safe listening Warnings Using electrical power Product servicing Additional safety information IT Equipment Recycling Information Disposal instructions LCD pixel statement Tips and information for comfortable use CE Declaration of Conformity Federal Communications Commission Declaration of Conformity Unpacking Attaching/removing the base Screen position adjustment Connecting the power cord Power saving Display Data Channel (DDC) Connector pin assignment Standard timing table Installation User controls How to adjust a setting Mode Management Menu Adjusting the OSD settings Adjusting the picture quality Adjusting the Color setting Adjusting the Audio setting Adjusting the Performance setting Adjusting the OSD setting Product the System setting Product the Information setting Troubleshooting HDMI/DP model iii iii iii iii iii iii vi vi vi vii ix x 2 3 5 5 5 6 8 9 10 12 12 13 15 16 16

****** Page 12 ****** 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 AC power cord HDMI cable (Option) Quick start guide USER GUIDE DP cable (Option) USB cable (Option)

****** Page 13 ****** Attaching/removing the base Installation: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base clockwise. Tighten the screw clockwise. Remove: Reverse the steps to remove the base.

****** Page 14 ****** Screen position adjustment In Oder to optimize the best viewing position, you can adjust the height/tilt/swivel of the monitor. • Height Adjustment After pressing the top of the monitor then you can adjust the height of the monitor. 150mm • Tilt Please see the illustration below for an example of the tilt range. Only at the highest point can 35 degrees of recline be offered for the angle of elevation. 3

****** Page 15 ****** Swivel With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle. 3600 3600 4

****** Page 16 ****** Connecting the power cord • Check first to make sure that the power cord you use is the correct type required for 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 power cord to the AC inlet, and plug the other end into an AC outlet. • For units using 120 V AC:Use a UL-listed cord set, type SVTwire and plug rated 10 MI 25 V. • For units using 220/240 V AC:Use a cord set consisting ofH05W-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 switched to “power saving” mode by the control signal from the display controller, as indicated by the orange-colored power LED. Model On Power saving LED light Blue Orange The power saving mode will be kept until a control signal has been detected or the keyboard or mouse is activated. The recovery time from “power saving” mode back to “on” is around 3 seconds. 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. 5

****** Page 17 ****** Connector pin assignment 191715131197531 18161412108642 1 9-pin color display signal cable PIN No. 2 3 4 5 6 7 8 9 10 Description TMDS data 2+ TMDS data 2 shield TMDS data 2- TMDS data 1+ TMDS data I shield TMDS data 1- TMDS data 0+ TMDS data O shield TMDS data O- TMDS clock+ PIN No. 11 12 13 14 15 16 17 18 19 6 Description TMDS clock shield TMDS clock- CEC DDC-serial data SCL SDA DDC/CEC Ground +5V Power Hot Plug Detect

****** Page 18 ****** 19 17 15 13 11 9 7 5 3 20 18 16 14 12 •10 8 6 4 2 20-pin color display signal cable PIN No. 2 3 4 5 6 7 8 9 10 Description Lane0(p) GND Lane0(n) Lanel (p) GND Lanel (n) Lane2(p) GND Lane3(n) Lane3(p) PIN No. 11 12 13 14 15 16 17 18 19 20 7 Description GND Lane3(n) Configl Config2 AUX_CH (n) GND AUX_CH (p) Hot Plug Detect DP Power Return DP Power

****** Page 19 ****** Standard timing table Mode 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 VGA VGA VGA MAC VESA SVGA SVGA SVGA SVGA MAC XGA XGA XGA MAC VESA VESA SXGA SXGA VESA WXGA+ WSXGA+ FHD QHD FHD QI-ID QI-ID Resolution 640×480 800×600 1024×768 1152×870 1280×1024 1280×1024 1680×1050 2560×1440 1720×1440 3440X 1440 1440 8 60 72 75 66.66 70 56 60 72 75 74.55 60 70 75 75 75 60 60 75 60 60 60 60 60 75 60 75 Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz

****** Page 20 ****** Installation To install the monitor on your host system, please follow the steps below: Steps 1. Connect the video cable a. Make sure both the monitor and computer are switched off. b. Connect the HDMI Cable (Only HDMI-lnput Model) (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 19-pin HDMI cable to the back of the monitor and the other end to the computer’s port. c. Connect the DP cable (only for DP models). (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 20-pin DP cable to the back of the monitor and the other end to the computer’s port. 2. USB Upstream/USB Downstream (Battery Charger)/USB Downstream Connect one end of the USB cable to the USB terminal of the monitor, and connect the other end of the USB cable to an appropriate USB port on your device. Note: The USB downstream port does not provide power while the monitor switch is off. Note: In some circumstances when using USB 3.0 devices (hard drives or flash drives)and 2.4GHz USB wireless devices(for example wireless mouse, keyboard, or headphone) at the same time, USB 3.0 devices radio frequency interference may impact on 2.4GHz USB wireless devices, result in a drop in throughput on the wireless transmission. User may feel delayed response to mouse or keyboard inputs, missing keyboard characters or mouse commands, decreased operating distance between the 2.4 GHz USB wireless device and its receiver. Please refer to the following ways which helps to reduce this radio frequency interference. 1. Wireless dongle was moved away from the USB 3.0 device as possible as you can. 2. Ifthe USB wireless receiver and USB 3.0 device have to be connected at the sameside, Position your USB wireless receiver as close as possible to your wireless peripheral device (mouse, keyboard, headphones, etc.) Or use a standard USB extender cable or Hub to position your USB wireless receiver as far away as possible from your USB 3.0 port. 3. Connect the power cord Connect the power cord to the monitor, then to a properly grounded AC outlet. 4. Turn on the monitor and computer Turn on the monitor first, then the computer. This sequence is very important. 5. If the monitor does not function properly, please refer to the troubleshooting section to diagnose the problem. 9

****** Page 21 ****** User controls Power Switch/Power LED: To turn the monitor ON or OFF. Lights up to indicate the power is turned ON. Using the Shortcut Menu 2 Press the function button to open the shortcut menu. The shortcut menu lets you quickly select the most commonly accessed settings. Empowering Key/Exit Press this button to select scenario mode. When the OSD menu is active, this button will act as the exit key (exit OSD menu). Volume Key/Enter Press this button to adjust volume. a. Press to enter a selection in the OSD. b. When OSD Lock push 3 seconds Lock function is disabled Input source switching/Up/Left a. Use the INPUT hotkey to enter Input select function. b. Press this button to select the desired item when in OSD menu. — OSD functions/Down/Right a. Press to view the OSD. b. Press this button to select the desired item when in OSD menu. 10

****** Page 22 ****** How to adjust a setting Mode Management Menu sRGB Standard Operation instructions Acer Mode Management Menu 709 HOR Step 1: Press Key to open the Mode Management Menu and access the scenario modes Step 2: Press “4′ or “S’ to select the mode Step 3: Press Key to confirm the mode and exit the Mode Management menu. Features and Benefits Main Menu Icon Sub Menu icon N/A N/A N/A N/A N/A Sub Menu item sRGB Mode Rec709 I-ADR User Mode Standard Mode ECO Mode Graphics Mode Description sRGB mode provides better color matching with peripheral devices such as printers and digital cameras. Rec709 mode is the same with sRGB mode but for the Rec.709 color space. HDR mode provide a”High Dynamic Range”to helps create lifelike images while replicating accurate details in lighting and shades to create a picture which is truthfully bright or dark, without sacrificing detail. In User mode the settings can be fine-tuned to suit any situation. The default setting demonstrates the native display settings. ECO mode adjusts the settings to reduce power consumption. Graphics mode enhances colors and emphasizes fine details. Movie mode presents great visuals, even in unsuitably- Movie Mode lit environments.

****** Page 23 ****** Adjusting the OSD settings Note: The following content is for general reference only. Actual product specifications may vary. The OSD can be used for adjusting the settings of your LCD Monitor. Press the F key to open the OSD. You can use the OSD to adjust the picture quality, OSD setting and general settings. For advanced settings, please refer to following page: Adjusting the picture quality Picture Color Audio Performance Systern Inftrmation Brightness Contrast Black Bcx)st Blue Light ACM HOR Super Sharpness 1. 2. 3. 4. 5. 6. 7. 8. Press the key to bring up the OSD. Using the A/ V keys, select Picture from the OSD menu. Then navigate to the picture element you wish to adjust. Use the keys to adjust the sliding scales. The Picture menu can be used to adjust the current Brightness, Contrast, Black Boost, BlueLight, ACM, HDR, Super Sharpness qualities. Brightness: Adjust the brightness from 0 to 100. Note: Adjusts the balance between light and dark shades. Contrast: Adjust the contrast from 0 to 100. Note: Sets the degree of difference between light and dark areas. Black Boost: Adjust the black level from 0 to 10. Enhances shadows by increasing the brightness without changing lighter shades. Blue Light: Filters out blue light to protect your eyes by adjusting how much blue light is shown — 80%, 70%, 60%, or 50%. Note: A higher value allows more blue light to pass through, so in order to achieve the best protection, please select a lower value, of which 50% is in the best state and has been tested by TUV Rheinland and meet the requirements of TUV Rheinland’s “Low Blue Light Content” standard. 12

****** Page 24 ****** 9. ACM:Turn ACM on or off. Note: Set to “On”, will be based on the current screen to dynamic contrast adjustment. 10.Super Sharpness: Turn the Super Sharpness On or Off. Super Sharpness technology can simulate high-resolution images by boosting the pixel density of the original source to make images sharper and clearer. Adjusting the Color setting Picture Color Audio Performance OSD System Information Mode – Standard Gamma Color Temp. R Gain G Gain B Gain R Bias G Bias B Bias 2.2 Warm 1. 2. 3. 4. 5. 6. 7. 8. 9. Press the key to bring up the OSD. Using the A/V keys, select Color from the OSD menu. Then navigate to the feature you wish to adjust. Use the keys to adjust the sliding scales. The Color menu can be used to adjust the current Gamma, Color Temp. Mode, sRGB Mode, Grayscale Mode and other color-related qualities. Color temperature: Default is warm. You can choose Cool, Normal, Warm, Bluelight or User. Modes: To choose scenario mode. sRGB: Default is off. You can turn sRGB on or off to better color match with peripheral devices, such as printers and digital cameras. Grayscale Mode: To choose Grayscale mode. 6-axis Hue: Adjust the red, green, blue, yellow, magenta and cyan hue. 1 0.6-axis Saturate: Adjust the red, green, blue, yellow, magenta and cyan saturation. 13

****** Page 25 ****** Adjusting the Audio setting OSD 4)) Audx• 4) Picture Color Audio Performance System Information Mode Standard Volume Mute 1. Press the= key to bring up the OSD. 2. Using the A/’ keys, select Audio from the OSD. Then navigate to the feature you wish to adjust. 3. Use the4/> keys to adjust the sliding scales. Adjusting the Performance setting Picture Cdor OSD System O Infixmation Mode – Standard Over Drive FreeSync Refresh Rate Num LJfra Low No:rmd 1. Press the E key to bring up the OSD. 2. Using the A/V keys, select Performance from the OSD menu. Then navigate to the feature you wish to adjust. 3. Use the O keys to adjust the sliding scales. 4. The Performance menu can be used to adjust the screen Over Drive, FreeSync,Refresh Rate Num,VRB and Ultra Low Latency settings. 14

****** Page 26 ****** Adjusting the OSD setting Color 4)) Picture Audio Performance OSD System Information Mode • Standard Language OSD Timeout Transparency OSD English off 1. 2. 3. 4. 5. 6. Press the key to bring up the OSD. Using the A/ V keys, select OSD from the OSD menu. Then navigate to the feature you wish to adjust. Use the keys to adjust the sliding scales. The Setting menu can be used to adjust the screen Menu Language,OSDTlmeout and other important settings. OSD timeout: Adjust the delay before turning off the OSD menu. Transparency: Select the transparency when using gaming mode. The transparency can be 0% (OFF), 20%, 40%, 60%, or 80%. 7. OSD Lock:T0 control OSD Key lock On/Off. Note: OSD Locked: • Set the OSD Lock to “On” by the OSD option and press “Enter” to execute the All Key lock function. The ‘IOSD Locked” message will be displayed in the middle of the screen. LED lights will be changed from blue light to orange light. • Press any Key screen to prompt “OSD Locked” message. OSD Unlocked: • In normal display condition to press the ‘IOSD Key 4″ in the middle of more than 3 seconds to trigger “OSD Unlock”. • The “OSD Unlock” message will be displayed in the middle of the screen. LED lights will be restored to blue light. 1 23 45 15

****** Page 27 ****** Product the System setting Picture Color Audio Performance System Inforrnation Mode – Standard Input Auto Source DP Forrnat Wide Mode PIP/PBP Hot Key Assignment DDC/CI HDMI Black Level HDMI 2(2.0) On DPI -2 On Normal 1. 2. 3. 4. 5. Press the key to bring up the OSD. Using the A/’ keys, select System from the OSD. Then navigate to the feature you wish to adjust. Use the keys to adjust the sliding scales. The Performance menu can be used to adjust the Input, Auto Source, DP Format, Wide Mode, PIP/PBP, Hot Key Assignment and other important settings. DDC/CI: Allows the monitor settings to be set through the software on the PC. Note: DDC/CI, short for Display Data Channel/Command Interface, which allows monitor controls to be sent via software. Product the Information setting Picture 4)) Mode • Standard Mahi Sarce HDMI 1 3440×1440. H: KHz, V: Hz Reset All Setthgs 1. Press the E key to bring up the OSD. 2. Using the A/’ keys, select Information from the OSD. The basic information of LCD monitor will show up for current input. 3. The Information menu can be used to adjust the IReset All Settings and Exit settings. 16

****** Page 28 ****** Troubleshooting Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem HDMI/DP model Problem LED status No picture visible Blue Off Orange Unstable picture Abnormal picture Image is missing, off-center, too large or too small on the screen. Remedy Using the OSD, adjust brightness and contrast to maximum or reset to their default settings. Check the power switch. Check if the power cord is properly connected to the monitor. Check if the video signal cable is properly connected at the back of monitor. Check if the computer system is switched on and in power saving/standby mode. Check if the specification of graphics adapter and monitor is in compliance which may be causing the input signal frequency mismatch. Check the display setting on your system. In case of a missing image, please select another resolution or vertical refresh rate. Wait for a few seconds after adjusting the size of the image before changing or disconnecting the signal cable or switching off the monitor. Note: Acer monitor is purposed for video and visual display of information obtained from electronic devices.


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ACER CB342CK (01) PDF MANUAL

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