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.
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. •...
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.
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: •...
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.
EI491CR SKU Number: EI491CR XXXXXX (“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...
The following local Manufacturer / Importer is responsible for this declaration: Product: LCD Monitor Model Number: EI491CR EI491CR XXXXXX (“x” = 0~9, a ~ z, A ~ Z SKU Number: or Blank) Name of Responsible Party: Acer America Corporation 333 West San Carlos St.,...
Information for Your Safety and Comfort Safety instructions Special notes on LCD monitors Cleaning your monitor Accessibility Safe listening Warnings Using electrical power Product servicing Potentially explosive environments Additional safety information IT Equipment Recycling Information Disposal instructions LCD pixel statement Tips and information for comfortable use Finding your comfort zone Taking care of your vision...
Main Menu The Function page TROUBLESHOOTING HDMI/DP Mode (Optional)
PACKAGE CONTENTS Please check the following items are present when you unpack the box, and save the packing materials in case you will need to ship or transport the monitor in future. LCD Monitor AC Power Cord DP Cable (Optional) HDMI Cable (Optional) Remote Control Quick Start Guide...
Attaching the monitor to the base 1. Unpack the box. Take out the styrofoam 2. Tighten the base and stand arm with three and set it aside. screws. 4. Attach the base of step 2 to the quick 3. Take the LCD monitor out of the box release notch of the LCD monitor securely.
SCREEN POSITION ADJUSTMENT To optimize the viewing position, you can adjust the monitor tilt by using both of your hands to hold the edges of the monitor. The monitor can be adjusted to 15 degrees up or 5 degrees down. Note: Do NOT press the screen with fingers.
Connecting the adapter and AC 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.
Display Data Channel (DDC) To make your installation easier, the monitor is able to Plug and Play with your system if your system also supports DDC protocol. The DDC (Display Data Channel) is a communication protocol through which the monitor automatically informs the host system about its capabilities, for example, supported resolutions and corresponding timing.
Connecting Your Monitor to a Computer 1. Make sure both the monitor and computer are powered-OFF. 2. Connect DP Cable (Only DP-input model) a. Make sure both the monitor and computer are powered-OFF. b. Connect the DP cable to the computer. 3.
External Controls Icon Item Description a. Press to trigger Mode control. b. When the OSD menu is enabled, Mode / Exit press to exit the current menu and go back one level. a. Press the key to open the Brightness control.
Remote Control Icon Item Description Power button Turns the monitor on/off Input button Press to toggle input sources Confirm Enter the selected item. Use the up, down, left and right buttons Arrow key to select an item. Auto/On/Off HDR mode Return Exit the currently selected item Volume "+"...
Using the Shortcut Menu The following content is for general reference only. Actual product specifications may vary. The OSD (On Screen Display) can be used to adjust the settings of your LCD monitor. Press the key to open the OSD. You can use the OSD to adjust the picture quality, OSD position and general settings.
Hot key2 (default: Input) Open the Input control and select DP or HDMI input source. When you are done, use go back one level.
Main Menu The Function page Open the Function page to select a menu function, and adjust the settings which you want using the arrows. You can also view your monitor’s system information from this page. When you are done, use to go back one level.
8. Blue Light: filter out blue light by adjusting different Blue Light showing ratio - 80%, 70%, 60%, 50%. Note: Higher values allow more blue light through. For the best protection, select a lower value. 9. ACM: Turn ACM on or off. The default is off. 10.
6. R Gain: Adjust the red gain. 0-100 available. G Gain: Adjust the green gain. 0-100 available. B Gain: Adjust the blue gain. 0-100 available. 7. R Bias: Adjust the red bias. 0-100 available. G Bias: Adjust the green bias. 0-100 available. B Bias: Adjust the blue bias.
Gaming Mode - Standard Picture Over Drive Normal Color FreeSync Extreme Refresh Rate Num Audio AimPoint Gaming System Information 1. Press the MENU key to open the OSD. 2. Using the button, select Gaming from the OSD. Then navigate to the setting you wish to adjust.
Mode - Standard Picture Language English Color OSD Timeout Transparency Audio Gaming OSD L ock System Information 1. Press the MENU key to open the OSD. 2. Using the button, select System from the OSD. Then navigate to the setting you wish to adjust.
System Mode - Standard Picture Input Color Auto Source DP F ormat DP1.2 Audio Wide Mode Full Gaming Ambient Light PIP/PBP System Hot K ey Assignment Information DDC/CI Mode - Standard Picture HDMI Black L evel Normal Color Quick Start Mode Audio DFHD 144Hz...
Note: DDC/CI, short for Display Data Channel/Command Interface, which allows monitor controls to be sent via software. 13. HDMI Black Level: You can select the level of blackness under HDMI source. 14. Quick Start Mode: Select Off or On. The default is "Off". Turn on to speed up boot speed. 15.
Save Setting to...(User mode only) Mode - U Picture Game Mode: Action Game Mode: Racing Color Game Mode: Sports Gaming System Information Save Settings to... 1. Press the MENU key to open the OSD. 2. Using the button, select “Save Setting to...” from the OSD. Then select the preferred mode.
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 Mode (Optional) Problems Current Status Remedy No Picture Blue Using OSD, adjust brightness and contrast to maximum or reset to their default settings.