KOORUI 27E6QC Monitor User Manual
This user manual provides comprehensive information for the KOORUI 27E6QC monitor. It covers product specifications, safety guidelines, installation procedures, OSD functions, common applications, and troubleshooting tips.
Product Parameters
| Product Parameters | Physical Properties | ||
|---|---|---|---|
| MODEL NO. | 27E6QC | Signal Cable Type | Separable |
| Display | Power Type | Built-in power supply | |
| LCD Technology | VA | Input Voltage | 100~240V 47/63Hz |
| Screen Type | 1800R Curved | DC Output voltage/current | 19V/2.5A |
| Reaction Time(G/G) | 1ms (MPRT) | Power Consumption | Boot ≤48W, Sleep ≤0.3W |
| Pixel Distance | 0.2331mm | VESA Mount supported | 75×75mm |
| Display Color | 16.7M colors | Product Height | 458.70mm |
| Image Ratio | 16:9 | Product Width | 612.24mm |
| Perspective(typ.) | 250cd/m² | Product Depth | 229.17mm |
| Resolution | 2560×1440 | Product Weight | 5.10kg |
| Maximum Refresh Rate | 144Hz | FCL Weight | 5.90kg |
| Viewing Angle (H/V) | 178°/178° | Output Port | |
| Static Contrast | 3000:1 | HDMI 1.4 | 1 |
| Dynamic Contrast | 20000000:1 | HDMI 2.0 | 1 |
| Vertical frequency conversion technology | Adaptive-Sync (Compatible with FreeSync and G-Sync) | DisplayPort 1.2 | 1 |
| DCI-P3 color gamut | 85% | Audio | 1 |
| Model Type | Digital signal | Audio OUT | 1 |
| Language | English, Chinese, German, Japanese, Italian, French optional | Use Environment | |
| Working Temperature | 0~40°C | Storage Temperature | -20~60°C |
| Eye Protection Mode | Yes | Working Humidity | 10%~80% |
| Built-in Speaker | No | Storage Humidity | 5%~95% |
Chapter I: Attention
1.1 Safety Precautions
Warning: A serious or fatal injury may result if instructions are not followed.
Caution: Personal injury or damage to properties may result if instructions are not followed.
RISK OF ELECTRIC SHOCK. DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). THERE ARE NO USER SERVICEABLE PARTS INSIDE. REFER ALL SERVICING TO PROFESSIONAL.
| ⚠️ | This symbol indicates that high voltage is present inside. It is dangerous to make any kind of contact with any internal part of this product. | 〰️ | AC voltage: Rated voltage marked with this symbol is AC voltage. |
| ❗ | This symbol indicates that this product has included important literature concerning operation and maintenance. | ⎓ | DC voltage: Rated voltage marked with this symbol is DC voltage. |
| ⬜ | Class II product: This symbol indicates that a safety connection to electrical earth (ground) is not required. If this symbol is not present on a product with a mains lead, the product MUST have a reliable connection to protective earth (ground). | ℹ️ | Caution. Consult instructions for use: This symbol instructs the user to consult the user manual for further safety related information. |
1.2 Storage Precautions
- Keep away from water sources or damp places, such as bathrooms, kitchens, basements, swimming pools, etc.
- Ensure that the equipment is installed and placed smoothly. If it falls, it may cause human injury or equipment damage.
- Store in a cool, dry and ventilated place, and do not approach radiation sources and heat sources.
- Do not cover or plug the ventilation holes in the back shell, and do not use them on beds, sofas, blankets or similar surfaces.
- The power supply voltage range of equipment operation is indicated on the label of the back shell. If the supplied voltage cannot be determined, consult the local power company.
- When the monitor is not used for a long time, please cut off the power supply to prevent the damage of the motor and abnormal power supply voltage in thunderstorm days.
- Do not overload the socket, which may cause fire and electric shock.
- Please do not put foreign bodies into the machine, which may cause short circuit or cause fire and electric shock.
- Please do not disassemble or repair this product by yourself. If there is any fault, please contact the after-sales service personnel directly.
- Please do not pull or twist the power cord excessively.
1.3 Securing the Installation Space
Make sure to have enough space for ventilation when placing the product. An internal temperature rise may cause fire and damage the product. Maintain enough space around the product as shown in the diagram when installing the product.
Diagram Description: The diagram shows the monitor with recommended clearances. A 10cm space is indicated on all sides (front, back, left, right, top, and bottom) of the monitor for proper ventilation.
1.4 Protection Recommendations:
Suggestions for eyes
In order to avoid eye fatigue and pain in neck, arms, back and shoulders caused by long-term use of the monitor, please pay attention to the following points:
- Place the monitor 20-28 inches (about 50-70cm) away from your eyes.
- Use the monitor to keep the eyes moist or increase the blinking frequency.
- After using the monitor for 2 hours, please rest for 20 minutes.
- When resting, leave your eyes away from the monitor and look at the distance for 20 seconds.
- When resting, stretch or relieve your neck, arms, back and shoulders.
Low blue light description
The blue light wavelength is in the blue light band, and the display has the function of reducing blue light emission. You can select "eye protection mode" in the menu to protect your eyes.
Cleaning your monitor
To clean your screen, lightly dampen a soft, clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the anti static coating. Do not use benzene, thinner, ammonia, abrasive cleaners or compressed air.
1.5 Precautions for Moving the Product
- ❌ Do not directly apply pressure on the screen. Do not hold the screen when moving the product.
- ✔️ Hold the lower corners or edges of the product when moving it.
Chapter II: Preparation Before Use
2.1 Accessories:
Your monitor is equipped with the following components. Please check whether all parts have been received. If there are any omissions, please contact Koorui.
Included Accessories: Outer box, Monitor, Stand neck, Base, AC cable, DisplayPort Cable, Adapter, User Manual.
2.2 Holder Installation:
2.2.1 Monitor Holder Installation
Step 1: Push the monitor stand to install it, and make sure the hook is "clicked" to confirm it is in place. After loading, no obvious shaking was found when shaking the bracket.
Step 2: Align the base with the connection hole of the monitor stand (designed to stay in the direction). Push the base flat until there is a "click" sound, and the base is installed. After the base is installed, it can be pulled out lightly, but cannot be pulled out completely, and can be placed on the desktop.
2.2.2 VESA Holder Installation & Attention
- VESA device can be purchased separately. Refer to the user guide provided with your VESA device for details.
- Diagram Description: The diagram shows the back of the monitor with a VESA mount attached using M3*7mm screws. The VESA support size is indicated as 75x75mm.
- Install your wall mount on a solid wall perpendicular to the floor. Before attaching the wall mount to surfaces other than plaster board, please contact your nearest dealer for additional information. If you install the product on a slanted wall, it may fall and result in severe personal injury.
- Do not mount the product at more than a 15 degree tilt.
- Assemble VESA holder (using retaining screws removed from rear shell).
- Wall mounting screws require M4 screws, the length should not exceed 7mm.
2.3 Holder removal
2.3.1 VESA Holder removal
Diagram Description: The image shows the VESA mount attached to the monitor. The text indicates to "Remove the VESA screws".
2.3.2 Monitor Holder removal
Step 1: Press and hold the PUSH button, then keep the pre-pressed state, and exit the monitor stand in two directions.
Step 2: Pre-press the hook, exit the base and monitor stand.
2.4 Interface and Data Cable Connection Instructions
Diagram Description: The diagram shows the rear ports of the monitor and the connection cables. Ports include HDMI 1, HDMI 2, DP, and AUDIO. Cables shown are HDMI, DisplayPort, and audio cables.
| Port | Port Description |
|---|---|
| HDMI 1 | Connects to a PC using a HDMI cable. |
| HDMI 2 | Connects to a PC using a HDMI cable. |
| DP | Connects to a PC using a DP cable. |
| ? | Connect to an audio output device such as headphones or earphones. Note: Converting DVI and VGA does not support sound mode. |
| ? | Connects to the DC cable. |
Connecting and using a PC
- Choose the connection method that suits your PC.
- Connecting parts may vary from product to product.
- HDMI 2.0/DP port supports 2560*1440p, 144Hz; HDMI 1.4 supports 1920*1080p, 144HZ or 2560*1440p 60HZ, please select the connection mode you want.
- The HDMI cable is divided into 1.4 and 2.0, docking station also supports port type version, please consult with the dealer whether it matches the interface of this product.
Connecting and using source devices
Read below before installing the product.
- Before installing the product, check the shapes of both ports of the supplied signal cables and the shapes and locations of the ports on the product and external device.
- Before connecting signal cable, make sure you remove the power cables from both the product and the external device to prevent damage to the product due to a short circuit or over current.
- After all signal cables have been properly connected, connect the power cables back to the product and the external device.
- After installation is completed, make sure you read the user guide to acquaint yourself with the product functions, precautions and other information required to use the product properly.
Please read the user guide provided by the source device for the operation mode of the source device. The original device signal is abnormal. It is recommended to contact the source device manufacturer first. If you need assistance, please contact Koorui customer services.
2.5 Adjusting the Product Tilt
Diagram Description: The image shows the monitor tilted. Text indicates "Adjustable display with tilt from -5°~15°".
2.6 Anti-theft Lock
An anti-theft lock allows you to use the product securely even in public places. The locking device shape and locking method depend on the manufacturer.
To lock an anti-theft locking device:
Diagram Description: The image shows the back of the monitor with a slot for an anti-theft cable. A close-up shows a typical anti-theft cable lock mechanism.
- An anti-theft locking device can be purchased separately.
- Refer to the user guide provided with your anti-theft locking device for details.
Chapter III: OSD Function
The OSD function information table of this product is as follows. If there is any question about the operation process, please contact Koorui customer services.
Diagram Description: The diagram illustrates the monitor's control buttons and their functions. Arrows indicate selecting left/right items and the menu. The monitor itself is shown.
| Control | Function | Description |
|---|---|---|
| M (Menu) | Menu | Press this button to display the main menu, return to the previous menu or exit the main menu. |
| ◀ (Left) | Left | When the menu is opened, press this button to select the left item, and the value of the progress bar will decrease. When the menu is closed, it acts as the specified shortcut volume mode hotkey. |
| ▶ (Right) | Right | When the menu is opened, press this button to select the right item, and the value of the progress bar will increase. When the menu is closed, it acts as the specified shortcut volume mode hotkey. |
| ▼ (Fix on) | Fix on | If the menu is active, pressing this key selects the function. When the menu is closed, it acts as the specified shortcut Crosshair mode hotkey. |
| ⏻ (Power button) | Power button | Press it to turn on/off the monitor. |
| Power LED | Power LED | Remains on: normal working state; Flashes: power-saving standby state. |
OSD Menu Options
| First order menu | Secondary menu | Tertiary menu | Description |
|---|---|---|---|
| Display | Brightness | ➖➕ | Adjust the brightness of your display by pressing the left and right keys (-/+). |
| Contrast | ➖➕ | Adjust the contrast of your display by pressing the left and right keys (-/+). | |
| DCR | ON OR OFF | ON: Turn On; OFF: Turn Off. Automatic identification output dynamic adjustment can be selected; If you choose dynamic contrast, manually adjusting brightness and darkness will automatically turn off. | |
| Language | Chinese | / | After confirmation by "E", the OSD menu options will be changed to Chinese language. |
| English | / | After confirmation by "E", the OSD menu options will be changed to English language. | |
| French | / | After confirmation by "E", the OSD menu options will be changed to French language. | |
| German | / | After confirmation by "E", the OSD menu options will be changed to German language. | |
| Italian | / | After confirmation by "E", the OSD menu options will be changed to Italian language. | |
| Japanese | / | After confirmation by "E", the OSD menu options will be changed to Japanese language. | |
| Game mode | OD mode | ON OR OFF | ON: Turn On; OFF: Turn Off. Turn on OD mode. |
| FreeSync Premium | ON OR OFF | ON: Turn On; OFF: Turn Off. Open FreeSync (need your source device support, open the display FreeSync before using). | |
| MPRT | ON OR OFF | ON: Turn On; OFF: Turn Off. Turn on MPRT mode. | |
| Color temperature | Standard | / | Turn on Standard mode. |
| MOVIE | / | Turn on Movie mode. | |
| FPS | / | Turn on FPS mode. | |
| RTS | / | Turn on RTS mode. | |
| Eye Saver | / | Turn on eye protection mode. | |
| Cool | / | When confirmed, turn on cool color temperature mode (when turned on, DCI-P3 mode will be automatically exited). | |
| Warm | / | When confirmed, turn on warm color temperature mode (when turned on, DCI-P3 mode will be automatically exited). | |
| User | R | / | Adjust the red saturation level. Values closer to 100 indicate greater color intensity. |
| G | / | Adjust the green saturation level. Values closer to 100 indicate greater color intensity. | |
| B | / | Adjust the blue saturation level. Values closer to 100 indicate greater color intensity. | |
| DCI-P3 | DCI-P3 | / | DCI-P3 mode. |
| Aspect Ratio | AUTO | / | After selection, automatically find the input source. |
| Input Source | 16:9 | / | Select to display the image of the sub-screen with an aspect ratio of 16:9. |
| 4:3 | / | Select an aspect ratio of 4:3 to display the image of the sub-screen. Applicable to video and standard broadcasting. | |
| HDMI 1 | / | Select HDMI 1 Signal Input (HDMI 1.4 port). | |
| HDMI 2 | / | Select HDMI 2 Signal Input (HDMI 2.0 port). | |
| DP | / | Select DisplayPort Signal Input (DisplayPort port). | |
| Other | Power Off | ON OR OFF | ON: Turn On; OFF: shutdown. Turn on the power off, and the display will be automatically turned off after 4H. |
| Gamma | Gamma 1 | Select Gamma Mode 1 to use. | |
| Gamma 2 | Select Gamma Mode 2 to use. | ||
| ? | Adjust the sound size. The higher the value, the louder the sound. | ||
| Reset | YES OR NO | / | In addition to OSD language, you can reset your other option settings and revert to the factory settings of the product. |
| Exit | / | Exit OSD menu. | |
| Return | / | Return to the previous menu (this selection only appears in the second/third order settings). |
Crosshair Options
| Crosshair Type | Description |
|---|---|
| Crosshair 1 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
| Crosshair 2 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
| Crosshair 3 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
| Crosshair 4 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
| Crosshair 5 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
| Crosshair 6 | Confirm to use this crosshair graphic sight (supported by the source equipment). |
Timer Options
| Timer Setting | Description |
|---|---|
| 30 | After selection, turn on the 30-minute timer function (countdown will appear in the upper left corner). |
| 40 | After selection, turn on the 40-minute timer function (countdown will appear in the upper left corner). |
| 50 | After selection, turn on the 50-minute timer function (countdown will appear in the upper left corner). |
| 60 | After selection, turn on the 60-minute timer function (countdown will appear in the upper left corner). |
| 90 | After selection, turn on the 90-minute timer function (countdown will appear in the upper left corner). |
| OFF | Turn off Timer Mode. |
Chapter IV: Common Applications
Precautions:
- When you are not watching movies or games, it is best to set the response time and mode to standard.
- Under dynamic contrast, brightness and contrast cannot be adjusted.
- Image ratio and MPRT cannot be adjusted under FREESYNC.
- Standard mode provides the clearest display effect; adjust it according to your preference.
- Cinema mode, eye protection mode, FPS mode, and RTS mode do not allow adjustment of brightness and contrast.
- Eye protection mode does not allow adjustment of color temperature.
- In MPRT mode, OD acceleration cannot be started.
- If you have any other questions, you can consult Koorui customer service staff.
4.1 Resolution and Refresh Rate Setting
4.1.1 Resolution settings
Navigate: Windows Settings → System → Screen → Display Resolution
4.1.2 Refresh rate setting
Navigate: Windows Settings → System → Screen → Advanced Display Settings → Refresh Rate
In Multiple Screen Control, in Advanced Display Settings, select the display you want to set.
4.2 Display expansion
Screen expansion function setting.
Navigate: Windows Settings → System → Screen → Multiple Display Settings → Select "Expand This Display"
4.3 Display Sound Output Setting
HDMI, DP sound effect selection;
Navigate: Windows Settings → System → Sound → Output → Select Output Settings
4.4 Display Direction Setting
Navigate: Windows Settings → System → Screen → Display Direction
4.5 Windows Personalized Fonts
(Including: blurred fonts, desktop fonts with colors)
Navigate: Windows Settings → Personalize → Font → Adjust ClearType text and change Turn on ClearType.
Chapter V: Q&A
The following table lists some common monitor problems that you may encounter and their solutions.
If you can't solve your difficulties, please contact Koorui customer services.
- Official website: http://www.koorui.net/
- E-mail: support@koorui.net
| Problem | Solution |
|---|---|
| Blank spaces are found on all four sides of the screen when an HDMI or DP cable is connected to the product and PC. | The blank spaces found on the screen have nothing to do with the product. Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem, adjust the screen size in the HDMI or DP settings for the graphics card. If the graphics card settings menu does not have an option to adjust the screen size, update the graphics card driver to the latest version. (Please contact the graphics card or PC manufacturer for further details about how to adjust the screen settings.) |
| The power LED is off. The screen will not turn on. | Check that the power cable is connected properly. If a problem occurs with the monitor screen, run Self Diagnosis to check that the monitor is working properly. |
| Not Optimum Mode is displayed. | This message appears when the signal from the graphics card exceeds the maximum resolution or frequency for the product. Change the maximum resolution and frequency to suit the product performance. |
| The images on the screen look distorted. | Check the cable connection to the product. Remove any accessories (video extension cable, etc.) and try again. Set the resolution and frequency to the recommended level. |
| The screen is not clear or blurry. | Check that the resolution and frequency for the PC are within the range of resolution and frequency compatible with the product. Next, if required, change the settings, referring to Standard Signal Mode. |
| The screen appears unstable and shaky. | Adjust Brightness and Contrast. |
| There are shadows or ghost images left on the screen. | Change the Color Settings. |
| The screen is too bright or too dark. | The product is operating in power-saving mode. Press any key on the keyboard or move the mouse to return to normal operating mode. Observe whether the computer operates or restarts the device through the PC keyboard Caps Lock. |
| White does not really look white. | Playback of high-definition large video files can be choppy. This may be because the video player is not optimized for the PC resource. Try playing the file on another video player. |
| There is no image on the screen and the power LED blinks every 0.5 to 1 second. | If the input device is connected using an HDMI-DVI cable, no sound will be heard. You should connect the device using an HDMI cable or a DP cable. Re-check the condition of the connected audio cable and/or adjust the volume. Check the volume. Check whether audio is set to mute. The monitor sound output is not set, refer to [4.3 Display Sound Output Setting]. Volume adjustment. If the volume is still low after turning it up to the maximum level, adjust the volume on your PC sound card or software programme. No sound can be heard if the input device is connected with an HDMI-DVI cable. Connect the device using an HDMI cable or a DP cable. The monitor sound output is not set, refer to [4.3 Display Sound Output Setting]. |
| Video playback is choppy. | When you buy and sell European products, European regulations have energy efficiency requirements. |
| The monitor is no sound. | Under the power setting state, the monitor is turned off for a short time. Windows settings==>system==>power and sleep==>screen==>Reset the TIME. |
| The volume is too low. | Volume adjustment. If the volume is still low after turning it up to the maximum level, adjust the volume on your PC sound card or software programme. |
| Video is available but there is no sound. | No sound can be heard if the input device is connected with an HDMI-DVI cable. Connect the device using an HDMI cable or a DP cable. The monitor sound output is not set, refer to [4.3 Display Sound Output Setting]. |
| An energy efficiency prompt appears on the monitor or "XXS Power down. MENU Key Cancel" appears in the upper left corner of the monitor | When you buy and sell European products, European regulations have energy efficiency requirements. |
| The monitor quickly goes to a black screen state (no display) | Under the power setting state, the monitor is turned off for a short time. Windows settings==>system==>power and sleep==>screen==>Reset the TIME. |
Related Documents
 |
KOORUI 27E6QC Monitor User Manual Comprehensive user manual for the KOORUI 27E6QC monitor, covering product parameters, installation, OSD functions, common applications, and troubleshooting. |
 |
KOORUI 24N5C Curved Monitor User Manual User manual for the KOORUI 24N5C curved monitor, detailing product specifications, safety guidelines, installation procedures, OSD functions, and troubleshooting tips. |
 |
KOORUI 24E3 Monitor User Manual User manual for the KOORUI 24E3 monitor, covering specifications, setup, OSD functions, common applications, and troubleshooting. |
 |
KOORUI Monitor User Manual This user manual provides comprehensive instructions for the KOORUI monitor, covering setup, features, troubleshooting, and safety guidelines. It details button functions, OSD menu options, and solutions to common problems, ensuring optimal use and care of the device. |
 |
KOORUI G2421V Monitor User Manual User manual for the KOORUI G2421V monitor, covering setup, features, troubleshooting, and specifications. Includes information on display settings, connectivity, and safety precautions. |
 |
KOORUI Monitor FAQs and Troubleshooting Guide Comprehensive FAQs and troubleshooting tips for KOORUI monitors, covering signal issues, screen problems, dead pixels, color gamuts (sRGB, Adobe RGB, DCI-P3), refresh rates, and graphics card compatibility for various resolutions. |
 |
KOORUI 25E3A Monitor Installation Guide Step-by-step installation instructions for the KOORUI 25E3A gaming monitor. This guide covers unboxing, assembling the stand, connecting cables (HDMI, DisplayPort), powering on the device, and adjusting the tilt for your new 24.5-inch, 180Hz/200Hz, 1ms FHD display. |
 |
KOORUI 24E4 Monitor User Manual User manual for the KOORUI 24E4 monitor, covering product parameters, safety precautions, installation, OSD functions, common applications, and troubleshooting. |