KOORUI 24E4 Inch Computer Monitor User Manual

User Manual
KOORUI Monitor

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. don’t open

CAUTION:  TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER (OR BACK). There are no user-serviceable parts inside. Delegate all services to qualified persons.
| This symbol indicates that high voltage Is present Inside. It is dangerous to make any kind of contact with any  internal pan 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 the 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 the protective earth (ground).| | 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 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.

1.4 Protection Recommendations:
Suggestions for eyes
In order to avoid eye fatigue and pain in the 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 away from both eyes (about 50-70cm).
• 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 bullous light band, and the display has the function of reducing blue light emission. 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
• Do not hold the screen when moving the product.
• Hold the lower corners or edges of the screen. the product when moving it.

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.

2.2 Holder Installation:
2.2.1 Monitor Holder Installation

Align the monitor stand with the monitor mounting holes and pre-press it to the hooks.| Align the monitor stand with the track and push it into place, and make sure that there is a ‘click’ sound to indicate success.| No obvious shaking was found when shaking the bracket after installation.

Align the base with the connection hole of the monitor stand. 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, and placed on the desktop.| Take out the cable management slot, and verify that the monitor bracket is pushed in at an angle.

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.
  

• 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![KOORUI 24N1A 24 Inch Business Computer Monitor

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  2.3.2 Monitor Holder removal Press and hold the PUSH button, then keep this state, and exit the monitor stand in two directions.Pre-press the hook, and press the PUSH at the same time, Successfully remove the base and monitor stand.

When fixing the monitor stand, it is recommended that you be in a safe and open area, and then pull out the cable management slot with a little force.
2.4 Interface and Data Cable Connection Instructions

Connecting and using a PC

• Choose the connection method that suits your PC.
• Connecting parts may vary from product to 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 overcurrent.
• 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 after-sales staff.
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2.5 Adjusting the Product Tilt

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:
  

• An anti-theft locking device can be purchased separately.

• Refer to the user guide provided with your anti-theft locking device for details.

2.7 preset display modes

NO.| Resolution| Horizontal Frequency (kHz)| Vertical Frequency (Hz)
---|---|---|---
I| 720x400070Hz| 31.| 70.
2| 640x480060Hz| 31.| 60.
3| 640x480072Hz| 38.| 73.
4| 640x480075Hz| 38.| 75
5| 8004000 %HZ| 35.| 5825
6| 800X600060H2| 38.| 60.
7| 8004000 72HZ| 48.| 72.
8| 8004000 MHZ| 47.| 75
9| 832x624075Hz| 48.| 75.
10| 1024x768060Hz| 48.| 60.
11| 1024x768070Hz| 56.| 70.
12| 1024x768075Hz| 60.| 75.
13| 1280x1024075Hz| 80.| 75.
14| 1152x870075Hz| 68.| 75.
15| 1680x1050060Hz| 65.| 60.
16| 1440x900060Hz| 56.| 60.
17| 1280x1024060Hz| 64.| 60.
18| 1280x720060Hz| 45| 60
19| 1280x800060Hz| 50.| 60.
20| 1280x720050Hz| 37.| 50.
21| 720x480060Hz| 30.| 60.
22| 1280x1080060Hz| 68.| so

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.

M| Menu| Press this button to display the main menu, return to the previous menu or exit the main menu.
---|---|---
| 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 act as the specified shortcut volume mode holkey.
Hotkey function: volume down (when M menu is not open).
| Right| When the menu is opened. press this button to Salad the right item, and the value 01 the progress bar win Increase.
When the menu is closed, act as the specified shortcut volume mode hockey.
E| Accessing menu| II the menu is active, pressing this key selects the function.
| Power button| Press It to turn off the monitor.
| Power LED| Remain on : normal wedding state : Flashes: power-saving standby state.
First order menu| Secondary menu| Tertiary menu| Description
---|---|---|---
| | | Adjustable the brightness of your display by pressing the left and right key -/+.
| | Adjustable the contrast of your display by pressing the left and right key -/+.
| 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.
| Chinese| /| After continuation by ‘1E; the OSD menu options will be changed to the 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 the French language:
German| /| Alter continuation by t. the OSD menu options will be changed to the German language:
fallen| /| After confirmation by ‘V, the OSD menu options will be changed to the Italian language:
Japanese| /| After confirmation by ‘V, the OSD menu options will be changed to Japanese language;
| | ON OR OFF| OK Turn On; OFF: Turn OH Turn on OD mode
| | /| turn on Standard mode.
| /| turn on Movie mode.
| /| turn on FPS mode.
| /| turn on RTS mode.
| /| turn on eye protection mode.
| | /| When confirmed, turn on cool color temperature mode (when turned on, DCI-P3 mode will be automatically exited).
---|---|---|---
| /| When confirmed, Turn on warm color temperature mode (when turned on, DCI-P3 mode will be automatically exited).
| 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.
| **AUTO**| /| After selection, automatically find the input source.
| /| Select to display the image of the sub-screen with an aspect ratio of 16 : 9.
| /| Select an aspect ratio of 4: 3 to display the image of the sub-screen. Applicable to video and standard broadcasting.
| VGA| /| Select VGA Signal Input.
| /| Select HDMI Signal Input (HDMI 1.4 Interface).
| | ON OR OFF| Turn on the power off, and the display will be automatically turned off after 4H.
---|---|---|---
| | Select Gamma Mode 1 to use.
| Select Gamma Mode 2 to use.
| /| VGA Signal Image Adjust (only supports VGA signal).
| 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 OSD menu.
/| | /| Return to the previous menu (this selection only appears in the second\ third order settings).

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.
• Standard mode, get the clearest display effect and adjust it according to your preference.
• Cinema mode, eye protection mode, FPS mode, and RTS mode cannot adjust brightness and contrast.
• Eye protection mode cannot adjust color temperature.
• If you have any other questions, you can consult the Koorui customer service staff.

Common Applications

(In the case of Windows 10)
4.1 Resolution and Refresh Rate Setting
4.1.1 Resolution settings
Windows Settings > System — Screen — Display Resolution
4.1.2 Refresh rate setting
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.
Windows Settings — System — Screen — Multiple Display Settings
— Select “Expand This Display”
4.3 Personalized fonts
(Including blurred fonts, and desktop fonts with colors)
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

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 oft. The screen will not turn on.| Check that the power cable is connected properly.
It 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.
The screen is not clear or blurry.| Remove any accessories (video extension cable, etc.) and try again. Set the resolution and frequency to the recommended level.
The screen appears unstable and shaky. There are shadows or ghost images left
on the screen.| 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 is too bright or too dark.| Adjust Brightness and Contrast.
Screen color is inconsistent. The color on the screen have a shadow and are distorted. White does not really
look white.| Change the Color Settings.
There is no image on the screen and the power LED blinks every 0.5 to 1 second.| 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.
Video playback is choppy.| 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.
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

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