KOORUI G2741L User Manual

Product Specification

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.
• - - - DC voltage: Rated voltage marked with this symbol is DC voltage.
• ? This symbol indicates that this product has included important literature concerning operation and maintenance.
• 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 monitor requires a minimum clearance of 10cm on all sides (front, back, left, right, and top) 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 (approximately 50-70cm) away from your eyes.
• Use the monitor to keep your 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.

Diagram Description: One image shows hands pressing the screen with a red cross (❌) indicating incorrect action. Another image shows hands holding the lower corners of the monitor with a blue checkmark (✔️) indicating the correct action.

Chapter II: Preparation Before Using

2.1 Product Accessories

Your monitor comes with the following parts. Please check that all parts have been received and contact KOORUI if any of them was missed.

• Monitor
• Column
• Bottom Base
• Power cable (length 1.5m)
• DP data cable (length 1.5m)
• Adapter (length 1.2m)
• User Manual
• Installation Manual

2.2 Holder Installation:

2.2.1 Monitor Holder Installation

1. Place a soft cloth on the table to protect the product (or use the foam vinyl that comes with the product packaging), and place the product face down on the soft cloth.
2. Push the column into the main body of the monitor in the direction indicated by the arrow. Check whether the bracket and the main body are firmly connected.
3. Insert the base into the column according to the direction shown in the figure.
4. Check whether the base and the column are firmly connected, and place the installed product on a stable platform according to the pick-and-place method described in section 1.5.
5. Check whether the base and the column are firmly connected, and place the installed product on a stable platform according to the pick-and-place method described in section 1.5.

2.2.2 Installation Diagram of Holder Replacement with VESA Holder

The hole spacing in the wall mount is 75×75mm.

• Remove the original base of the product (please ignore if the base is not installed).
• Remove the 4 screws here (retain the screws in 2.2.2.3; or use the original base bracket later).
• Mount the screw post or use the VESA plastic post (length not less than 24 mm).
• Installation screws (use screw posts, please use the rear shell screws removed in 2.2.2.1; The thread length of the locked screw is 6-8mm if the screw post is not used).

Warning: The thread of the screw attached here exceeds 8mm, to avoid damage to the interior due to excessive thread length.

Wall Mount Notes:

• Please purchase the VESA bracket device separately.
• For more information, please refer to the user guide provided with your VESA bracket device.

2.3 Bracket Disassembly

2.3.1 Schematic diagram for VESA bracket changing to display bracket

Replace the actual monitor color and the foot frame.

• Remove VESA holder screws.
• Remove the VESA screw post (If the screw post is not used, skip this step).
• Use the original back shell screws removed in 2.2.2.1 to lock (or use M4 flat-head screws with a thread length of 6-8mm).
• Install the base. For details, see 2.2.2 Installing Stand.

Note: During disassembly, you should protect the monitor properly. Make sure the monitor or any part of accessories is not damaged.

2.3.2 Removal of the monitor bracket

1. Place the foamed polystyrene (Mat) in the package on the floor and place the product face down on the foamed polystyrene as shown. If you don't have styrofoam, use a thick cushion.
2. Push the base hook.
3. Hold the monitor with one hand, then draw the bracket out by two steps as shown in the picture.
4. Pre-press the hook and separate the column according to the direction shown in the figure.

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 OSD control buttons are located on the back of the monitor. The buttons are described as 'Select the Right item', 'Menu', 'Select the left item', and 'Select this feature'.

Note: Shortcut functions are only accessible within the navigation menu.

OSD Settings Overview

Chapter IV: Common Applications

4.1 Resolution and Refresh Rate Setting

4.1.1 Resolution settings

• Windows: Windows Settings > System > Screen > Display Resolution
• MAC: MAC System Preferences > Monitor > Optimization > Scaling

4.1.2 Refresh rate setting

• Windows: Windows Settings > System > Screen > Advanced Display Settings > Refresh Rate
• MAC: MAC System Preferences > Monitor > Refresh Rate

4.2 Monitor Extension Application

Screen expansion function setting.

• Windows: Windows Settings > System > Screen > Multiple Display Settings > select "Extend This Monitor"
• MAC: MAC System Preferences > Monitor > Arrangement > Mirror Display

4.3 Display Sound Settings

HDMI, DP sound effect selection;

• Windows: Windows Settings > System > Sound > Output > select "Output Settings"
• MAC: MAC System Preferences > Sound > Output

4.4 Display Orientation Settings

• Windows: Windows Settings > System > Screen > Display Orientation
• MAC: MAC System Preferences > Monitor > Optimization > Rotate

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