ASUS ROG STRIX XG259CM Gaming Monitor User Manual

: June 9, 2024
: Asus

Table of Contents

ROG STRIX XG259CM Gaming Monitor
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

ROG STRIX XG259CM Gaming Monitor

First Edition December 2021
Copyright © 2021 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”). Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.
ii

Contents
Notices…………………………………………………………………………………………… iv Safety information …………………………………………………………………………… v Care & Cleaning ……………………………………………………………………………… vi Takeback Services…………………………………………………………………………. vii Product information for EU energy label…………………………………………. vii Chapter 1: Product introduction 1.1 Welcome! ………………………………………………………………………… 1-1 1.2 Package contents………………………………………………………………. 1-1 1.3 Monitor introduction ………………………………………………………….. 1-2
1.3.1 Front/side view………………………………………………………. 1-2 1.3.2 Back view……………………………………………………………… 1-3 1.3.3 GamePlus Function ……………………………………………….. 1-4 1.3.4 GameVisual Function……………………………………………… 1-5 1.3.5 Other Function(s) …………………………………………………… 1-6 Chapter 2: Setup 2.1 Assembling the monitor arm/base ……………………………………… 2-1 2.2 Cable management ……………………………………………………………. 2-1 2.3 Adjusting the monitor………………………………………………………… 2-2 2.4 Detaching the arm (for VESA wall mount) …………………………… 2-3 2.5 Connecting the cables……………………………………………………….. 2-4 2.6 Turning on the monitor………………………………………………………. 2-5 Chapter 3: General instructions 3.1 OSD (On- Screen Display) menu ………………………………………… 3-1 3.1.1 How to reconfigure…………………………………………………. 3-1 3.1.2 OSD function introduction ……………………………………….. 3-1 3.2 Specifications summary ……………………………………………………. 3-7 3.3 Outline dimensions……………………………………………………………. 3-9 3.4 Troubleshooting (FAQ)…………………………………………………….. 3-10 3.5 Supported operating mode ………………………………………………. 3-11
iii

Notices
Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: · This device may not cause harmful interference, and · This device must accept any interference received including interference that
may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.
Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. This class B digital apparatus complies with Canadian ICES-003. This Class B digital apparatus meets all requirements of the Canadian Interference – Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le matériel brouiller du Canada.
iv

Safety information
· Before setting up the monitor, carefully read all the documentation that came with the package.
· To prevent fire or shock hazard, never expose the monitor to rain or moisture. · Never try to open the monitor cabinet. The dangerous high voltages inside the
monitor may result in serious physical injury. · If the power supply is broken, do not try to fix it by yourself. Contact a qualified
service technician or your retailer.
· Before using the product, make sure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.
· Slots and openings on the back or top of the cabinet are provided for ventilation. Do not block these slots. Never place this product near or over a radiator or heat source unless proper ventilation is provided.
· The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supply to your home, consult your dealer or local power company.
· Use the appropriate power plug which complies with your local power standard. · Do not overload power strips and extention cords. Overloading can result in fire
or electric shock.
· Avoid dust, humidity, and temperature extremes. Do not place the monitor in any area where it may become wet. Place the monitor on a stable surface.
· Unplug the unit during a lightning storm or if it will not be used for a long period of time. This will protect the monitor from damage due to power surges.
· Never push objects or spill liquid of any kind into the slots on the monitor cabinet.
· To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100-240V AC.
· If you encounter technical problems with the monitor, contact a qualified service technician or your retailer.
· Adjustment of the volume control as well as the equalizer to other settings than the center position may increase the ear-/headphones output voltage and therefore the sound pressure level.
· The adapter is only used for this monitor, do not use it for other purpose. Your device uses one of the following power supplies: – Manufacturer: Delta Electronics Inc., Model: ADP-90LE B
This symbol of the crossed out wheeled bin indicates that the product (electrical, electronic equipment, and mercury-containing button cell battery) should not be placed in municipal waste. Please check local regulations for disposal of electronic products.
AEEE yönetmeliine uygundur
v

Care & Cleaning
· Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord.
· Cleaning. Turn your monitor off and unplug the power cord. Clean the monitor surface with a lint-free, non-abrasive cloth. Stubborn stains may be removed with a cloth dampened with mild cleaner.
· Avoid using a cleaner containing alcohol or acetone. Use a cleaner intended for use with the monitor. Never spray cleaner directly on the screen, as it may drip inside the monitor and cause an electric shock.
The following symptoms are normal with the monitor:
· The screen may flicker during the initial use due to the nature of the fluorescent light. Turn off the Power Switch and turn it on again to make sure that the flicker disappears.
· You may find slightly uneven brightness on the screen depending on the desktop pattern you use.
· When the same image is displayed for hours, an afterimage of the previous screen may remain after switching the image. The screen will recover slowly or you can turn off the Power Switch for hours.
· When the screen becomes black or flashes, or cannot work anymore, contact your dealer or service center to fix it. Do not repair the screen by yourself!
Conventions used in this guide WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task. IMPORTANT: Information that you MUST follow to complete a task. NOTE: Tips and additional information to aid in completing a task.
vi

Where to find more information Refer to the following sources for additional information and for product and software updates. 1. ASUS websites
The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com 2. Optional documentation Your product package may include optional documentation that may have been added by your dealer. These documents are not part of the standard package.
Takeback Services
ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for our customers to be able to responsibly recycle our products, batteries and other components as well as the packaging materials. Please go to http://csr.asus.com/english/Takeback.htm for detail recycling information in different region.
Product information for EU energy label
XG259CM
vii

viii

1.1 Welcome!
Thank you for purchasing the ROG gaming monitor! The latest widescreen LCD monitor from ASUS provides a broader, brighter and crystal-clear display, plus a host of features that enhance your viewing experience. With these features, you can enjoy the convenience and delightful visual experience that the monitor brings to you!
1.2 Package contents
Check your package for the following items: LCD monitor Monitor base Quick start guide Warranty card Power adapter Power cord DP cable (optional) HDMI cable (optional) USB Type-A to Type-B cable (optional) USB Type-C cable (optional) Color calibration testing report ROG sticker If any of the above items is damaged or missing, contact your retailer immediately.

ROG Strix XG259CM Series Gaming LCD Monitor

1-1

1.3 Monitor introduction
1.3.1 Front/side view
1 2 3 4 5

( 5-way) button:

· Turns on the OSD menu. Enacts the selected OSD menu item.

· Increases/Decreases values or moves your selection up/down/left/right.

· Turns on the OSD menu when the monitor enters standby mode or displays the “NO SIGNAL” message.

button

· Exits the OSD menu item.
· Turns on the OSD menu when the monitor enters standby mode or displays the “NO SIGNAL” message.

Shortcut 1 button:

· Default: GamePlus.
· To change the shortcut function, go to the MyFavorite > Shortcut > Shortcut 1 menu.

· Turns on the OSD menu when the monitor enters standby mode or displays the “NO SIGNAL” message.

Shortcut 2 button:

· Default: GameVisual.

· To change the shortcut function, go to the MyFavorite > Shortcut > Shortcut 2 menu.

1-2

Chapter 1: Product introduction

· Turns on the OSD menu when the monitor enters standby mode or displays the “NO SIGNAL” message.

Power button/power indicator

· Turns the monitor on/off.

· The color definition of the power indicator is as the below table.

1.3.2

Status White Amber OFF
Back view

Description ON Standby mode/No signal OFF

1. DC-IN port. This port connects the power cord. 2. HDMI port. This port is for connection with an HDMI 2.0 compatible
device. 3. DisplayPort. This port is for connection with a DisplayPort compatible
device. 4. USB 3.2 Gen1 Type-C (supports DP Alt mode). This port is for connection
with a DisplayPort/USB Type-C compatible device. This port is also for connection with a USB upstream cable, which supports USB power and data delivery (depending on the signal source).
This monitor is Super-Speed USB 3.2 Gen1 compatible(5Gbps). The port offer 15W power delivery with output voltage of 5V/3A.
5. USB 3.2 Gen1 upstream port. This port is for connection with a USB upstream cable. The connection enables the USB ports on the monitor.
6. USB 3.2 Gen1 downstream ports. These ports are for connection with USB devices, such as USB keyboard/mouse, USB flash drive, etc.
7. Earphone jack. This port is only available when an HDMI/DisplayPort cable is connected.

ROG Strix XG259CM Series Gaming LCD Monitor

1-3

8. Kensington lock slot. 9. Control buttons.

1.3.3 GamePlus Function
The GamePlus function provides a toolkit and creates a better gaming environment for users when playing different types of games. The crosshair overlay with 6 different crosshair options lets you choose the one that best suits the game you’re playing. There are also on screen timer and stopwatch you can position on the left of the display so you can keep track of the gaming time; while the FPS (frames per second) counter lets you know how smooth the game is running. Display Alignment displays alignment lines on 4 sides of the screen, serving as an easy and handy tool for you to line up multiple monitors perfectly.
To activate GamePlus:

1. Press the GamePlus shortcut button.

2. Move the ( ) button up/down to select among different functions.

3. Press the ( ) button or move the ( ) button right to confirm the function you choose, and move the ( ) button up/down to navigate through the settings. Move the ( ) button left to go back, off, and exit.

4. Highlight the desired setting and press the Press the button to inactivate it.

( ) button to activate it.

GamePlus Main Menu
GamePlus
Crosshair (Practice Mode)
Timer

GamePlus — Crosshair
GamePlus

GamePlus — Timer
GamePlus

GamePlus — FPS counter
GamePlus
FPS

Stopwatch
FPS FPS Counter

Display Alignment

1-4

Chapter 1: Product introduction

1.3.4 GameVisual Function
The GameVisual function helps you select among different picture modes in a convenient way.
To activate GameVisual:
1. Press the GameVisual shortcut button
2. Move the ( ) button up/down to highlight a desired setting.
3. Press the ( ) button or move the button right to activate it.
4. To exit the menu, move the ( ) button left . · Scenery Mode: This is the best choice for scenery photo displaying with GameVisualTM Video intelligence Technology. · Racing Mode: This is the best choice for racing game playing with GameVisualTM Video intelligence Technology. · Cinema Mode: This is the best choice for movie watching with GameVisualTM Video intelligence Technology. · RTS/RPG Mode: This is the best choice for Real-Time Strategy (RTS)/ Role-Playing Game (RPG) playing with GameVisualTM Video intelligence Technology. · FPS Mode: This is the best choice for First Person Shooter game playing with GameVisualTM Video intelligence Technology. · sRGB Mode: This is the best choice for viewing photos and graphics from PCs. · MOBA Mode: This is the best choice for multiplayer online battle arena game playing with GameVisualTM Video intelligence Technology. · User Mode: More items are adjustable in the Color menu.
· In the Racing/MOBA mode, the following function(s) are not userconfigurable: ASCR, Saturation.
· In the sRGB mode, the following function(s) are not user-configurable: Color Temp., Brightness, Contrast, ASCR, Saturation, Gamma.
· In the Scenery/Cinema mode, the following function(s) are not userconfigurable: Gamma.

ROG Strix XG259CM Series Gaming LCD Monitor

1-5

1.3.5 Other Function(s)
· HDR The monitor supports HDR format. When detecting HDR content, an “HDR ON” message will pop up.
When displaying HDR content, the following function(s) are not available: ELMB Sync, GameVisual, Shadow Boost, Brightness, Contrast, ASCR, Aspect Control, Blue Light Filter, Color Temp., Gamma, Saturation.

1-6

Chapter 1: Product introduction

2.1 Assembling the monitor arm/base
1. Insert the base into the arm. 2. Fix the base to the arm by fastening the bundled screw.
We recommend that you cover the table surface with soft cloth to prevent damage to the monitor. Base screw size: M6 x 15 mm.
2.2 Cable management
You can organize the cables with the help of the cable management hole. · Arranging the cables

ROG Strix XG259CM Series Gaming LCD Monitor

2-1

2.3 Adjusting the monitor
· For optimal viewing, we recommend that you look at the full face of the monitor, then adjust the monitor to the angle that is most comfortable for you.
· Hold the stand to prevent the monitor from falling when you change its angle. · The recommended adjusting angle is +20° to -5° (for tilt)/+25° to -25° (for
swiveling/+110 mm (for height adjustment)/90° (for portrait view).
-5° ~ +20°

(Tilt)

25°

0°

(Swivel)

110mm
(Height adjustment)

Pivoting the monitor

1. Lift the monitor to the highest position.

2 Tilt the monitor to its maximum angle.

3. Pivot the monitor clockwise to the angle you need.

-5° ~ +20°

0° 90°

0° 90°
It is normal that the monitor slightly shakes while you adjust the viewing angle.

2-2

Chapter 2: Setup

2.4 Detaching the arm (for VESA wall mount)
The detachable arm of this monitor is specially designed for VESA wall mount. To detach the arm: 1. Have the front of the monitor face down on a table. 2. Press the release button to detach the stand (arm and base) from the
monitor.
2
1
We recommend that you cover the table surface with soft cloth to prevent damage to the monitor.
· The VESA wall mount kit (100 x 100 mm) is purchased separately. · Use only the UL Listed Wall Mount Bracket with minimum weight/load
22.7kg (Screw size: M4 x 10 mm)

ROG Strix XG259CM Series Gaming LCD Monitor

2-3

2.5 Connecting the cables
Connect the cables as the following instructions:

· To connect the power cord: a. Connect the power adapter securely to the monitor’s DC input. b. Connect one end of the power cord to the power adapter and the other end to a power outlet.
· To connect the HDMI/DisplayPort/USB Type-C cable: a. Plug one end of the HDMI/DisplayPort/USB Type-C cable to the monitor’s HDMI/DisplayPort/USB Type-C jack. b. Connect the other end of the HDMI/DisplayPort/USB Type-C cable to your device’s HDMI/DisplayPort/USB Type-C jack.
When these cables are connected, you can choose the desired signal from the Input Select item in the OSD menu.
· To use the earphone: connect the end with plug type to the monitor’s earphone jack when an HDMI or DisplayPort signal is fed.
· To use the USB 3.2 Gen 1 ports: » Upstream: Take the USB 3.2 Gen1 Type-C cable, and plug one end to the monitor’s USB upstream port, and the other end to your computer’s USB port. Or you can take the supplied USB 3.2 Gen1 cable, and plug the smaller end (type B) of the USB upstream cable to the monitor’s USB upstream port, and the larger end (type A) to your computer’s USB port. Make sure your computer is installed with the latest Windows 10/ Windows 11 operating system. That will enable the USB ports on the monitor to work.

2-4

Chapter 2: Setup

» Downstream: Plug the USB Type A/Type-C cable of your device to the monitor’s USB Type A/Type-C jack.
2.6 Turning on the monitor
Press the power button . See page 1-3 for the location of the power button. The power indicator lights up in white to show that the monitor is ON.

ROG Strix XG259CM Series Gaming LCD Monitor

2-5

2-6

Chapter 2: Setup

3.1
3.1.1

OSD (On-Screen Display) menu

How to reconfigure

Gaming Image Color Input Select MyFavorite System Setup

Variable OD AMD FreeSync Premium ELMB/ELMB SYNC GamePlus GameVisual Shadow Boost

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

MOVE/ENTER

BACK

EXIT

1. Press the ( ) button to activate the OSD menu.

2. Move the ( ) button up/down to navigate through the functions.

Highlight the desired function and press the ( ) button to activate it. If

the function selected has a sub-menu, move the ( ) button up/down again to navigate through the sub-menu functions. Highlight the desired sub-

menu function and press the right to activate it.

( ) button or move the

( ) button

3. Move the function.

( ) button up/down to change the settings of the selected

4. To exit and save the OSD menu, press the button or move the ( ) left repeatedly until the OSD menu disappears. To adjust other functions, repeat steps 1-3.
3.1.2 OSD function introduction

1. Gaming

Gaming Image Color Input Select MyFavorite System Setup

Variable OD AMD FreeSync Premium ELMB/ELMB SYNC GamePlus GameVisual Shadow Boost

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

MOVE/ENTER

BACK

EXIT

· Variable OD: Improves the gray level response time of the LCD panel.

This function is not available when ELMB SYNC is enabled.

ROG Strix XG259CM Series Gaming LCD Monitor

3-1

· AMD FreeSync Premium: Allows an AMD FreeSync Premium supported graphics source to dynamically adjust display refresh rate based on typical content frame rates for power efficient, virtually stutter free and low-latency display update.
· AMD FreeSync Premium can only be activated within 48Hz~240Hz for HDMI/DisplayPort/Type-C.
· This function is only available when DisplayPort Stream is DisplayPort 1.2+HDR.
· *For supported GPUs, minimum PC system and driver requirements, please contact the GPU manufactures.
· ELMB/ELMB SYNC: ELMB can only be activated when AMD FreeSync Premium is Off and the refresh rate is 100Hz, 120Hz, 144Hz or 240Hz. ELMB SYNC allows you to turn on the function when AMD FreeSync Premium is On. This function eliminates screen tearing, reduces ghosting and motion blur when playing games.
· GamePlus: See 1.3.3 GamePlus Function for details. · GameVisual: See 1.3.4 GameVisual Function for details. · Shadow Boost: Dark color enhancement adjusts monitor gamma curve to enrich
the dark tones in an image, making dark scenes and objects much easier to be seen.

This function is only available in Racing mode, RTS/RPG mode, FPS mode, sRGB mode,or User mode.

2. Image
Gaming Image Color Input Select MyFavorite System Setup

Brightness Contrast HDR VividPixel ASCR Aspect Control Blue Light Filter

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF
50
80

MOVE/ENTER

BACK

EXIT

· Brightness: The adjusting range is from 0 to 100. · Contrast: The adjusting range is from 0 to 100. · HDR: Contains ASUS Gaming HDR, ASUS Cinema HDR, and Console Mode. · VividPixel: This function enhances the outline of the displayed picture and
generates high-quality images on screen. · ASCR: Turns on/off the ASCR (ASUS Smart Contrast Ratio) function. · Aspect Control: Adjusts the aspect ratio to Full or 4:3. · Blue Light Filter:
· Level 0: No change.

3-2

Chapter 3: General Instructions

· Level 1~4: The higher the level, the less blue light is scattered. When Blue Light Filter is activated, the default settings of Racing Mode will be automatically imported. Between Level 1 to Level 3, the Brightness function is user-configurable. Level 4 is an optimized setting. It is in compliance with TUV Low Blue Light Certification. The Brightness function is not userconfigurable.
· Please refer to the following to alleviate eye strains:
· Users should take some time away from the display if working for long hours. It is advised to take short breaks (at least 5 mins) after around 1 hour of continuous working at the computer. Taking short and frequent breaks is more effective than a single longer break.
· To minimize eye strain and dryness in your eyes, you should rest the eye periodically by focusing on objects that are far away.
· Eye exercises can help to reduces eye strain. Repeat these exercises often. If eye strain continues please consult a physician. Eye exercises: (1) Repeating look up and down (2) Slowly roll your eyes (3) Move your eyes diagonal.
· High energy blue light may lead to eye strain and AMD (Age-Related Macular Degeneration). Blue light Filter reduces 70% (max.) harmful blue light to avoid CVS (Computer Vision Syndrome).

3. Color
Gaming Image Color Input Select MyFavorite System Setup

Color Temp. Gamma Saturation

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

MOVE/ENTER

BACK

EXIT

· Color Temp.: Contains 4 modes including Cool, Normal, Warm, and User Mode.

· Gamma: Allows you to set the color mode to 2.5, 2.2, or 1.8.

· Saturation: The adjusting range is from 0 to 100.

ROG Strix XG259CM Series Gaming LCD Monitor

3-3

4. Input Select

In this function, you can select your desired input source.

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

Gaming Image Color Input Select MyFavorite System Setup

Input Source Auto Input Detection

MOVE/ENTER

BACK

EXIT

· Input Source: Manually selects the input source. · Auto Input Detection: When enabled, the system will automatically select the
latest inserted I/O port.

5. MyFavorite
Gaming Image Color Input Select MyFavorite System Setup

Shortcut Customized Setting

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

MOVE/ENTER

BACK

EXIT

· Shortcut: · Shortcut 1/Shortcut 2: Sets the shortcut functions for shortcut buttons.

When a certain function is selected or activated, your shortcut button may not support. Available function choices: GamePlus, GameVisual, Brightness, Contrast, Input Select, HDR, Blue Light Filter, Color Temp., Volume, KVM, MyFavortie-1 (Load), MyFavorite-2 (Load).

· Customized Setting: Loads/Saves all settings on the monitor. 6. System Setup

Gaming Image Color Input Select MyFavorite System Setup

Language Sound USB Setup Power Setting Power Indicator Power Key Lock Key Lock OSD Setup

DisplayPort 1920×1080@ 240Hz Racing Mode
ROG Strix XG259CM HDR OFF

MOVE/ENTER

BACK

EXIT

3-4

Chapter 3: General Instructions

· Language: There are 22 languages for your selection, including English, French, German, Italian, Spanish, Dutch, Portuguese, Russian, Czech, Croatian, Polish, Romanian, Hungarian, Turkish, Simplified Chinese, Traditional Chinese, Japanese, Korean, Thai, Indonesian, Persian, Ukrainian.

· Sound: Sets the sound related settings from this menu.

· Volume: The adjusting range is from 0 to 100.

· Mute: Toggles the monitor sound between on and off.

· USB Setup:

· KVM: Switches USB downstream port to USB Type-C or USB Type-B upstream port.

Computer 1

Computer 2

Step 1

Step 2

Computer 1 Step 1

Step 3 Or

Computer 2

Step 2

Step 3
· Type-C Bandwidth: Selects USB Type-C with USB 2.0 or USB 3.2. USB 3.2 is up to 1920×1080-240Hz.
· USB Hub: Sets the USB Hub operation to On During Standby (USB Type A ports on the LCD monitor can be used for charging a USB device during standby) or Off During Standby (USB Type A ports cannot be used for charging a USB device during standby).
When using the USB Type-B to Type-A USB cable, it can be connected between upstream- and downstream-facing ports for USB devices such as keyboard, mouse, or flash drive.

ROG Strix XG259CM Series Gaming LCD Monitor

3-5

· Power Setting: · Standard Mode: Standard mode setting may result in higher power consumption. · Power Saving Mode: Power saving mode may cause limited luminance performance.
· Power Indicator: Turns the power LED indicator on/off. · Power Key Lock: Enables or disables the power key. · Key Lock: To disable all function keys. Press over 5 seconds to cancel the key
lock function. · OSD Setup:
· Adjusts the OSD timeout from 10 to 120 seconds. · Enables or disables the DDC/CI function. · Adjusts the OSD background from opaque to transparent. · DisplayPort Stream: Compatibility with graphic card. Select DisplayPort 1.1, DisplayPort 1.2+HDR by graphic card DP version.
DisplayPort 1.1 is only available when AMD FreeSync Premium is off.
· Information: Shows the monitor information. · All Reset: Selecting “Yes” allows you to restore the default settings.

3-6

Chapter 3: General Instructions

3.2 Specifications summary

Panel type Panel size Max. resolution Pixel pitch Brightness (Typ.) Contrast ratio (Typ.) Viewing angle(H/V) CR>10 Display colors Response time Color temperature selection Analog input Digital input Earphone jack Audio input Speaker (Built-in) USB 3.2 Gen1 port
Colors Power LED Tilt Pivot Swivel Height adjustment VESA wall mount Kensington lock Voltage rating
Power consumption
Temperature (Operating) Temperature (Non-operating) Dimensions (W x H x D)
Weight (Esti.)

TFT LCD 24.5″W (62.2cm) wide screen 1920 x 1080
0.2832 mm x 0.2832 mm 400 cd/m2
1000:1 178°/178° 16.7 M 1 ms (Gray to Gray) 4 color temperatures No DisplayPort v1.2 x 1, HDMI v2.0 x 1, USB Type-C Yes No No Upstream x 2 (USB Type-B, USB Type-C), Downstream x 2 Black White (On)/Amber (Standby) +20°~ -5° 90° (clockwise) +25°~ -25° 110 mm 100 x 100 mm Yes AC: 100~240V DC: 19.0 V, 4.74 A (AC adapter) Power On: < 18.7 W**, Standby: < 0.5 W, Power Off: < 0.3 W 0°C~40°C -20°C~+60°C
557.69 x 332.38 x 59 mm (without stand) 557.69 x 380.7 x 234.23 mm (with stand, lowest) 557.69 x 490.7 x 234.23 mm (with stand, highest) 660 x 210 x 472 mm (package) 3.6 kg (without stand); 6.1 kg (Net); 8.5 kg (Gross)

ROG Strix XG259CM Series Gaming LCD Monitor

3-7

Multi-languages Accessories Compliance and standards

22 languages (English, French, German, Italian, Spanish, Dutch, Portuguese, Russian, Czech, Croatian, Polish, Romanian, Hungarian, Turkish, Simplified Chinese, Traditional Chinese, Japanese, Korean, Thai, Indonesian, Persian, Ukrainian)
Quick start guide, warranty card, power adapter, power cord, DP cable (optional), HDMI cable (optional), USB Type-A to Type-B cable (optional), USB Type-C cable (optional), color clibration testing report, ROG sticker
CB, CE, CU, CCC, cTUVus, MEPS, FCC, RCM, BSMI, VCCI, RoHS, WEEE, J-MOSS, ErP, PSE, CEL, Windows 10/11 WHQL, KCC, E-Standby, TUV-Flicker Free, TUV-Low Blue Light, UkrSEPRO, ICES-3, CEC, PC Recycle, PSB

*Specifications are subject to change without notice.
**Measuring a screen brightness of 200 nits without audio/USB/Card reader connection.

3-8

Chapter 3: General Instructions

3.3 Outline dimensions
234.23

471.37 557.69

158.08 59

48.3 380.7

158.3

490.7

401.91

557.69

Model: XG259CM units: mm scale: 1:1

332.38

52.55

ROG Strix XG259CM Series Gaming LCD Monitor

3-9

3.4 Troubleshooting (FAQ)

Problem

Possible Solution

Power LED is not ON

· Press the button to check if the monitor is in the ON mode.
· Check if the power cord is properly connected to the monitor and the power outlet.

The power LED lights white and there is no · Check if the monitor and the computer are

screen image

in the ON mode.

· Make sure the signal cable is properly

connected the monitor and the computer.

· Inspect the signal cable and make sure

none of the pins are bent.

· Connect the computer with another

available monitor to check if the computer

is properly working.

Screen image is too light or dark

· Adjust the Contrast and Brightness settings via OSD.

Screen image bounces or a wave pattern is · Make sure the signal cable is properly

present in the image

connected to the monitor and the

computer.

· Move electrical devices that may cause

electrical interference.

Screen image has color defects (white does · Inspect the signal cable and make sure

not look white)

that none of the pins are bent.

· Perform All Reset via OSD.

· Adjust the R/G/B color settings or select

the Color Temperature via OSD.

Brightness decreases after displaying HDR · Turn off the monitor by pressing the power

content for a period of time

button and then turn on the monitor.

· Turn off the monitor by disconnecting the

power cord and then turn on the monitor.

· Reactivate the HDR function on your

device.

3-10

Chapter 3: General Instructions

3.5 Supported operating mode

Resolution frequency 640×350 640×350 640×480 640×480 640×480 640×480 720×400 720×400 800×600 800×600 800×600 800×600 800×600 832×624 848×480 1024×768 1024×768 1024×768 1024×768 1152×864 1280×720 1280×720 1280×720 1280×768 1280×800 1280×800 1280×800 1280×960
1280×1024 1280×1024 1366×768 1440×900 1440×900

Refresh rate 70Hz 85Hz 60Hz 67Hz 75Hz 85Hz 70Hz 85Hz 56Hz 60Hz 72Hz 75Hz 85Hz 75Hz 60Hz 60Hz 70Hz 75Hz 85Hz 75Hz 60Hz 60Hz 75Hz 60Hz 60Hz 60Hz 75Hz 60Hz 60Hz 75Hz 60Hz 60Hz 60Hz

Horizontal frequency 31.469KHz 37.861KHz 31.469KHz 35KHz 37.5KHz 43.269KHz 31.469KHz 37.927KHz 35.156KHz 37.88KHz 48.077KHz 46.875KHz 53.674KHz 49.71KHz 31.02KHz 48.363KHz 56.476KHz 60.023KHz 68.677KHz 67.5KHz 45KHz 44.772KHz 56.456KHz 47.396KHz 49.306KHz 49.702KHz 62.795KHz 60KHz 63.981KHz 79.976KHz 47.712KHz 55.469KHz 55.935KHz

ROG Strix XG259CM Series Gaming LCD Monitor

3-11

Resolution frequency 1440×900 1680×1050 1680×1050 1920×1080 1920×1080 1920×1080 1920×1080 1920×1080 1920×1080 1920×1080

Refresh rate 75Hz 60Hz 60Hz 60Hz 60Hz 100Hz 120Hz 144Hz 144Hz 240Hz

Horizontal frequency 70.635KHz 64.674KHz 65.29KHz 66.587KHz 67.5KHz 113.3KHz 137.2KHz 158.11KHz 158.11KHz 291.309KHz

Video Timing Resolution frequency 640x480P 720x480P 720x576P 1280x720P 1280x720P 1440x480P 1440x576P 1920x1080P 1920x1080P 3840x2160p 3840x2160p 1920x1080p 1920x1080p

Horizontal frequency 59.94/60Hz 59.94/60Hz 50Hz 50Hz 59.94/60Hz 59.94/60Hz 50Hz 50Hz 59.94/60Hz 60Hz 50Hz 120Hz 100Hz

3-12

Chapter 3: General Instructions

ROG Strix XG259CM Series Gaming LCD Monitor

3-13