Table of Contents
- Notices
- Safety information
- Care & Cleaning
- 1.1 Welcome!
- 1.2 Package Contents
- 1.3 Assembling the Monitor
- 1.4 Connect Cables
- 1.5 Monitor Introduction
- 2.1 Detaching the Stand (for VESA Wall Mount)
- 2.2 Adjusting the Monitor
- 3.1 OSD (On-Screen Display) Menu
- 3.2 Specifications
- 3.3 Outline Dimensions
- 3.4 Troubleshooting (FAQ)
- 3.5 Supported Timing List
ASUS XG249CM User Manual
Displayed below is the user manual for XG249CM by ASUS which is a product in the Computer Monitors category. This manual has pages.
Related Manuals
ii
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, modied or altered, unless
such repair, modication 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 identication or explanation and to the
owners’ benet, without intent to infringe.
First Edition
April 2021
iii
Table of Contents
Notices ...............................................................iv
Safety information ............................................v
Care & Cleaning ............................................. viii
1.1 Welcome! ................................................ 1-1
1.2 Package Contents .............................. 1-1
1.3 Assembling the Monitor .................... 1-2
1.4 Connect Cables .................................... 1-5
1.4.1 Rear of the LCD Monitor ....................... 1-5
1.5 Monitor Introduction ........................... 1-6
1.5.1 Using the Control Buttons .................... 1-6
1.5.2 GamePlus Function .................................. 1-8
1.5.3 GameVisual Function ............................... 1-9
2.1 Detaching the Stand (for VESA Wall
Mount) ................................................... 2-1
2.2 Adjusting the Monitor ........................ 2-2
3.1 OSD (On-Screen Display) Menu ..... 3-1
3.1.1 How to Reconfigure ................................. 3-1
3.1.2 OSD Function Introduction .................... 3-2
3.2 Specifications ....................................3-10
3.3 Outline Dimensions ...........................3-11
3.4 Troubleshooting (FAQ) ....................3-12
3.5 Supported Timing List .....................3-14
iv
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.
• 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 to 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.
WARNING: The use of shielded cables for connection of the monitor to
the graphics card is required to assure compliance with FCC regulations.
Changes or modications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to
operate this equipment.
v
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.
Safety information
• Before setting up the monitor, carefully read all the documentation that
came with the package.
• To prevent re 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 x it by yourself. Contact a
qualied 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.
vi
• Do not overload power strips and extension cords. Overloading can
result in re 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 congured receptacles marked
between 100 ~ 240V AC.
• The socket-outlet shall be installed near the equipment and shall be
easily accessible.
• If you encounter technical problems with the monitor, contact a qualied
servicer.
• Provide an earthing connection before the mains plug is connected to
the mains. And, when disconnecting the earthing connection, be sure
to disconnect after pulling out the mains plug from the mains.
• Please use ADP 90LE B adapter.
• If provided with a 3-pin attachment plug on the power cord, plug the cord
into a grounded (earthed) 3-pin outlet. Do not disable the power cord
grounding pin, for example, by attaching a 2-pin adapter. The grounding
pin is an important safety feature.
Stability Hazard
• The product may fall, causing serious personal injury or death. To
prevent injury, this product must be securely attached to the oor/wall
in accordance with the installation instructions.
• A product may fall, causing serious personal injury or death. Many
injuries, particularly to children, can be avoided by taking simple
precautions such as:
• ALWAYS use cabinets or stands or installation methods recommended
by the manufacturer of the product set.
vii
• ALWAYS use furniture that can safely support the product.
• ALWAYS ensure the product is not overhanging the edge of the
supporting furniture.
• ALWAYS educate children about the dangers of climbing on furniture
to reach the product or its controls.
• ALWAYS route cords and cables connected to your product so they
cannot be tripped over, pulled or grabbed.
• NEVER place a product in an unstable location.
• NEVER place the product on tall furniture (for example, cupboards or
bookcases) without anchoring both the furniture and the product to a
suitable support.
• NEVER place the product on cloth or other materials that may be located
between the product and supporting furniture.
• NEVER place items that might tempt children to climb, such as toys
and remote controls, on the top of the product or furniture on which
the product is placed.
• If the existing product is going to be retained and relocated, the same
considerations as above should be applied.
WARNING: Usage of other than specied head- or earphones can
result in hearing loss due to excessive sound pressures.
Restriction on Hazardous Substances
statement (India)
This product complies with the “India E-Waste (Management) Rules, 2016”
and prohibits use of Lead, Mercury, Hexavalent Chromium, polybrominated
biphenyls(PBBs) and polybrominated diphenyl ethers(PBDEs) in concentration
exceeding 0.1% by weight in homogenous materials and 0.01% by weight in
homogenous materials for cadmium, except of exemptions listed in Schedule
2 of the Rule.
viii
Prevent Tipping
When using the display, fasten the LCD to a wall using a cord or chain that can
support the weight of the monitor in order to prevent the monitor from falling.
HDMI
Cord or chain
• Display design may differ from those illustrated.
• Installing must be done by a qualied technician , and please
contact your supplier for more information.
• For the Models with net weight >=7kg. Please select the
suitable way to Prevent Tipping.
• Please use the method discribed in the above image to tie the
cord or chain to the stand and then x it to the wall.
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 LCD. Never spray cleaner directly on the
screen, as it may drip inside the monitor and cause an electric shock.
ix
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 yönetmeliğine uygundur
The following symptoms are normal with
the monitor:
• The screen may icker during the initial use due to the nature of the
uorescent light. Turn off the Power Switch and turn it on again to make
sure that the icker disappears.
• You may nd 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 ashes, or cannot work anymore,
contact your dealer or service center to x 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.
x
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.
1-1
ROG Strix XG249CM Series Gaming Monitor
1.1 Welcome!
Thank you for purchasing the ASUS® LCD monitor!
The latest widescreen LCD monitor from ASUS provides a crisper, broader, and
brighter 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 Stand
Monitor Base
Quick Start Guide
Warranty Card
1x Power Cord
1x HDMI Cable (optional)
1x DP Cable (optional)
1x Power Adapter
1x USB 3.0 Cable (optional)
1x USB-C Cable (optional)
ROG Sticker
Color Calibration data report
•If any of the above items is damaged or missing, contact your retailer immediately.
1-2 Chapter 1: Product Introduction
1.3 Assembling the
Monitor
To assemble the monitor:
•While assembling the monitor arm/base, we recommend that you keep the
monitor inside its EPS (Expanded Polystyrene) packaging.
1. Remove the EPS packaging from the box.
1
2. Take out all accessories from the upper EPS.
2
1-3
ROG Strix XG249CM Series Gaming Monitor
3. Remove the upper EPS from the the EPS packaging.
3
4. Align and install the arm to its compartment on the rear of the monitor.
4
5. Align and install the base to the arm.
6. Fix the base to the arm by fastening the two (2) bundled screws.
6
5
1-4 Chapter 1: Product Introduction
7. Remove the monitor from the bottom EPS.
7
•Please do not hold the panel, we recommend hold the monitor stand to
pick up monitor.
Adjust the monitor to the angle that is most comfortable for you.
1-5
ROG Strix XG249CM Series Gaming Monitor
1.4 Connect Cables
1.4.1 Rear of the LCD Monitor
HDMI
1
2 3 64 5 7 8
HDMI
USB
15W
1. Kensington Lock
2. DC-IN Port
3. HDMI Port
4. DisplayPort
5. USB C/DP Port (PD 5V/3A or
12V/1.25A or 15V/1A)
6. USB3.0 Upstream Port
7. USB3.0 Downstream Ports (x2)
8. Earphone Jack
1-6 Chapter 1: Product Introduction
1.5 Monitor Introduction
1.5.1 Using the Control Buttons
Use the control buttons on the rear of the monitor to adjust the monitor
settings.
•Press the ( ) button to call out the quick OSD menu.
Menu
Close
GamePlus
GameVisual
Power
1. Power Indicator:
• The color denition of the power indicator is as the table below.
Status Description
White ON
Amber Standby mode
OFF OFF
2. Power Button:
• Press this button to turn the monitor on/off.
3. / / Menu/Navigation Button:
• Press the button to display the quick OSD menu , activate the
OSD menu, or conrm the selection.
• Move the button up/down to navigate through the settings.
• Move the button right to move to the next menu.
1-7
ROG Strix XG249CM Series Gaming Monitor
• Move the button left to exit the OSD menu or move to the
previous menu.
4. GamePlus Button:
• This is a Shortcut 1 key. The default setting is GamePlus.
- Activate Crosshair, Timer, FPS Counter, or Display Alignment
function.
- Move the button up/down to select and press the button
to conrm the function needed.
•For more information on GamePlus function, refer to page 1-8.
5. GameVisual Button:
• This is a Shortcut 2 key. The default setting is GameVisual.
- Switch from eight video preset modes (Scenery Mode, Racing
Mode, Cinema Mode, RTS/RPG Mode, FPS Mode, sRGB Mode,
MOBA Mode, and User Mode) with GameVisual ™ Video
Intelligence Technology.
•For more information on GameVisual function, refer to page 1-9.
6. Close Button:
• Exit the OSD menu.
1-8 Chapter 1: Product Introduction
1.5.2 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( ) button.
2. Move the button up/down to select among different functions.
3. Press the button or move the button right to conrm the function
you choose, and move the button up/down to navigate through the
settings. Move the button left to go back, off, or exit.
4. Highlight the desired setting and press the button to activate it.
Once the function is activated, press the button to inactivate it.
NEX
TB
ACK/EXIT
GamePlus
Crosshair
(Practice Mode)
FPS
FPS Counter
Display Alignment
Stopwatch
Timer
NEX
TB
ACK/EXIT
GamePlus
NEXT BACK/EXIT
GamePlus
GamePlus Main Menu GamePlus — Crosshair GamePlus — Timer
1-9
ROG Strix XG249CM Series Gaming Monitor
GamePlus — FPS
Counter
NEXT BACK/EXIT
GamePlus
FPS
GamePlus
1.5.3 GameVisual Function
The GameVisual function helps you select among different picture modes in a
convenient way.
To activate GameVisual:
1. Press the GameVisual ( ) button.
2. Move the button up/down to select among different modes.
• 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.
1-10 Chapter 1: Product Introduction
• MOBA Mode: This is the best choice for Multiplayer Online Battle
Arena (MOBA) games playing with GameVisualTM Video intelligence
Technology.
• User Mode: More items are adjustable in the Color menu.
•In the Racing Mode, the Saturation, Sharpness, and ASCR functions are
not user-configurable.
•In the sRGB, the Saturation, Color Temp., Sharpness, Brightness, Contrast,
and ASCR functions are not user-congurable.
•In the MOBA Mode, the Saturation and ASCR functions are not user-
congurable.
Scenery Mode
sRGB Mode
FPS Mode
RTS/RPG Mode
Cinema Mode
Racing Mode
MOBA Mode
User Mode
GameVisual
3. Press the button to conrm the selection.
GameVisual
2-1
ROG Strix XG249CM Series Gaming Monitor
2.1 Detaching the Stand
(for VESA Wall Mount)
•Avoid damaging the monitor surface. While detaching the monitor stand, always
keep the monitor inside its EPS packaging.
The detachable stand of this monitor is specially designed for VESA wall
mount.
1. Disconnect power and signal cables. Carefully put the monitor facedown
on its EPS packaging.
2. Press the release button to detach the stand (arm and base) from the
monitor.
3. Remove the stand. Then install the wall mount bracket on the rear of 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 is M4 x 10 mm).
2-2 Chapter 2: Setup
2.2 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.
• You can adjust the monitor's angle from -5° to 20° and it allows 25°
swivel adjustment from either left or right. You can also adjust the
monitor's height within ±10 cm and rotate the monitor (90˚ clockwise)
to portrait orientation.
-5 ~ 20°
10cm
25°25°
90°
•It is normal that the monitor slightly shakes while you adjust the viewing angle.
3-1
ROG Strix XG249CM Series Gaming Monitor
3.1 OSD (On-Screen
Display) Menu
3.1.1 How to Reconfigure
Gaming
System Setup
MyFavorite
Color
Input Select
Image
Overclocking
GameVisual
Shadow Boost
GamePlus
ELMB/ELMB SYNC
FreeSync Premium
Variable OD
MOVE/ENTER EXIT
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
1. Press the ( )button to display the quick OSD menu. Then press it
again activate the OSD menu.
2. Move the button up/down to navigate through the functions.
Highlight the desired function and press the button or move the
button right to enter its sub-menu. In submenu, move the button
up/down again to navigate through the sub-menu functions. Highlight
the desired sub-menu function and press the button to select an
option or move the button up/down to adjust the setting.
3. Move the button up/down to change the settings of the selected
function.
4. To exit and save the OSD menu, press the button or move the
button left repeatedly until the OSD menu disappears. To adjust other
functions, repeat steps 1 to 3.
3-2 Chapter 3: General Instruction
3.1.2 OSD Function Introduction
1. Gaming
Congure your gaming preferences.
Gaming
System Setup
MyFavorite
Color
Input Select
Image
Overclocking
GameVisual
Shadow Boost
GamePlus
ELMB/ELMB SYNC
FreeSync Premium
Variable OD
MOVE/ENTER EXIT
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
• Overclocking: Allows to adjust the refresh rate.
•Overclocking is available only if the input source is DisplayPort.
•Overclocking may cause screen ickering. To reduce such effects,
disconnect the DisplayPort cable and use the monitor OSD menu to try
again with a safer Max. Refresh rate.
• Variable OD: Speeds up the response time by Over Drive technology.
Including Level 0~Level 5.
• FreeSync Premium: Allows a FreeSync Premium supported
graphics source to dynamically adjust display refresh rate based on
typical content frame rates for power ecient, virtually stutter free
and low-latency display update.
•To activate FreeSync Premium, turn off ELMB function rst.
•FreeSync Premium can only be activated within:
- HDMI source: 48Hz ~ 240Hz
- Type C source: 48Hz ~ 240Hz
- DisplayPort source: 48Hz ~ 240Hz
- DisplayPort OverClocking source: 48Hz ~ 270Hz
- Type C OverClocking source: 48Hz ~ 270Hz
3-3
ROG Strix XG249CM Series Gaming Monitor
• ELMB/ELMB SYNC: Extreme Low Motion Blur. Decreases motion
blur and minimizes ghosting part when on-screen objects are fast
moving.
•To activate ELMB, turn off FreeSync Premium function rst.
•If ELMB is enabled, the Adaptive-Sync, PIP/PBP Mode, and ASCR
functions will be disabled.
•ELMB is disabled if input V frequency is less than 75Hz.
• GamePlus: Congures the gaming environment. For more
information, refer to pages 1-8 and 1-9.
• GameVisual: Selects the picture mode. For more information,
refer to pages 1-9 and 1-10.
• Shadow Boost: Adjusts the monitor gamma curve to enrich the
dark tones in an image making dark scenes and objects much
easier be found. Available options: OFF, Level 1~ Level 3.
2. Image
Configure the image parameters.
Brightness 75
80
Aspect Control
ASCR
VividPixel
HDR
Contrast
Blue Light Filter
MOVE/ENTER EXIT
Gaming
System Setup
MyFavorite
Color
Input Select
Image
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
• Brightness: Adjusts the brightness level. The adjusting range is
from 0 to 100.
• Contrast: Adjusts the contrast level. The adjusting range is from
0 to 100.
3-4 Chapter 3: General Instruction
• HDR: High Dynamic Range. Contains several HDR modes.
The HDR mode is selectable when input video is correct HDR
source.
•When detecting HDR content, an “HDR ON” message will pop up. When
displaying HDR content, the following function(s) are not available: ELMB Sync,
Sniper, GameVisual, Shadow Boost, Brightness, Contrast, ASCR, Aspect Control,
Blue Light Filter, Color Temp., Gamma, Saturation.
• VividPixel: ASUS Exclusive Technology that brings lifelike
visuals for crystal-clear and detail-oriented enjoyment. The
adjusting range is from 0 to 100.
• ASCR: Select ON or OFF to enable or disable dynamic contrast
ratio function.
• Aspect Control: Adjusts the aspect ratio to Full and 4:3.
•Select 4:3 to display the picture according to the original aspect ratio of the input
source.
• Blue Light Filter: Reduces the energy level of blue light emitted
from LED backlight. To turn off the Blue Light Filter, select Level 0.
•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-congurable.
•Level 4 is optimized setting. It is compliance with TUV Low Blue Light
Certication. The Brightness function is not user-congurable.
3-5
ROG Strix XG249CM Series Gaming Monitor
•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, users 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 lter to reduce 70% (max.) harmful blue
light to avoiding CVS (Computer Vision Syndrome).
3. Color
Select the image color you like from this menu.
Color Temp.
Saturation
Gamma
MOVE/ENTER EXIT
Gaming
System Setup
MyFavorite
Color
Input Select
Image
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
• Color Temp.: Selects the desired color temperature. Available
options: Cool, Normal, Warm, and User Mode.
•In the User Mode, colors of R (Red), G (Green), and B (Blue) are user-configurable;
the adjusting range is from 0 to 100.
• Gamma: Sets the color mode to 1.8, 2.2, or 2.5.
• Saturation: Adjusts the saturation level. The adjusting range is
from 0 to 100.
3-6 Chapter 3: General Instruction
4. Input Select
Select the input source.
• Input Source: Manually select the input source.
• Auto Input Detection: When enabled, the system will
automatically select the latest insert I/O port.
Input Source
Auto Input Detection
MOVE/ENTER EXIT
Gaming
System Setup
MyFavorite
Color
Input Select
Image
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
3-7
ROG Strix XG249CM Series Gaming Monitor
5. MyFavorite
You can adjust Shortcut and Customized Setting from this main
function.
Shortcut
Customized Setting
MOVE/ENTER EXIT
Gaming
System Setup
MyFavorite
Color
Input Select
Image
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
• Shortcut: User can select from GamePlus, GameVisual,
Brightness, Contrast, Input Select, HDR, Blue Light Filter, Color
Temp., Volume, KVM, MyFavorite-1 (Load), MyFavorite-2 (Load)
and set as shortcut key.
• Customized Setting: You can do your setting according to your
preference.
3-8 Chapter 3: General Instruction
6. System Setup
Adjust the system conguration.
Gaming
System Setup
MyFavorite
Color
Input Select
Image
Language
Key Lock
Power Key Lock
Power Indicator
USB Setup
Sound
OSD Setup
DisplayPort Stream
MOVE/ENTER EXIT
BACK
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
(Page 1/2)
Information Model Name
FW Version
EOTF
Range
Format
Color Depth
XG249CM
v0.01
sRGB
Limited Range
YCbCr 444
8 bpsAll Reset
MOVE/ENTER EXIT
Racing Mode
HDR OFF
DisplayPort 1920x1080@ 270Hz
ROG Strix XG249CM
Gaming
System Setup
MyFavorite
Color
Input Select
Image
BACK
(Page 2/2)
• Language: Selects an available language for the OSD menu.
The options include English, French, German, Spanish, Italian,
Dutch, Russian, Polish, Czech, Croatian, Hungarian, Romanian,
Portuguese, Turkish, SimpliedChinese, Traditional Chinese,
Japanese, Korean, Thai, and Indonesian.
• Sound:
• Volume: Adjusts the volume level from 0 to 100.
• Mute: If checked, mutes the volume.
3-9
ROG Strix XG249CM Series Gaming Monitor
• USB Setup:
• KVM: Switches USB downstream port to USB-C or USB-B
upstream port.
• Type-C Bandwidth: Select USB Type-C with USB 2.0 or USB
3.1. USB 3.1 is up to 1920x1080-144Hz.
• 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 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.
• Power Indicator: Turns the power LED indicator on/off.
• Power Key Lock: Disables or enables the power key.
• Key Lock: Pressing down the ( ) button for more than ve
seconds to activate or deactivate the key lock function.
• OSD Setup: Adjusts the OSD Timeout, DDC/CI, and
Transparency of the OSD screen.
• DisplayPort Stream: Select DisplayPort 1.1 if your graphics card
is not compatible with DisplayPort 1.2+HDR.
•DisplayPort 1.1 is only available when OverClocking and Adaptive-Sync (DP)/
FreeSync Premium are off.
• Information: Displays the monitor information.
• All Reset: Select YES to revert all settings to the factory default mode.
3-10 Chapter 3: General Instruction
3.2 Specifications
Model XG249CM
Panel Size 23.8''W (60.45cm)
Max. Resolution 1920 x 1080
Brightness (Typ.) 350 nits (typical)
Contrast Ratio (Typ.) 1000:1
Viewing Angle (CR≤10) 178°(H)/178°(V)
Display Colors 16.7M colors
Response Time 1ms (G to G)
HDMI Input Yes
DisplayPort Input Yes
USB3.0 Port Upstream x1, Downstream x2
(USB port without power charger when upstream no link)
USB-C Port Yes
Earphone Yes
Power ON consumption
<23W
(Measuring a screen brightness of 200 nits without audio/
USB/Card reader connection)
Chassis Colors Black
Power Saving Mode < 0.5W
Power Off Mode < 0.3W
Tilt -5° ~ +20°
Phys. Dimension with
Stand (WxHxD) 540 x (488~388) x 238 mm
Phys. Dimension without
Stand (WxHxD) 540 x 325 x 57 mm
Box Dimension (WxHxD) 627 x 409 x 247 mm
Net Weight (Esti.) 6.6 kg
Gross Weight (Esti.) 8.8 kg
Voltage Rating Adaptor 19vdc, 4.74A
Temperature Operating temperature: 0~40°C
Storage temperature: -30~65°C
*Specications subject to change without notice.
3-11
ROG Strix XG249CM Series Gaming Monitor
3.3 Outline Dimensions
3-12 Chapter 3: General Instruction
3.4 Troubleshooting (FAQ)
Problem Possible Solution
Power LED is not ON • Press the button to check if the monitor is turned on.
• Check if the adapter and power cord are properly
connected to the monitor and the power outlet.
• Check the Power Indicator function in the OSD menu.
Select “ON“ to turn on the power LED.
The power LED lights white and
there is no screen image
• Check if the monitor and the computer are turned on.
• Make sure the signal cable is properly connected to
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 present in the image
• Make sure the signal cable is properly connected to
the monitor and the computer.
• Move electrical devices that may cause electrical
interference.
Screen image has color defects
(white does not look white)
• Inspect the signal cable and make sure that none of
the pins are bent.
• Perform All Reset via OSD.
• Select the appropriate color temperature (Color Temp.)
via OSD.
No sound or sound is low • Adjust the volume settings of your monitor or computer.
• Make sure the computer sound card driver is properly
installed and activated.
• Check the audio source.
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ROG Strix XG249CM Series Gaming Monitor
Problem Possible Solution
The connected USB device to the
monitor is not working
• Make sure the USB cable is properly connected to the
computer and the monitor.
• Make sure the USB cable is properly connected to the
peripheral device and the monitor.
• Try using another USB port on the monitor.
• Try to use another USB port on the computer.
• Restart the computer.
• Make sure that the KVM setting in the USB setup
menu is set to the correct setting (Type-C or USB-B)
corresponding to the connected port.
• Depending on the USB host controller you are using, the
connected USB device may not be recognized correctly.
Update to the latest version of the USB driver provided
by the manufacturer, or connect the monitor to the USB
2.0 port.
• When using a Windows system, please check the
system USB configuration in the BIOS settings.
3-14 Chapter 3: General Instruction
3.5 Supported Timing List
PC Supported Primary Timing
Resolution H Freq
(KHz)
V Freq
(Hz)
DCLK
(MHz) HDMI DP/
Type-C
640x480-60Hz 31.469 59.94 25.175 V V
640x480-67Hz 35 67 30.24 V V
640x480-72Hz 37.861 72.809 31.5 V V
640x480-75Hz 37.5 75 31.5 V V
720x400-70Hz 31.469 70.165 28.35 V V
800x600-56Hz 35.156 56.25 36 V V
800x600-60Hz 37.879 60.317 40 V V
800x600-72Hz 48.077 72.188 50 V V
800x600-75Hz 46.875 75 49.5 V V
1024x768-60Hz 48.363 60.004 65 V V
1024x768-70Hz 56.476 70.069 75 V V
1024x768-75Hz 60.023 75.029 78.75 V V
1152x864-75Hz 67.5 75 108 V V
1280x720-60Hz(RB) 44.772 59.855 74.5 V V
1280x720-60Hz 45 60 74.25 V V
1280x800-60Hz 49.702 59.810 83.500 V V
1280x960-60Hz 60 60 108 V V
1280x1024-60Hz 63.981 60 108 V V
1280x1024-75Hz 79.976 75.025 135 V V
1440x900-60Hz(CVT RB) 55.469 59.901 88.75 V V
1440x900-60Hz 55.935 59.887 106.5 V V
1680x1050-60Hz(CVT RB) 64.674 59.883 119 V V
1680x1050-60Hz 65.29 59.954 146.25 V V
1920x1080-60Hz 67.5 60 148.5 V V
1920x1080p-120 Hz 135 120 297 VV
1920x1080p-100 Hz 112.5 100 297 VV
1920x1080p-50 Hz 56.25 50 148.5 V V
1920x1080p-144 Hz 158.110 144.000 325.080 V V
1920x1080p-240 Hz 291.309 239.760 571.270 V V
1920x1080p-270Hz 300.000 270.000 611.000 N/A V
3-15
ROG Strix XG249CM Series Gaming Monitor
CEA Timing
Resolution H Freq
(KHz)
V Freq
(Hz)
DCLK
(MHz) HDMI DP/
Type-C
640x480p-60 Hz@4:3 31.469 59.94 25.175 V V
720x480p-60 Hz@4:3 31.469 59.94 27 V V
720x480p-60 Hz@16:9 31.469 59.94 27 V V
1280x720p-60 Hz@16:9 45 60 74.25 V V
1920x1080i-60 Hz@16:9 33.75 60 74.25 V V
1920x1080p-60 Hz@16:9 67.5 60 148.5 V V
720x576p-50 Hz@4:3 31.25 50 27 V V
1280x720p-50 Hz@16:9 37.5 50 74.25 V V
1920x1080i-50 Hz@16:9 28.125 50 74.25 V V
1920x1080p-24 Hz@16:9 27 24 74.25 V V
1920x1080p-25 Hz@16:9 28.125 25 74.25 V V
1920x1080p-30 Hz@16:9 33.75 30 74.25 V V
1920x1080p-50 Hz@16:9 56.25 50 148.5 V V
1920x1080p-120 Hz@16:9 135 120 297 V V
1920x1080p-100 Hz@16:9 112.5 100 297 V V
1920x1080p-144 Hz@16:9 158.110 144.000 325.080 V V
1920x1080p-240 Hz@16:9 291.309 239.760 571.270 V V
1920x1080p-270Hz@16:9 300.000 270.000 611.000 N/A V
