Cooler Master GM2711S User manual

GM2711S
Cooler Master 27" Gaming Monitor
User Manual

Table of Contents
Requirements and Safety Notice .........................................................................1
Important Safety Instructions ..............................................................................3
Cleaning your Monitor...........................................................................................3
Correct Posture to Use the Product......................................................................4
Low Blue Light Mode ............................................................................................5
Configuring the Low Blue Light Mode...................................................................5
Flicker Free...........................................................................................................5
Package Contents .................................................................................................6
Installing the Monitor Arm/Base ..........................................................................7
Adjusting the Monitor ...........................................................................................9
Wall Mount Installation Instructions....................................................................10
External Control Buttons......................................................................................11
Main Menu..............................................................................................................12
[Picture].................................................................................................................12
[Color] ...................................................................................................................13
[Audio]...................................................................................................................15
[Gaming] ...............................................................................................................16
[OSD]....................................................................................................................17
[System]................................................................................................................18
[Information]..........................................................................................................20
Specifications........................................................................................................21
Supported Timing..................................................................................................22
[PC Timing] ...........................................................................................................22
[Video Timing].......................................................................................................23
Product Outline Dimensions................................................................................24

1
Requirements and Safety Notice
FCC Safety Notice
This product has been tested and determined to be meeting the limits for a Class B digital device and in compliance
with Part 15 of the FCC Regulations. These requirements are set to reasonably protect the home installation
environment from hazardous interference. This product will generate, use and emit radio frequency energy. Failure
to install and use it as instructed may cause hazardous interference to radio communication. However, we cannot
guarantee zero interference for certain installation methods. If this product has caused hazardous interference to
radio or TV reception (turn on or turn off this product to for confirmation), the user may try to make adjustment with
the following methods:
• Re-adjust the angle and position of the reception antenna.
• Increase the distance between the device and receiver.
• Do not use the power sockets of the device and receiver together.
• If assistance is needed, contact the distributor or a professional radio/TV technician.
CE Compliance Statement
Cooler Master Technology Inc. hereby declares that the monitor conforms to the following key standards and other
related provisions:
EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, RoHS Directive 2011/65/EU and Directive
2009/125/EC establishing a framework for the setting of eco-design requirements for energy-related products.
Note:
To prevent damage of the monitor, do not lift the monitor from the support base.
Note: Shielded cable
To comply with the EMC requirements, a shielded cable must be used for connection between this product and any
other computer device.
Note:
The monitor is exclusively used in the video and image display of information acquired from electronic devices.
Note: Peripherals
Only a peripheral device (I/O device, terminal, printer, etc.) that has been certified and met the Class B limits can be
sold together with this product. If this product is used together with any other uncertified peripheral device, it may
cause interference to radio and TV reception.
Warning
Any change or modification not approved by the original manufacturer may lead to the user losing the right to
operate this product. Such authorization is given by the Federal Communications Commission.
Requirements for Use
This product meets the limits under Part 15 of the FCC Regulations. When operating this product, please meet the
following two requirements: (1) This product may not generate hazardous interference; and (2) This product must
accept any interference signal received, including interference that is likely to lead to unexpected operation.
The following local Manufacturer/Importer is responsible for this declaration.
Product Name: LCD Monitor
Model No: GM2711S
Company Name: North America - CMI USA, Inc.
Address: 1 N Indian Hill Blvd Suite 200, Claremont, CA 91711, USA
Contact Person: Cooler Master Representative
Phone No: [phone]
Note: Canadian users
This Class B digital device complies with Canadian ICES-003 specifications.
Remarque à I’intention des utilisateurs canadiens
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada
Disposal of Waste Equipment by Home Users in EU
If this symbol appears on a product and its package, it indicates that the product cannot be disposed of together
with other household waste. You have to deliver the waste equipment to a designated recycling center for recycling
of waste electrical and electronic equipment. Proper sorting and recycling of resources during the disposal of waste
equipment is helpful for protecting natural resources and ensuring that resource recycling can protect human health
and environment. For detailed information about recycling centers where waste equipment is disposed of, contact the
local municipal office, cleaning service or the store where the purchased product is found.

2
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限用物質含有情況標示聲明書

3
Important Safety Instructions
Please read the following instructions carefully.
1. Do not place the LCD monitor near a window. Exposing the monitor to
rain, moisture or sunlight can severely damage it.
2. Do not apply pressure to the LCD screen. Excessive pressure may
cause permanent damage to the display.
3. Do not remove the cover or attempt to service this unit yourself.
An authorized technician should perform servicing of any nature
4. Store the LCD monitor in a room with a temperature of -20° to 60°C
(-4° to 140°F). Storing the LCD monitor outside this range may result in
permanent damage.
5. Immediately unplug your monitor and call an authorized technician if
any of the following circumstances occur:
• Monitor to PC signal cable is frayed or damaged.
• Liquid spills onto the LCD monitor or the monitor is exposed to rain.
• The LCD monitor or case is damaged.
Cleaning your Monitor
Please carefully follow these guidelines when cleaning the monitor:
• Always unplug the monitor before cleaning.
• Use a soft cloth to wipe the cabinet front and sides.
• Do not spray water or a cleaning agent that contains alcohol or solvent
on the screen. If you spill liquid on the screen, gently wipe the screen
with a soft, dry microfiber cloth and then clean the screen with a lint
roller.
• Cleaning the screen with a microfiber cloth and lint roller is
recommended.
• Do not adhere anything onto the screen as this may damage the
screen and/or affect its functioning.
NOTE: When using a lint roller:
1. Peel off the protective film from the surface of the roller.
2. Roll the roller over the dirty areas in one direction until the dirt is
removed.
*Once the sheet is dirty or no longer sticky, peel it off and use a new one.
3. When finished, place the roller back into the original packaging to
ensure it does not get dust on it.

4
NOTE: When using a microfiber cloth:
1. Make sure the microfiber cloth is clean.
2. Wipe the dirty areas in one direction until the dirt is removed.
*If there is still residual dirt, use other clean section of the microfiber cloth
to wipe the dirt.
3. When finished, rinse the microfiber cloth with detergent and dry the
microfiber cloth completely.
4. Place the microfiber cloth back into the original packaging to ensure it
does not get dust on it.
Correct Posture to Use the Product
Use the product in the correct posture as follows:
• Straighten your back.
• Allow a distance of 45 to 50 cm between your eyes and the screen,
and look slightly downward at the screen.
• Keep your eyes directly in front of the screen.
• Adjust the angle so light does not reflect on the screen.
• Keep your forearms perpendicular to your upper arms and level with
the back of your hands.
• Keep your elbows at about a right angle.
• Adjust the height of the product so you can keep your knees bent at
90 degrees or more, your heels attached to the floor, and your arms
lower than your heart.
• Do eye exercises or blink frequently to relieve eye fatigue.
• Use the product at the recommended resolution and frequency. ‒‒
Failure to do so may cause your eyesight to deteriorate.
• Looking at the screen too close for an extended period of time can
deteriorate your eyesight.
• Rest your eyes for more than 5 minutes or look at distant objects for
every 1 hour of product use.

5
Low Blue Light Mode
This display features Low Blue Light capabilities which help reduces the
blue light emissions. When the Blue Light Reduction is set at level 5,
it will also be compliant with TÜV Rheinland’s low blue light certification
requirements.
When Blue Light Reduction is set to level 1 / 2 / 3 / 4 / 5, the wavelength
of the blue light that is between 400 nm and 500 nm will be reduced,
which can provide optimal image quality while helping relax eye strain.
You can adjust the low blue light settings in the Picture sub-menu of the
OSD menu.
Conguring the Low Blue Light Mode
1. Press the joystick to open the OSD menu.
2. Toggle the joystick to navigate the OSD menu.
3. Select the Picture sub-menu.
4. Select Blue Light Reduction in the Picture sub-menu.
5. Toggle the joystick left / up / down to configure the display’s low blue
light settings.
Flicker Free
Flicker Free technology reduces screen flickering for a more comfortable
viewing experience.

6
Package Contents
ABC
Monitor Support stand Support base
D E F
Cable hook VESA screws HDMI cable
G H I
DP cable USB-A to USB-B cable Power cord
J
GM2711S
Cooler Master 27" Gaming Monitor
Quick Start Guide User Manual
Quick start guide

7
Installing the Monitor Arm/Base
1 2
3 4
5
1
2
3
6
7 8

8
9
USB
SERVICE
AC
POWER IN DP HDMI 1HDMI 2 LINE
OUT USB-B
10

9
Adjusting the Monitor
zFor the best results, it is recommended to look directly at the front of the monitor and
make any adjustments as necessary.
zEnsure that the monitor is mounted upright on the stand base.
zWhen adjusting the monitor viewing angles, avoid touching the screen and hold the stand
in order to prevent it from falling over.
-5° 25°
45°
-45°
130mm
90°
-90°
Screen Tilt -5° – 25°
Screen Swivel -45° – 45°
Height Adjustable 0 – 130 mm
Pivot -90° – 90°

10
Wall Mount Installation Instructions
1 2
3
100mm
100mm
VESA: 100 x 100 mm
Screws: M4 x 10 mm
4

11
External Control Buttons
1
2
ʒ
Joystick/Power button
Short press the joystick to turn the monitor on.
Long press the joystick for three seconds to turn the monitor off.
Short press joystick or push it right to activate the OSD menu.
When the OSD menu is activated:
Push the joystick up/down/left/right to navigate and adjust settings.
Short press the joystick or push it right to enter a sub-menu.
Push the joystick left to go back to the previous menu level.
Push the joystick left to exit the OSD menu.

Power LED
Blue: On
Orange: Power Saving

12
Main Menu
[Picture]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Aspect Ratio
Blue Light Reduction
Black Level
Sharpness
Contrast
5
2
50
80Brightness
Off
Full
GamePicture Mode
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
AutoHDMI Range

13
zEnter the Picture menu to configure image settings.
Picture Mode: Enter the Picture Mode menu to adjust different picture modes.
a. Game: Enables the game screen mode.
b. FPS: Provides the optimal setting for FPS (First Person Shooter) games to
increase the visibility in dark scenes.
c. RPG: Provides the optimal setting for RPG (Role-Playing Games).
d. Web: Provides the optimal setting for web browsing.
e. Custom: Provides customized options for user experience.
f. Standard: Enables the standard screen mode.
Brightness: Adjusts the backlight brightness level of the monitor (0 to 100).
Contrast: Adjusts the contrast level of the monitor (0 to 100).
Sharpness: Adjusts the sharpness of the monitor display (Off / 1 to 10).
Black Level: Adjusts the backlight brightness level to illuminate dark areas without
overexposing brighter areas (0 to 10).
Blue Light Reduction: Reduces the amount of blue light emitted by the monitor (Off
/ 1 to 5).
Aspect Ratio: Adjusts the aspect ratio of the monitor (Full / Aspect).
NOTE: When the input source is interlaced, the aspect ratio setting is disabled.
NOTE: If the aspect ratio setting is disabled, its default is set to Full.
HDMI Range: Adjusts the quantization range of the monitor (Auto / Full / Limited).
[Color]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Saturation
Enhanced Contrast
Enhanced Color
Blue
Green
100
100
100Red
Level 1
Custom
Off
6500KColorTemp.

14
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
HDR Auto
2.2Gamma
zEnter the Color menu to adjust color settings.
ColorTemp.: Adjusts the color temperature of the monitor (6500K / 7200K / 9300K /
User). User allows you to adjust the Red, Green, and Blue values individually (0 to
100).
Enhanced Color: Adjusts the tint of the image on the monitor (Off / Custom / 1 to 9).
Enhanced Contrast: Adjusts the tonal gradation of the image on the monitor, which
makes light areas become lighter and dark areas become darker (Off / Level 1 to
Level 5).
Saturation: Adjusts the color intensity of the image on the monitor (Off / 1 to 10).
Gamma: Adjusts the gamma curve of the monitor (2.0 / 2.2).
HDR: Configures the HDR function of the monitor (Off / Auto).

15
[Audio]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Mic
10
Custom button
On
Mic Mute
Volume
zEnter the Audio menu to configure the display’s audio settings.
Volume: Adjusts the volume of the monitor (0 to 30).
Custom button: Assigns a hotkey function to your headphone’s button (Mic Mute /
Mute / Custom).
Mic: Enables/Disables the microphone (On / Mute).
NOTE: To use a microphone, ensure that the monitor has been connected to the
output device via USB-B cable.

16
[Gaming]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Adaptive-Sync
MPRT
Over Drive
Dark Contrast Enhancement Off
Level 2
Off
Off
zEnter the Gaming menu to adjust gaming settings.
Dark Contrast Enhancement: Configures the dark contrast function which brightens
the dark areas of the image on the monitor (Off / Level 1 / Level 2 / Auto (Level 1) /
Auto (Level 2)).
Over Drive: Configures the over drive function which makes the display’s pixels
transition colors faster (Off / Level 1 / Level 2 / Level 3 / Burst).
MPRT: Enables/Disables the MPRT (Moving Picture Response Time) function which
reduces picture motion blur (Off / Level 1 / Level 2 / Level 3).
NOTE: The MPRT function is only available when the input source features refresh
rates of 120Hz or above.
NOTE: The MPRT and Adaptive-Sync functions are mutually exclusive.
Adaptive-Sync: Enables/Disables the adaptive sync function which synchronizes the
output frames of the GPU to the refresh rate of the monitor (On / Off).
NOTE: The Adaptive-Sync function is only available via the Display Port input.

17
[OSD]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Rotate
Language
30
English
0
Time Out
zEnter the OSD menu to configure the display’s OSD settings.
Time Out: Sets the idle time before the OSD menu closes (15 seconds / 30 seconds
/ 45 seconds / 60 seconds).
Language: Sets the language to English, Japanese, French, German, Spanish,
Italian, Finnish, Russian, Vietnamese, Korean, Traditional Chinese, or Simplified
Chinese.
Rotate: Adjusts the image rotation of the monitor (0° / 90° / 270°).

18
[System]
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
Quick Boot
Signal Input
Power Save
HDMI-CEC
DDC/CI
Reset
Off
Auto (Fast)
Off
Level 5
On
Off
Cancel
Power LED
1920 x 1080 60Hz
Information
System
OSD
Gaming
Audio
Color
Picture
Back Enter Move
CancelSystem Update