Samsung CHG90 User Manual

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When the monitor displays nothing (i.e. Power saving mode or Non-signal mode), 2 direct keys for control 
source and power could be used as below.
JOG ButtonPower saving/Non-signal mode
UPSource Change
Down
PRESS(ENTER) for 2 seconds Power Off
When the monitor displays the Main menu the JOG Button could be used as below.
JOG Button Action
UP/DOWNMove the option
LEFT Exit the Main menu.
Close Sublist without saving value.
Value decreases in the slider.
RIGHT Move to next depth.
Value increases in the slider.
PRESS(ENTER) Move to next depth.
Save the value and close Sublist.
Game Setting Key
You can quickly view the setting with a shortcut key at the bottom without using an OSD menu. You can 
directly see the settings for three different modes.
 •
Game  Setting 1  / Game Setting 2 /  Game Setting 3
Game Setting 2
Game Setting 3
Game  Setting 1
12 120HzOff
On
Black Equalizer Response Time Refresh Rate FreeSyncLow Input Lag
Picture Mode:  Custom
Game  Setting 1
 ―
The displayed image may differ depending on the model.
 ―The displayed images reflect the status of the functions as the settings in OSD of the corresponding functions 
other than the real-time values.
 ― This menu is not available when PBP is enabled.                                                
						

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Changing Brightness , Contrast and Sharpness settings
You can adjust  Brightness, Contrast o r  Sharpness by moving the JOG button up or down, if no OSD menu 
is displayed.
Brightness
Contrast Sharpness
100
 ― The displayed image may differ depending on the model.
Brightness
 ―This menu is not available when Eco Saving Plus is enabled.
 ―This menu is not available when Eye Saver Mode  is enabled.
Contrast
 ―
This menu is not available when Picture Mode  is set to Cinema mode.
Sharpness
 ―
This menu is not available when Picture Mode  is set to Cinema mode.
Changing the Volume setting
You can adjust  Volume by moving the JOG button left or right, if no OSD menu is displayed.
Volume 50
Mute
 ―
The displayed image may differ depending on the model.
 ―If the audio quality of a connected input device is poor, the Auto Mute function on the product may mute the 
sound or cause choppy audio when applying the headphones or speakers. Set the input volume for the input 
device to at least 20% and control the volume using the volume control (JOG button LEFT/RIGHT) on the 
product.
 ― What is Auto Mute?
The function mutes the audio to improve sound effect when there is sound noise or when the input signal 
is weak, usually due to a problem with the volume of an input device.
 ― To activate the  Mute function, access the  Volume control screen, then use the JOG button to move the focus 
down.
To deactivate the  Mute function, access the  Volume control screen, then increase or decrease the  Volume.              
						

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PortDescription
POWER IN
Connect the power cord for your monitor to the  POWER IN port on the 
back of the product.
 
HDMI IN 1HDMI IN 2
Connects to a source device using an HDMI cable or HDMI-DVI cable.
DP IN
Connects to a PC using a DP cable.
MINI DP IN
Connects to a PC using a MINI DP cable.
/SERVICE
Connect to an audio output device such as headphones.
Dedicated to service technicians.
MIC IN
Connect to a microphone.
MIC OUT
Connect to a PC.
Port Description
12
Connect to a USB device.
 ―
Super charging is possible using the 2 port only. This port charges 
devices faster than typical USB port. The speed depends on the connected 
devices.
(PC IN)
Connects to a PC using a USB cable. Compatible with a USB cable version 
3.0 or lower.
 ―This port can only connect to a PC.
Reverse Side
 ―The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality.
(PC IN)
HDMI IN 1 HDMI IN 2 DP INPOWER IN/SERVICEMIC IN
MIC OUT12MINI DP IN    
						

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Upgrading the Software via USB
1 Be sure to insert the USB disk into the USB 1 port. You can upgrade the software via USB only if either 
the monitor screen operates normally or the check signal is displayed on the monitor screen.
USB 1
(PC IN)
HDMI IN 1 HDMI IN 2 DP IN/SERVICEMIC IN
MIC OUT12MINI DP IN
Check Signal Cable
DisplayPort
When the screen as shown in the following figure is displayed, press and hold the Down arrow key for 
5 seconds.
Power  Off
2 When the message as shown in the following figure is displayed on the monitor, select Yes  to 
upgrade the software.
3 When the screen as shown in the following figure is displayed, select Yes .
4 The software upgrading proceeds.         
						

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Note
1 The supported USB disk formats are FAT, FAT32, and NTFS.
2 For the CHG90 model, make sure that each upgrade file is a BIN format file, follows the CHG90 model 
naming rule (m-HG949CCAA-****.*[4 digits].bin, where ****.* is a version number, and 4 digits are 
a checksum. For example, “m-HG949CCAA-1000.0[6E80].bin” complies with the naming rule for the 
CHG90 model.), and must be copied to the root directory.
3 Make sure that the USB disk only contains one upgrade file for each model, and then follow the 
instructions in this guide.
4 If you want to revert or downgrade to a lower version, change the file name as 
m-HG949CCAA-0000.0[4 digits], and then take the same steps.
5 If the No valid update files found. Please check your USB device and try again.  message is displayed, 
this is probably due to the following reasons.
 ‒ No USB disk is inserted into the USB 1 port.
 ‒The USB disk format is not supported.
 ‒The USB disk contains no valid upgrade files. (No upgrade files exist, or the file names are 
incorrect.)
6 Do not turn off the monitor. And prevent the upgrading from any interruption as far as possible. If an 
interruption happens, the monitor will return to the production version.
 ―
Note that the production version may not be the same as the version before this upgrading if some other 
upgrading has been done earlier.  
						

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Adjusting the Product Tilt and Height
 ―The color and shape of parts may differ from what is shown. Specifications are subject to change without 
notice to improve quality.
-15.0° (±2.0°) to Left ~ 15.0° (±2.0°) to Right -2.0° (±2.0°) ~ 15.0° (±2.0°)
0 ~ 120.0 mm (±5.0 mm)
 • The monitor tilt and height can be adjusted.
 •When adjusting the tilt and height, hold both sides of the product and avoid using excessive force to 
prevent damage.
 •When adjusting the stand height, you may hear a noise. This noise is generated because the ball 
inside the stand slides when the stand height is adjusted. It is a normal noise and not a product 
malfunction.
Caution
 •Grasp the left and right sides of the monitor and adjust the tilt.
After adjusting the product tilt and height, if the screen is not level, take the following actions.
+4˚
-4˚
 •
Hold the bezel at both side edges and adjust the monitor angle until the screen becomes level. (Be 
careful not to directly hold the LCD display.)
 •The monitor angle can be adjusted from -4° to +4°.     
						

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Anti-theft Lock
 ―An anti-theft lock allows you to use the product securely even in public places.
 ―The locking device shape and locking method depend on the manufacturer. Refer to the user guide provided 
with your anti-theft locking device for details.
To lock an anti-theft locking device:
1 Fix the cable of your anti-theft locking device to a heavy object such as a desk.
2 Put one end of the cable through the loop on the other end.
3 Insert the locking device into the anti-theft lock slot at the back of the product.
4 Lock the locking device.
 ‒ An anti-theft locking device can be purchased separately.
 ‒Refer to the user guide provided with your anti-theft locking device for details.
 ‒Anti-theft locking devices can be purchased at electronics retailers or online.    
						

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Installation
Attaching the Stand
 ―Before assembling the product, place the product down on a flat and stable surface so that the screen is facing downwards.
 : The product is curved. Placing pressure on the product when on a flat surface may damage the product. When the product is on the ground facing up or down, do not put pressure on it.
11121314
Caution
Hold the stand neck with both hands, 
not one hand, to prevent it from falling 
off and causing injury. Place the stand neck on the monitor as 
shown in the figure.
Fasten the screws at the top of the stand 
neck.Insert the stand base into the stand neck 
in the direction as shown in the figure.Disassemble the COVER-REAR TOP.
15161718
Assemble the COVER-REAR TOP to the 
stand neck as shown in the figure.Rotate the COVER-REAR TOP clockwise.
Stand up the monitor as shown in the 
figure.Remove the package.  
						

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Removing the Stand (For Attaching the BRACKET WALL)
 ―Before removing the stand from the monitor, place the monitor on a flat and stable surface with the screen facing down.
 : The product is curved. Placing pressure on the product when on a flat surface may damage the product. When the product is on the ground facing up or down, do not put pressure on it.
1234
Rotate the COVER-REAR TOP counterclockwise.Disassemble the COVER-REAR TOP. Remove the stand base from the stand neck.Unfasten the 4 screws at the top of the stand neck.
5
Lift and remove the stand.Caution
Do not press down on the monitor. There is a risk of 
damaging the monitor.  
						

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Attaching the BRACKET WALL
 ―Power the product off and remove the power cable from the power socket.
12
43
A Attach the BRACKET WALL here
B BRACKET WALL
Align 
B with A on the monitor, then tightly fasten with the screws removed from the stand ( P.19).
 • Notes
 ‒Using a screw longer than the standard length can damage the internal components of the 
product.
 ‒The length of screws required for a wall mount that does not comply with the VESA standards may 
vary depending on the specifications.
 ‒Do not use screws that do not comply with the VESA standards. Do not attach the wall-mount kit 
or desktop stand using excessive force. The product may get damaged or fall and cause personal 
injury. Samsung shall not be held liable for any damage or injury caused by using improper screws 
or attaching the wall-mount kit or desktop stand using excessive force.
 ‒Samsung shall not be held liable for any product damage or personal injury caused by using a wall-
mount kit other than the one specified or from an attempt to install the wall-mount kit on your 
own.
 ‒To mount the product on a wall, ensure you purchase a wall-mount kit that can be installed 10 cm 
or farther away from the wall.
 ‒Be sure to use a wall-mount kit that complies with the standards.
 ‒To install the monitor using a wall mount, disconnect the stand base from the monitor.
Unit: mm (inches)
Model nameVESA screw hole specs in 
millimeters Standard Screw
Quantity
C49HG90DM*100.0 x 100.0 (3.9 x 3.9) 4.0 mm Φ, 0.7 pitch * 10.0 mm long 4 EA
 ―
Do not attach the BRACKET WALL when the monitor is turned on. This may cause electric shock and might 
result in injury.