The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality

| Parts | Description |
|---|---|
| JOG Button | Multi directional button that helps navigate. The JOG button is located at the bottom right side of the screen and has 5 directions of UP, DOWN, LEFT, RIGHT, and PRESS (ENTER). |
| Power LED | This LED is power status indicator and works as
The power Indicator operation can be swapped by changing in the menu. (System → Power LED On) Actual models because of functional variation maybe haven’t this function. |
| Function Key Guide | Press the JOG button when the screen is turned on. The Function Key Guide will appear. To access the onscreen menu when the guide is displayed, press the corresponding direction button again. Function Key Guide may vary depending on the function or product model. Please refer to the actual product. |
| Game Setting Key | Use shortcut keys to access previously saved custom game modes.
The Game Setting Keys are located at the bottom right on the front of the monitor. To edit and save a custom game mode, go to Game → Save Settings. |
To enter the main menu or to use other items, press the JOG button to display the Function Key Guide. You can exit by pressing the JOG button again.

UP/DOWN/LEFT/RIGHT: Move to the item you want. The description for each item will appear when the focus changes.
PRESS(ENTER): The selected item will be applied.
| Icons | Description |
|---|---|
Menu | Selects by moving the JOG button in the function key guide screen. The OSD (On Screen Display) of your Monitor’s feature appears |
Source | Selects to change the input signal by moving the JOG button in the Function Key Guide screen. A message will appear on the top left corner of the screen if the input signal has been changed. |
PBP | Selects Press the button when configuring settings for the PBP function is required |
Power Off | Selects to turn the Monitor off by moving the JOG button in the function key guide screen. ― Actual models because of functional variation, Function key gu |
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 button | Power saving/Non-signal mode |
| UP | Source 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/DOWN | Move 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. |
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.

You can adjust Brightness, Contrast or Sharpness by moving the JOG button up or down, if no OSD menu is displayed.

Brightness
Contrast
Shakespeare
You can adjust Volume by moving the JOG button left or right, if no OSD menu is displayed.

The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality


| Port | Description |
|---|---|
![]() | Connect the power cord for your monitor to the POWER IN port on the back of the product. |
![]() | Connects to a source device using an HDMI cable or HDMI-DVI cable. |
![]() | Connects to a PC using a DP cable. |
![]() | Connects to a PC using a MINI DP cable. |
![]() | Connect to an audio output device such as headphones. |
| Dedicated to service technicians. | |
![]() | Connect to a microphone |
![]() | Connect to a PC |
![]() | Connect to a USB device. Super charging is possible using the |
![]() | 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. |
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.

When the screen as shown in the following figure is displayed, press and hold the Down arrow key for 5 seconds.

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.

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.
As the HDR VESA certification was applied to the product, the picture quality conditions were changed. If you want the picture quality before upgrade (prior to June 2018), you can change to the Professional mode using the menu.
The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality

Caution:

After adjusting the product tilt and height, if the screen is not level, take the following actions

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:

‒ 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.
Before connecting a source device, read the user manual provided with it. The number and locations of ports on source devices may differ from device to device.
Do not connect the power cable before connecting all other cables. Ensure you connect a source device first before connecting the power cable. Connecting the power cable during connection may damage the product.
Check the types of ports at the back of the product you want to connect.
Select a connection method suitable for your PC.
Connection Using the HDMI Cable

Connection Using the DP Cable

Connection Using the MINI DP Cable

Connecting to Headphones

Use headphones when activating sound with an HDMI-HDMI, DP or MINI DP cable.
Connecting to Microphone

Connection Using the Audio Cable

Connecting a PC to the Product
The product can function as a HUB by connecting to a PC via a USB cable. You can connect a source device directly to the product and control the device from the product, without having to connect the device to the PC.
To use the product as a USB hub, connect the product to a PC using a USB cable.

Connect the USB cable to on the back of the product and USB on the PC.
A USB 2.0 cable can be used to connect the product to a PC. However, to take full advantage of the USB 3.0 function, connect a USB 3.0 cable between the PC and the product. Ensure the PC supports USB 3.0.
Utilizing the Product as a USB HUB
Using the product as a hub, connect and use various source devices with the product at the same time.
A PC cannot connect to multiple source devices at the same time as it has a limited number of input/ output ports available. The HUB feature on the product will improve your work efficiency by allowing you to connect multiple source devices to the USB ports on the product at the same time without connecting them to a PC.

2. According to the USB 3.0 battery charging specification,
2 can support a maximum current of 1.5A. The actual current value depends on the device to be charged. If the current is too high or an exception occurs, the over-current protection will be triggered. This is a normal setting of the product.
1 can support a maximum current of 1.0A, and
2 can support a maximum current of 1.5A.Connecting the Power

To use the product, connect the power cable to a power outlet and the POWER IN port on the product.
The input voltage is switched automatically
Tidying Up the Connected Cables
: Headphones hanger
: Downward
: Upward














Caution:
Open the COVER-REAR SUB in the direction as shown in the figure.


Use the product in the correct posture as follows:
You can set the optimum resolution and frequency for this product by installing the corresponding drivers.
To install the latest version of the product driver, download it from the Samsung Electronics website at http://www.samsung.com.
An information message about setting optimum resolution will appear if you power on the product for the first time after purchase.
Select a language on the product and change the resolution on your PC to the optimum setting.

Easy Setting Box enables users to use the monitor by partitioning multiple sections.
To install the latest version of Easy Setting Box, download it from the Samsung Electronics website at http://www.samsung.com.
Restrictions and Problems with the Installation
The Easy Setting Box installation may be affected by the Graphics Card, Motherboard and the Networking Environment.
System Requirements
| OS | Hardware |
|
|
Before calling Samsung Customer Service Center, test your product as follows. If the problem persists, contact Samsung Customer Service Center.
Testing the Product
Check if your product is operating normally by using the product test function. If the screen is turned off and the power indicator blinks even though the product is properly connected to a PC, perform a self-diagnosis test.
If the screen remains blank, check the PC system, video controller and cable.
Checking the Resolution and Frequency
For a mode that exceeds the supported resolution, the message Not Optimum Mode will appear for a short time.
The displayed resolution may vary, depending on the computer system settings and cables.
Check the following.
Installation issue (PC mode)
The screen keeps switching on and off.
Check the cable connection between the product and PC, and ensure the connectors are locked.
Blank spaces are found on all four sides of the screen when an HDMI or HDMI-DVI cable is connected to the product and PC.
The blank spaces found on the screen have nothing to do with the product.
Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem, adjust the screen size in the HDMI or DVI settings for the graphics card.
If the graphics card settings menu does not have an option to adjust the screen size, update the graphics card driver to the latest version.
(Please contact the graphics card or computer manufacturer for further details about how to adjust the screen settings.)
Screen issue
The power LED is off. The screen will not switch on.
Check that the power cable is connected properly.
The message Check Signal Cable appears.
Check that the cable is properly connected to the product.
Check that the device connected to the product is powered on.
Not Optimum Mode is displayed.
This message appears when the signal from the graphics card exceeds the maximum resolution or frequency for the product.
Change the maximum resolution and frequency to suit the product performance, referring to Standard Signal Mode Table.
The images on the screen look distorted.
Check the cable connection to the product.
The screen is not clear. The screen is blurry.
Remove any accessories (video extension cable, etc.) and try again.
Set the resolution and frequency to the recommended level.
The screen appears unstable and shaky. There are shadows or ghost images left on the screen.
Check that the resolution and frequency for the PC are within the range of resolution and frequency compatible with the product. Next, if required, change the settings, referring to Standard Signal Mode Table in this manual and the Information menu on the product.
The screen is too bright. The screen is too dark.
Adjust Brightness and Contrast.
Screen color is inconsistent.
Change the Color settings.
The colors on the screen have a shadow and are distorted.
Change the Color settings.
White does not really look white.
Change the Color settings.
There is no image on the screen and the power LED blinks every 0.5 to 1 second.
The product is operating in power-saving mode.
Press any key on the keyboard or move the mouse to return to normal operating mode.
Text is blurry.
If using a Windows OS (e.g. Windows 7, Windows 8, Windows 8.1 or Windows 10): Go to Control Panel → Fonts → Adjust ClearType text and change Turn on ClearType.
Video playback is choppy.
Playback of high-definition large video files can be choppy. This may be because the video player is not optimized for the computer resource.
Try playing the file on another video player.
Sound issue
There is no sound.
Check the connection of the audio cable or adjust the volume. Check the volume.
The volume is too low.
Adjust the volume.
If the volume is still low after turning it up to the maximum level, adjust the volume on your PC sound card or software program.
Video is available but there is no sound.
Sound cannot be heard if an HDMI-DVI cable is used to connect the input device.
Connect the device using an HDMI cable, DP cable or MINI DP cable.
Source device issue
A beeping sound is heard when my PC is booting.
If a beeping sound is heard when your PC is booting, have your PC serviced.
Refer to the user manual for your PC or graphics card for further instructions on adjustment.
How can I change the frequency?
Set the frequency on your graphics card.
How can I change the resolution?
How do I set power-saving mode?
Reference file: Samsung LC49HG90DMUXEN 449" Odyssey Neo G9 DQHD Quantum Mini-LED Gaming Monitor
Additionally, the document applies to other Samsung models: C49HG90DM*