USER MANUAL
Control Panel

| Parts | Description |
| JOG Button |
Multi directional button that helps navigate.
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| Power LED |
This LED is power status indicator and works as
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| Function Key Guide |
Press the JOG button when the screen is turned on. The Function KeyGuide will appear. To access the onscreen menu when the guide is displayed, press the corresponding direction button again.
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| Game Setting Key |
Use shortcut keys to access previously saved custom game modes.
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Function Key Guide

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 The OSD (On Screen Display) of your Monitor’s feature appears. |
Source |
Selects 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. |
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.

When the monitor displays the Main menu the JOG Button could be used as below

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.

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

Brightness
This menu is not available when Eye Saver Mode is enabled.
This menu is not available when Picture Mode is set to Dynamic Contrast mode.
Contrast
This menu is not available when Picture Mode is set to Cinema or Dynamic Contrast mode.
Sharpness
This menu is not available when Picture Mode is set to Cinema or Dynamic Contrast mode.
This menu is not available when PBP is enabled.
You can adjust Volume by moving the JOG button left or right, if no OSD menu is displayed.

To deactivate the Mute function, access the Volume control screen, then increase or decrease the Volume.
The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality.

| Port | Description |
|
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Connect the power cord for your monitor to the POWER IN port on the back of the product. |
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Connects to a source device using an HDMI cable or HDMI-DVI cable. |
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Connects to a PC using a DP cable. |
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Connects to a PC using a MINI DP cable. |
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Connect to an audio output device such as headphones. |
| Dedicated to service technicians | |
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Connect to a microphone. |
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Connect to a PC. |
1. Be sure to insert the USB disk into the 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

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.

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:

Attaching the Stand (Type one)
Before assembling the product, place the product down on a flat and stable surface so that the screen is facing downwards
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Caution Hold the stand neck with both hands, not one hand, to prevent it from falling off and causing injury. |
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Remove the Cushion Top and Cushion Front, and then place the Cushion Front on the desk. |
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Pull the monitor out of the package (two people are required for this work), and then place the monitor on the Cushion Front. |
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Place the stand neck on the monitor as shown in the figure. |
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Fasten the screws at the top of the stand neck. |
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Insert the stand base into the stand neck in the direction as shown in the figure. |
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Disassemble the COVER-REAR TOP. |
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Assemble the COVER-REAR TOP to the stand neck as shown in the figure. |
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Rotate the COVER-REAR TOP clockwise. |
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Attaching the Stand (Type two)
Before assembling the product, place the product down on a flat and stable surface so that the screen is facing downwards.
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Caution Hold the stand neck with both hands, not one hand, to prevent it from falling off and causing injury. |
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Place the stand neck on the monitor as shown in the figure. |
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Fasten the screws at the top of the stand neck. |
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Insert the stand base into the stand neck in the direction as shown in the figure. |
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Disassemble the COVER-REAR TOP. |
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Assemble the COVER-REAR TOP to the stand neck as shown in the figure. |
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Rotate the COVER-REAR TOP clockwise. |
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Stand up the monitor as shown in the figure. |
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Remove the package. |
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Before removing the stand from the monitor, place the monitor on a flat and stable surface with the screen facing down
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Rotate the COVER-REAR TOP counterclockwise. |
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Lift the COVER-REAR TOP |
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Disassemble the COVER-REAR TOP. |
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Remove the stand base from the stand neck. |
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Unfasten the 4 screws at the top of the stand neck. |
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Lift and remove the stand. |
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Caution Do not press down on the monitor. There is a risk of damaging the monitor. |

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

Do not attach the BRACKET WALL when the monitor is turned on. This may cause electric shock and might result in injury.
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

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.

If multiple source devices are connected to the PC, the many cables around the PC may look messy.
Connecting the devices directly to the product will resolve such inconvenience.
Connect a mobile device such as an MP3 player or smartphone to the product when connected to a PC.
This allows you to control the device from the PC or charge the device battery.
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.
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.
Tidying Up the Connected Cables
Headphones hanger
Downward
Upward
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Connect the corresponding cables. |
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Arrange the cables against the bend tendency of the cables and pull the cables out of the COVER-REAR SUB grooves. |
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Hang the HOLDER-CABLE in the direction as shown in the figure. |
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Arrange the cables against their bend tendency, and then pull them through the HOLDER-CABLE hangers. When the set height is changed, you need to arrange the cables and pull them through the HOLDER-CABLE hangers again. |
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Push the COVER STAND BODY REAR in the direction as shown in the figure. |
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Remove the COVER STAND BODY REAR by pulling it in the direction as shown in the figure. |
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Place the corresponding cables into the stand-neck holder. Do not stretch the cable. Three cables in one holder is recommended. |
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Attach the COVER STAND BODY REAR in the direction as shown in the figure with the buckles not being exposed. |
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Move down the COVER STAND BODY REAR until it covers the stand neck completely. |
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Adjust the set height, if required. |
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Open the Headset Hanger by pushing it down. |
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Hang the headset. |
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Rotate and then push up the Headset Hanger in the directions as shown in the figure. |
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Caution Open the COVER-REAR SUB in the direction as shown in the figure. |
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.
Checking the Resolution and Frequency
For a mode that exceeds the supported resolution(refer to Standard Signal Mode Table), 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)
Screen issue
Sound issue
Source device issue
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?
General

Plug-and-Play
This monitor can be installed and used with any Plug-and-Play compatible systems. Two-way data exchange between the monitor and PC system optimizes the monitor settings. Monitor installation takes place automatically. However, you can customize the installation settings if desired.
Panel Dots (Pixels)
Due to the nature of the manufacturing of this product, approximately 1 pixel per million (1ppm) may be brighter or darker on the LCD panel. This does not affect product performance.
The above specifications are subject to change without notice to improve quality.
This device is a Class B digital apparatus.
For detailed device specifications, visit the Samsung Electronics website.
Standard Signal Mode Table

If a signal that belongs to the following standard signal modes is transmitted from your PC, the screen will automatically be adjusted. If the signal transmitted from the PC does not belong to the standard signal modes, the screen may be blank even though the power LED turns on. In such a case, change the settings according to the following table by referring to the graphics card user manual.


Horizontal Frequency
The time required to scan a single line from the left to the right side of the screen is called a horizontal cycle. The reciprocal number of a horizontal cycle is called horizontal frequency. Horizontal frequency is measured in kHz.
Vertical Frequency
Repeating the same picture dozens of times per second allows you to view natural pictures. The repeat frequency is called "vertical frequency" or "refresh rate" and is indicated in Hz.
This product can be set to only one resolution for each screen size to obtain the optimum picture quality due to the nature of the panel. Using a resolution other than the specified resolution may degrade the picture quality. To avoid this, it is recommended that you select the optimum resolution specified for your product.
Reference file: Samsung LC49HG90DMNXZA 49" CHG90 QLED Gaming Monitor
Additionally, the document applies to other Samsung models: C49HG90DM*