Table of Contents
Samsung LS24A400UJU User Manual
Displayed below is the user manual for LS24A400UJU by Samsung which is a product in the Computer Monitors category. This manual has pages.
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User Manual
(a) An engineer is called out at your request, but it is found that the product has no defect (i.e.,
where the user manual has not been read).
(b) You bring the unit to a repair centre, but it is found that the product has no defect (i.e., where the
user manual has not been read).
You will be informed of the administration fee amount before a technician visits.
S24A40*
The colour and the appearance may differ depending on the product, and the specifications are
subject to change without prior notice to improve the performance.
The contents of this manual are subject to change without notice to improve quality.
© Samsung
Samsung owns the copyright for this manual.
Use or reproduction of this manual in parts or entirety without the authorization of Samsung is
prohibited.
Trademarks other than that of Samsung are owned by their respective owners.
An administration fee may be charged in the following situations:
Table of contents
Before Using the Product
Safety Precautions 4
Electricity and Safety 4
Installation 5
Operation 6
Cleaning 7
Correct posture to use the product 8
Preparations
Installation 9
Attaching the Stand 9
Precautions for moving the product 10
Checking the space around the product 10
Adjusting the Product Tilt and Height 11
Rotating the Product 11
Anti-theft Lock 12
Wall Mount Kit Specifications (VESA) 13
Control Panel 14
Direct Key Guide 15
2
Menu
Picture
OnScreen Display
System
Support
Installing the Software
Easy Setting Box
Restrictions and Problems with the Installation 38
System Requirements
Driver Installation
Information
Connecting and Using a Source Device
Read below before connecting the product. 16
Ports 17
18
18
18
18
18
19
19
Tidying Up the Connected Cables 23
24
19
Setting Optimum Resolution
Setting up the monitor webcam as default
setting
24
20
Setting Windows Hello 20
Setting up the monitor speaker as default
setting
27
30
34
35
37
37
38
38
38
Connecting and Using a PC
Connection Using the DP Cable
Connection Using an HDMI Cable
Connection Using an HDMI-DVI Cable
Connection Using the D-SUB Cable
(Analog Type)
Connecting to headphones or earphones
Connecting the Power
Connecting the Product to a PC as a USB HUB
Connecting to Webcam
Table of contents
3
Troubleshooting Guide
Requirements Before Contacting Samsung
Customer Service Centre
Product diagnosis (Screen issue)
Checking the Resolution and Frequency
Check the following.
Q & A
Specifications
General
Standard Signal Mode Table
Appendix
Responsibility for the Pay Service (Cost to
Customers)
Not a product defect
A Product damage caused by customer's fault
Others
FreeSync
39
39
39
39
42
43
44
46
46
46
46
47
4
Safety Precautions
Warning A serious or fatal injury may result if instructions are not followed.
Caution Personal injury or damage to properties may result if instructions are
not followed.
CAUTION
RISK OF ELECTRIC SHOCK. DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). THERE
ARE NO USER SERVICEABLE PARTS INSIDE. REFER ALL SERVICING TO QUALIFIED PERSONNEL.
This symbol indicates that high
voltage is present inside. It is
dangerous to make any kind of
contact with any internal part of this
product.
AC voltage: Rated voltage marked
with this symbol is AC voltage.
This symbol indicates that this
product has included important
literature concerning operation and
maintenance.
DC voltage: Rated voltage marked
with this symbol is DC voltage.
Class II product: This symbol indicates
that a safety connection to electrical
earth (ground) is not required. If this
symbol is not present on a product
with a mains lead, the product
MUST have a reliable connection to
protective earth (ground).
Caution. Consult instructions for use:
This symbol instructs the user to
consult the user manual for further
safety related information.
Electricity and Safety
Warning
• Do not use a damaged power cord or plug, or a loose power socket.
• Do not use multiple products with a single power socket.
• Do not touch the power plug with wet hands.
• Insert the power plug all the way in so it is not loose.
• Connect the power plug to a grounded power socket (type 1 insulated devices only).
• Do not bend or pull the power cord with force. Be careful not to leave the power cord under a heavy
object.
• Do not place the power cord or product near heat sources.
• Clean any dust around the pins of the power plug or the power socket with a dry cloth.
Caution
• Do not disconnect the power cord while the product is being used.
• Only use the power cord provided with your product by Samsung. Do not use the power cord with
other products.
• Keep the power socket where the power cord is connected unobstructed.
‒ The power cord must be disconnected to cut off power to the product when an issue occurs.
• Hold the plug when disconnecting the power cord from the power socket.
Before Using the Product
Chapter 01
5
Installation
Warning
• DO NOT PLACE CANDLES, INSECT REPELLANTS OR CIGARETTES ON TOP OF THE PRODUCT. DO NOT
INSTALL THE PRODUCT NEAR HEAT SOURCES.
• Keep the plastic packaging out of the reach of children.
‒ Children may suffocate.
• Do not install the product on an unstable or vibrating surface (insecure shelf, sloped surface, etc.)
‒ The product may fall and become damaged and/or cause an injury.
‒ Using the product in an area with excess vibration may damage the product or cause a fire.
• Do not install the product in a vehicle or a place exposed to dust, moisture (water drips, etc.), oil, or
smoke.
• Do not expose the product to direct sunlight, heat, or a hot object such as a stove.
‒ The product lifespan may be reduced or a fire may result.
• Do not install the product within the reach of young children.
‒ The product may fall and injure children.
• Edible oil (such as soybean oil) may damage or distort the product. Keep the product away from oil
pollution. And do not install or use the product in the kitchen or near the kitchen stove.
Caution
• Do not drop the product while moving.
• Do not set down the product on its front.
• When installing the product on a cabinet or shelf, make sure that the bottom edge of the front of
the product is not protruding.
‒ The product may fall and become damaged and/or cause an injury.
‒ Install the product only on cabinets or shelves of the right size.
• Set down the product gently.
‒ Product failure or personal injury may result.
• Installing the product in an unusual place (a place exposed to a lot of fine dust, chemical
substances, extreme temperatures or a significant presence of moisture, or a place where
the product will operate continuously for an extended period of time) may seriously affect its
performance.
‒ Be sure to consult Samsung Customer Service Centre if you want to install the product at such a
place.
• Before assembling the product, place the product down on a flat and stable surface so that the
screen is facing downwards.
6
Operation
Warning
• There is a high voltage inside the product. Never disassemble, repair or modify the product
yourself.
‒ Contact Samsung Customer Service Centre for repairs.
• To move the product, first disconnect all the cables from it, including the power cable.
• If the product generates abnormal sounds, a burning smell or smoke, disconnect the power cord
immediately and contact Samsung Customer Service Centre.
• Do not let children hang from the product or climb on top of it.
‒ Children may become injured or seriously harmed.
• If the product is dropped or the outer case is damaged, turn off the power and disconnect the
power cord. Then contact Samsung Customer Service Centre.
‒ Continued use can result in a fire or electric shock.
• Do not leave heavy objects or items that children like (toys, sweets, etc.) on top of the product.
‒ The product or heavy objects may fall as children try to reach for the toys or sweets resulting in a
serious injury.
• During a lightning or thunderstorm, power off the product and remove the power cable.
• Do not drop objects on the product or apply impact.
• Do not move the product by pulling the power cord or any cable.
• If a gas leakage is found, do not touch the product or power plug. Also, ventilate the area
immediately.
• Do not lift or move the product by pulling the power cord or any cable.
• Do not use or keep combustible spray or an inflammable substance near the product.
• Ensure the vents are not blocked by tablecloths or curtains.
‒ An increased internal temperature may cause a fire.
• Do not insert metallic objects (chopsticks, coins, hairpins, etc) or objects that burn easily (paper,
matches, etc) into the product (via the vent or input/output ports, etc).
‒ Be sure to power off the product and disconnect the power cord when water or other foreign
substances have entered the product. Then contact Samsung Customer Service Centre.
• Do not place objects containing liquid (vases, pots, bottles, etc) or metallic objects on top of the
product.
‒ Be sure to power off the product and disconnect the power cord when water or other foreign
substances have entered the product. Then contact Samsung Customer Service Centre.
7
Caution
• Leaving the screen fixed on a stationary image for an extended period of time may cause
afterimage burn-in or defective pixels.
‒ Set the screen to power-saving mode or moving-picture screen saver when not using the
product for an extended period of time.
• Disconnect the power cord from the power socket if you do not plan on using the product for an
extended period of time (vacation, etc).
‒ Dust accumulation combined with heat can cause a fire, electric shock or electric leakage.
• Use the product at the recommended resolution and frequency.
‒ Your eyesight may deteriorate.
• Do not hold the product upside-down or move it by holding the stand.
‒ The product may fall and become damaged or cause an injury.
• Looking at the screen too close for an extended period of time can deteriorate your eyesight.
• Do not use humidifiers or stoves around the product.
• Rest your eyes for more than 5 minutes or look at distance objects for every 1 hour of product use.
• Do not touch the screen when the product has been turned on for an extended period of time as it
will become hot.
• Store small accessories out of the reach of children.
• Exercise caution when adjusting the product angle or stand height.
‒ Your hand or finger may get stuck and injured.
‒ Tilting the product at an excessive angle may cause the product to fall and an injury may result.
• Do not place heavy objects on the product.
‒ Product failure or personal injury may result.
• When using headphones or earphones, do not turn the volume too high.
‒ Having the sound too loud may damage your hearing.
Cleaning
High-glossy models can develop white stains on the surface if an ultrasonic wave humidifier is used
nearby.
― Contact your nearest Samsung Customer Service Centre if you want to clean the inside of the product
(Service fee will be charged.)
Do not press the product screen with hands or other objects. There is a risk of damaging the screen.
― Exercise care when cleaning as the panel and exterior of advanced LCDs are easily scratched.
Take the following steps when cleaning.
1
Power off the product and PC.
2
Disconnect the power cord from the product.
― Hold the power cable by the plug and do not touch the cable with wet hands. Otherwise, an electric
shock may result.
3
Wipe the product with a clean, soft and dry cloth.
Wet a soft cloth in water, wing it out well, and then use the cloth to wipe the exterior of the product
clean.
‒ Do not apply a cleaning agent that contains alcohol, solvent, or surfactant to the product.
‒ Do not spray water or detergent directly on the product.
4
Connect the power cord to the product when cleaning is finished.
5
Power on the product and PC.
8
Correct posture to use the product
Use the product in the correct posture as follows:
• Straighten your back.
• Allow a distance of 45 to 50cm between your eye 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 the Eye excercises or blink frequently, then eye fatigue will be relieved.
9
Chapter 02
Preparations
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.
― Disassembly is the reverse order of assembly.
Insert the stand base into the stand
in the direction of the arrow. Fasten
the screw tightly (using a screwdriver
or coin) into the bottom of the stand
base.
After installing the stand, place the
product upright.
Stand up the monitor as
shown in the figure.
Caution
Do not arbitrarily remove the panel film.
If not observed, the warranty service may
be restricted.
4
Push the assembled stand into the main body in the direction of the arrow as
shown in the figure.
x 1
2 3
1
10
Precautions for moving the product
• Hold the lower corners or edges of the
product when moving it.
• Do not directly apply pressure on the screen.
• Do not hold the screen when moving the
product.
• Do not hold the product upside down only by
the stand.
• Do not press down on the product. There is a
risk of damaging the product.
Checking the space around the product
Make sure to have enough space for ventilation when placing the product. An internal temperature rise
may cause fire and damage the product. Maintain enough space around the product as shown in the
diagram when installing the product.
― The exterior may differ depending on the product.
10 cm
10 cm
10 cm
10 cm
10 cm
11
Adjusting the Product Tilt and Height
― The colour and shape of parts may differ from what is shown. Specifications are subject to change without
notice to improve quality.
• To adjust the height, remove the fixing pin.
• The product tilt and height can be adjusted.
• Hold the top centre of the product and adjust the height carefully.
• The height adjustment has a certain tolerance. Stay within the tolerances when adjusting the
height of the product.
Rotating the Product
― The colour and shape of parts may differ from what is shown. Specifications are subject to change without
notice to improve quality.
-3.0° (±2.0°) ~ +22.0° (±2.0°)
0 ~ 120.0 mm (±5.0 mm)
-45.0° (±2.0°) ~ 45.0° (±2.0°) -
2.0° (+0°, -2.0°) ~ 92.0° (±2.0°)
HDMI D-SUB (PC )DP
4 5 6
1 2 3
12
You can rotate your product as shown below.
• Be sure to fully extend the stand before rotating the product.
• If you rotate the product without fully extending the stand, the corner of the product may hit the
floor and get damaged.
• Do not rotate the product counterclockwise. The product may get damaged.
• When rotating the product, be careful not to damage the product by hitting the object or stand.
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 manuals provided
with your anti-theft locking device for details.
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 manuals provided with your anti-theft locking device for details.
‒ Anti-theft locking devices can be purchased at electronics retailers or online.
13
Wall Mount Kit Specifications (VESA)
― Install your wall mount on a solid wall perpendicular to the floor. Before attaching the wall mount to
surfaces other than plaster board, please contact your nearest dealer for additional information. If you
install the product on a slanted wall, it may fall and result in severe personal injury. Samsung wall mount
kits contain a detailed installation manual and all parts necessary for assembly are provided.
• Do not use screws that are longer than the standard length or do not comply with the VESA
standard screw specifications. Screws that are too long may cause damage to the inside of the
product.
• For wall mounts that do not comply with the VESA standard screw specifications, the length of the
screws may differ depending on the wall mount specifications.
• Do not fasten the screws too firmly. This may damage the product or cause the product to fall,
leading to personal injury. Samsung is not liable for these kinds of accidents.
• Samsung is not liable for product damage or personal injury when a non-VESA or non-specified
wall mount is used or the consumer fails to follow the product installation instructions.
• Do not mount the product at more than a 15 degree tilt.
• Standard dimensions for wall mount kits are shown in the table below.
Model name VESA screw hole specs
(A * B) in millimetres
Standard Screw Quantity
S24A40*
100.0 x 100.0
M4
4 EA
― Do not install your Wall Mount Kit while your product is turned on. It may result in personal injury due to
electric shock.
― For use only with UL and GS Listed Wall Mount Bracket with minimum weight/load bearing capacity of 6.00 kg.
Function Key Guide
Return
14
Control Panel
― The colour 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.
Power LED
This LED is power status indicator.
― You can select the power LED operation to be enabled or disabled on
the menu screen. ( → System → Power LED On)
Function Key Guide
To use the Function Key Guide, press the JOG button when the screen
is turned on.
Source Changes the input source. A message will appear on the top left
corner of the screen if the input source has been changed.
Menu
Displays the main on-screen menu.
To enable or disable the menu lock, move to the next step (move
the jog button to the right) with the “Menu” displayed, and then
push the jog button to the left for 10 seconds until the menu screen
disappears.
If the menu lock is enabled, Brightness, Contrast, Eye Saver Mode,
Volume, Self Diagnosis and Information are available.
Eye Saver Mode Enables the Eye Saver Mode.
Power Off Turns off the product.
Return Exits from the menu page.
Power LED
15
Direct Key Guide
― On the Direct Key Guide screen, the following menu options appear when the product screen is switched
on or the input source is changed.
― When the product not displays the OSD menu, the JOG Button could be used as below.
Brightness
Volume
Eye Saver Mode Off
Features
•UP/DOWN: Adjust Brightness, Contrast, Sharpness.
•LEFT/RIGHT: Adjust Audio volume.
•PRESS(ENTER): Display Function Key Guide.
16
Connecting and Using a Source Device
Chapter 03
Read below before connecting the product.
1
Before connecting the product, check the shapes of both ports of the supplied signal cables and
the shapes and locations of the ports on the product and external device.
2
Before connecting the product, make sure you remove the power cables from both the product and
the external device to prevent damage to the product due to a short circuit or over current.
3
After all signal cables have been properly connected, connect the power cables back to the product
and the external device.
4
After connecting is completed, make sure you read the manuals to acquaint yourself with the
product functions, precautions and other information required to use the product properly.
― Connecting parts may differ in different products.
― Provided ports may vary depending on the product.
HDMI D-SUB (PC )DP
HDMI D-SUB (PC )DP
17
Ports
― The functions available may vary depending on the product model. The colour and shape of parts may
differ from what is shown. Specifications are subject to change without notice to improve quality. Refer to
the actual product.
Description
Connect to an audio output device such as headphones.
USB 3.0 downstream port and service port.
Connects to a PC using a USB cable. Compatible with a USB cable version 3.0.
― This port can only connect to a PC.
Connects to a PC using a DP cable.
Connects to a source device using an D-SUB cable.
(POWER IN) port on the Connect the power cord for your monitor to the
back of the product.
Connects to a source device using an audio cable.
Connects to a source device using an HDMI cable.
USB 3.0 downstream port.
Port
DP
D-SUB
HDMI
1818
―The audio function is not supported if the source device is connected using the D-SUB cable.
― When connecting an HDMI cable, use the cable that came with the components of the product. If you use
an HDMI cable other than provided by Samsung, the image quality may be degraded.
Connecting and Using a PC
Select a connection method suitable for your PC.
Connection Using an DP Cable
― A DP cable shorter under 1.5 m in length is recommended. Using a cable longer than 1.5 m can affect the
picture quality.
Connection Using an HDMI-DVI Cable
Connection Using an HDMI Cable
― The audio function is not supported if the source device is connected using the HDMI-DVI cable.
― The optimum resolution may not be available with an HDMI-DVI cable.
Connection Using the D-SUB Cable (Analog Type)
D-SUB
(PC )
19
Connecting to headphones or earphones
Connecting the Power
(POWER IN) port on the To use the product, connect the power cable to a power outlet and the
product.
― The input voltage is switched automatically.
Connecting the Product to a PC as a USB HUB
Using the product as a hub, connect and use various source devices with the product at a time.
― To detect and start a USB device faster, connect the USB device to the port on the product. The read/
write rate will be affected by the USB device and your PC.
― For USB-related problems caused by OS, drive programmes or software, please contact relevant suppliers.
― With the launch of various USB devices on the market, we cannot guarantee that our products are matched
with all USB devices.
― For an external mass-storage HDD requiring external power supply, be sure to connect it to a power source.
― The company is not liable for problems or damages to an external device caused by using an unauthorised
cable for the connection.
― Some products do not follow the USB standard, and it may cause a malfunction of the device.
20
Connecting to Webcam
- When you want to use the monitor built-in webcam and microphone, press down on the webcam
module and then release. The webcam module will pop up. After application is launched, camera
can be used correctly.
- If you push down webcam module, camera will turn off automatically and it can not be detected
by Windows and Application.
Click Accounts.
(PC )
Setting Windows Hello
In Windows® 10:
Click Windows start menu, click Settings.
Execute camera in the PC as below
- Windows - Camera
21
Click Sign-in options. You must set up a Password and PIN before you can enroll in Windows Hello. Once you’ve done that, the options to set up Windows Hello will unlock. Click Set up under Windows
Hello, enter to Windows Hello setup.
The following message is displayed, click Get started.
22
Keep looking directly at your screen and position yourself so that your face is in the center of the
frame that appears on screen. The webcam will then register your face.
When the following message is displayed, click Close to exit Windows Hello setup.
23
Tidying Up the Connected Cables
Tilt the display, as shown in the figure. Rotate the product to the highest vertical position. Connect the corresponding cables.
Rotate the product to the horizontal
position.
Pull the right side of the HOLDER-STAND CABLE
to remove from the stand. The left side of the
HOLDER-STAND CABLE can be damaged when
pulled forcibly.
Put both cables in the cable holder on the
stand (HOLDER-STAND CABLE) to organise
the cables, as shown in the figure. Assembly
is complete.
1
56
23
4
24
Setting Optimum Resolution
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 information message and change the resolution on your PC to the optimum
setting.
― If the optimum resolution is not selected, the message will appear up to three times for a specified time
even when the product is turned off and on again.
― If you want to set the optimum resolution for your computer. Please refer to (Q&A) → “How can I change the
resolution?”
Setting up the monitor webcam as default
setting
When using a notebook with built-in webcam to connect this monitor, in the device manager interface,
you can find the notebook built-in webcam and the monitor webcam. Normally, they are in enable
status, and the default setting is using notebook built-in webcam.
25
Click Details > Property and select Hardware Ids.If you want to set up the monitor webcam as default setting, you need disable the notebook built-in
webcam. To identify the notebook built-in webcam and disable it, please follow below instructions:
Right-click Integrated IR Camera, and click Properties to open the Integrated IR Camera Properties.
The Value will show the detail hardware ids of this Integrated IR Camera. The hardware ids of the
notebook built-in webcam and the monitor webcam are different.
The monitor webcam hardware ids will show as below:
Right click the PC/Notebook webcam which has different hardware ids , and then click Disable.
The following message is displayed:
26
Click Yes. The notebook webcam is now disabled and the monitor webcam will be used as the default
setting. Restart the notebook.
27
Setting up the monitor speaker as default
setting
When your computer connects multiple speakers, if you want to set up the monitor speaker as default
setting, please follow below instructions:
Right-click Volume in the Windows task bar notification area.
Click Playback devices enter to Sound setting interface.
28
If only the HDMI or DP cable is connected from your monitor to the computer, only one speaker named
LS24A40xV from the monitor will show in the Sound setting interface.
Click LS24A40xV and then click Set Default, the monitor speaker will be used as the default setting.
Click OK to exit the Sound setting.
29
If the USB cable and the HDMI or DP cable are connected from monitor to the computer, two speakers
named LS24A40xV and Speakers (LS24A40xV) respectively from the monitor will show in the Sound
setting interface. The difference between LS24A40xV and Speakers (LS24A40xV) is only different signal
source. You can choose either one to set as the default speaker for monitor.
Menu
Function Key Guide →
Chapter 04
― The functions available may vary depending on the product model. The colour and shape of parts may differ from what is shown. Specifications are subject to change without notice to improve quality.
Picture
2nd 3rd Description
SAMSUNG MAGIC Bright
This menu provides an optimum picture quality suitable for the environment where the product will be used.
― This menu is not available when Eco Saving Plus is enabled.
― This menu is not available when Game Mode is enabled.
― This menu is not available when Eye Saver Mode is enabled.
In PC mode
• Custom: Customise the contrast and brightness as required.
• Standard: Obtain a picture quality suitable for editing documents or using Internet.
• Cinema: Obtain the brightness and sharpness of monitors suitable for enjoying video and DVD content.
• Dynamic Contrast: Obtain balanced brightness through automatic contrast adjustment.
30
2nd 3rd Description
In AV mode
When the external input is connected through HDMI, DP and PC/AV Mode is set to AV, Picture Mode has four automatic picture settings (Dynamic,
Standard, Movie and Custom) that are preset at the factory. You can activate either Dynamic, Standard, Movie or Custom. You can select Custom
which automatically recalls your personalised picture settings.
• Dynamic: Select this mode to view a sharper image than in Standard mode.
• Standard: Select this mode when the surroundings are bright.
• Movie: Select this mode when the surroundings are dark. This will save power and reduce eye fatigue.
• Custom: Select this mode when you want to adjust the image according to your preferences.
― The input source is 480p, 576p, 720p or 1080p and product can display normally (Not every model can support all of these signals.).
Brightness You can adjust the general brightness of the picture. (Range: 0~100)
A higher value will make the picture appear brighter.
― This menu is not available when Picture Mode is set to Dynamic Contrast mode.
― This menu is not available when Eco Saving Plus is enabled.
― This menu is not available when Eye Saver Mode is enabled.
Contrast Adjust the contrast between the objects and background. (Range: 0~100)
A higher value will increase the contrast to make the object appear clearer.
― This option is not available when Picture Mode is in Cinema or Dynamic Contrast mode.
― This menu is not available when Game Mode is enabled.
31
2nd 3rd Description
Sharpness Make the outline of objects more clear or blurry. (Range: 0~100)
A higher value will make the outline of objects clearer.
― This option is not available when Picture Mode is in Cinema or Dynamic Contrast mode.
― This menu is not available when Game Mode is enabled.
Color Adjust the tint of the screen.
HDMI Black Level If a DVD player or set-top box etc is connected to the product via HDMI, image quality degradation (contrast/colour degradation, black level, etc.)
may occur, depending on the connected source device.
In such case, HDMI Black Level can be used to adjust the image quality.
•Normal / Low
― This function is only available in HDMI mode.
― HDMI Black Level may not be compatible with some source devices.
― The HDMI Black Level feature is only activated at a certain AV resolution, such as 480p @ 60 Hz, 576p @ 50 Hz, 720p @ 60 Hz and 1080p @ 60 Hz.
Eye Saver Mode Set to an optimum picture quality suitable for eye relaxation.
TÜV Rheinland “Low Blue Light Content” is a certification for products which meet requirements for lower blue light levels. When Eye Saver
Mode is 'On', the blue light that wavelength is around 400nm will decrease, and it will provide an optimum picture quality suitable for eye
relaxation. At the same time, the blue light level is lower than in the default settings, and it was tested by TÜV Rheinland and certified as it met
the requirements of TÜV Rheinland “Low Blue Light Content” standards.
32
• Color Tone: Select a colour tone that best suits your viewing needs.
― When the external input is connected through HDMI/DP and PC/AV Mode is set to AV (720P @ 60Hz and 1080P @ 60Hz), Color Tone has four colour
temperature settings (Cool, Normal, Warm and Custom).
•Red: Adjust the red saturation level. Values closer to 100 mean greater intensity for the colour.
•Green: Adjust the green saturation level. Values closer to 100 mean greater intensity for the colour.
•Blue: Adjust the blue saturation level. Values closer to 100 mean greater intensity for the colour.
•Gamma: Adjust the middle level of luminance.
― This menu is not available when Picture Mode is set to Cinema or Dynamic Contrast mode.
― This menu is not available when Game Mode is enabled.
― This menu is not available when Eye Saver Mode is enabled.
2nd 3rd Description
Game Mode
Configure the product screen settings for game mode.
Use this feature when playing games on a PC or when a game console such as PlayStation™ or Xbox™ is connected.
― This menu is not available when Eye Saver Mode is enabled.
― When the product turns off, enters power-saving mode or changes input sources, Game Mode turns Off even if it is set to On.
― If you want to keep Game Mode enabled all the time, select Always On.
Response Time
Accelerate the panel response rate to make video appear more vivid and natural.
― Use Standard mode when not playing a video or game.
Picture Size
Change the picture size.
― This option is not available when FreeSync is in On mode.
In PC mode
• Auto / Wide
In AV mode
•4:3 / 16:9 / Screen Fit
― The function may not be supported depending on the ports provided with the product.
― Changing the Picture Size is available when the following conditions are satisfied.
― The input source is 480p, 576p, 720p or 1080p and product can display normally (Not every model can support all of these signals.).
― This can only be set when the external input is connected through HDMI, DP and PC/AV Mode is set to AV.
Screen Adjustment
― This menu is available in Analog mode only.
Configuring H-Position & V-Position
Configuring Coarse
Adjust the screen frequency.
― This menu is available in Analog mode only.
Configuring Fine
Fine-adjust the screen to obtain a vivid picture.
― This menu is available in Analog mode only.
•H-Position: Move the screen to the left or right.
•V-Position: Move the screen to up or down.
33
OnScreen Display
2nd 3rd Description
Transparency Set the transparency for the menu windows.
Position • H-Position: Move the menu position to the left or right.
• V-Position: Move the menu position up or down.
Language Set the menu language.
― A change to the language setting will only be applied to the onscreen menu display.
Display Time Set how long the menu window will remain on screen for when it is not in use.
34
System
2nd 3rd Description
FreeSync FreeSync technology is solution that eliminates screen tearing without all the usual lag and latency. FreeSync can be operated when you use
AMD's graphic card with supporting FreeSync solution.
For more information, see FreeSync page.
Volume
Eco Saving Plus Reduce energy consumption compared to consumption at the maximum brightness level.
• Off: Deactivate the Eco Saving Plus function.
• Auto: The power consumption will automatically be reduced by about 10% over the current setting.
(The reduction of power consumption depends on the customer screen brightness condition.)
• Low: Saves up to 25 % energy compared to the maximum brightness.
• High: Saves up to 50 % energy compared to the maximum brightness.
― This option is not available when Picture Mode is in Dynamic Contrast mode.
― This menu is not available when Game Mode is enabled.
― This menu is not available when Eye Saver Mode is enabled.
Change the Volume setting.
― Excessive sound pressure from ear-/headphones can cause hearing damage/hearing loss.
― When use USB Audio, this function is no supported.
― USB volume adjustment only in Windows control.
Self Diagnosis Perform this test when you experience a problem with your monitor's picture.
― Never turn off the power nor change the input source during self diagnosis. If possible, try not to interrupt testing.
35
2nd 3rd Description
Off Timer • Off Timer: Turn on Off Timer mode.
• Turn Off After: The off timer can be set within a range of 1 to 23 hours. The product will automatically power off after the specified number of
hours.
‒ This option is only available when Off Timer is set to On.
― For products for the market in some regions, the Off Timer is set to automatically activate 4 hours after the product powers on. This is done in
accordance with power supply regulations. If you do not want the timer to activate, go to →
System → Off Timer and set Off Timer to Off.
PC/AV Mode Set PC/AV Mode to AV. The picture size will be enlarged.
This option is useful when you view a movie.
― Products with a display area of 16:9 or 16:10 are only supported.
Source Detection
When there is no signal, the display automatically switches to the newly connected device.
― This function may not be supported depending on the model or geographical area.
Key Repeat Time Control the response rate of a button when the button is pressed.
Acceleration, 1 sec or 2 sec can be selected. If No Repeat is selected, a command responds only once when a button is pressed.
Power LED On Configure the settings to enable or disable the power LED located at the lower part of the product.
• Working: The power LED is on when the product is turned on.
• Stand-by: The power LED is on when the product is turned off.
Off Timer Plus
Eco Timer • Eco Timer: Turn on Eco Timer mode.
• Eco Off After: The Eco Off After can be set between 10 and 180 minutes. The product will automatically power off after the specified time has
elapsed.
― This option is only available when Eco Timer is set to On.
36
Support
2nd 3rd Description
Software Update Update software using an update file on a USB device.
1
Save the update file (in .bin format) that you downloaded from the Samsung website (http://www.samsung.com/sec) to a USB device.
2
Connect the USB device to the
port on the monitor.
Select →System → Software Update .
3
Follow the instructions on the screen to proceed with update.
4
Your product will turn itself off and on again automatically after completing update.
5
Remove the power cord from the power outlet and then reconnect the cord after turning off.
― To p erform software update by using a USB device, first format the USB device to FAT32 .
― When updating by a USB device, be sure to use the device whose version of USB 3.0 or lower.
― When performing update, make sure that only one BIN file (.bin) is saved in the root directory.
― If the No USB devices detected. Please check and try again. message is displayed, this is probably due to the following reasons.
― A USB device is not connected to the port.
― The files in the connected USB device are not compatible formats.
― There are no valid update files found in the connected USB device. (There are no update files saved in the memory or the file names are incorrect.)
― The update will not start if the downloaded software does not match the software installed on the monitor. To check the software for consistency,
select → Information.
― Do not turn off the product until the update is complete. And prevent the updating from any interruption as far as possible. In general, the product
returns to the previous version if an update is interrupted.
Reset All Return all the settings for the product to the default factory settings.
View the current software information. Refer to the actual monitor screen.
Information
37
Installing the Software
Chapter 05
Easy Setting Box
Easy Setting Box enables users to use the product by partitioning multiple sections.
To install the latest version of Easy Setting Box, download it from the Samsung website (http://www.
samsung.com).
― The software may not work properly if you do not restart the PC after the installation.
― The Easy Setting Box icon may not appear depending on the PC system and the product specifications.
― If the shortcut icon does not appear, press the F5 key.
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
• Windows 7 32Bit/64Bit
• Windows 8 32Bit/64Bit
• Windows 8.1 32Bit/64Bit
• Windows 10 32Bit/64Bit
• At least 32MB of memory
• At least 60MB of free space on the hard disk drive
Driver Installation
To install the latest version of the product driver, download it from the Samsung website (http://www.
samsung.com).
― You can set the optimum resolution and frequency for this product by installing the corresponding drivers.
38
Troubleshooting Guide
Chapter 06
Requirements Before Contacting Samsung
Customer Service Centre
― Before calling Samsung Customer Service Centre, test your product as follows. If the problem persists,
contact Samsung Customer Service Centre.
Product diagnosis (Screen issue)
If a problem occurs with the product screen, run Self Diagnosis to check that the product is working
properly.
Checking the Resolution and Frequency
If a resolution that is not supported (see the Standard Signal Mode Table) is selected, the Not Optimum
Mode message may appear for a short time or the screen may not be displayed properly.
― The displayed resolution may vary, depending on the PC system settings and cables.
Check the following.
Installation issue
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 PC 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.
If a problem occurs with the product screen, run Self Diagnosis to check that the product is working
properly.
39
The message Check the cable connection and the settings of the source device. appears.
Check that the cable is properly connected to the product.
Check that the device connected to the product is powered on.
Check the PC/AV Mode status. ( → System → PC/AV Mode → DisplayPort: PC or AV / HDMI : PC or
AV.)
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 (P.44).
If this message appears and the connected device does not support the FreeSync function, turn off
the FreeSync on the product.
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 (P.44) 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 colour is inconsistent.
Change the Color settings.
The colours 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 optimised for the PC resource.
Try playing the file on another video player.
Sound issue
There is no sound.
Re-check the condition of the connected audio cable and/or adjust the volume,
referring to Setting up the monitor speaker as default setting (P.27)
Check the volume.
Check whether audio is set to mute.
The volume is too low.
Adjust the volume, referring to Setting up the monitor speaker as default setting (P.27)
If the volume is still low after turning it up to the maximum level, adjust the volume on your PC
sound card or software programme.
Video is available but there is no sound.
Sound cannot be heard if an HDMI-DVI cable or DVI cable is used to connect the input device.
Connect the device using an HDMI cable or a DP cable.
40
Webcam issue
There is no camera video.
Check the camera device is turn on.
Re-check the condition of the connected USB cable. Adjust the PC/Notebook setting about extend
camera.
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.
41
Q & A
― 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.
• Windows 7: Go to Control Panel → Appearance and Personalization → Display → Screen Resolution → Advanced settings → Monitor, and adjust Screen Refresh Rate under Monitor settings.
• Windows 8(Windows 8.1): Go to Settings → Control Panel → Appearance and Personalization → Display → Screen Resolution → Advanced settings → Monitor, and adjust Refresh rate under Monitor settings.
• Windows 10: Go to Settings → System → Display → Advanced display settings → Display adapter properties → Monitor, and adjust Screen refresh rate under Monitor settings.
How can I change the resolution?
• Windows 7: Go to Control Panel → Appearance and Personalization → Display → Screen Resolution → Adjust Resolution.
• Windows 8(Windows 8.1): Go to Settings → Control Panel → Appearance and Personalization → Display → Adjust Resolution, and adjust the resolution.
• Windows 10: Go to Settings → System → Display → Advanced display settings, and adjust the resolution.
How do I set power-saving mode?
• Windows 7: Go to Control Panel → Appearance and Personalization → Personalization → Screen Saver Settings → Power options or BIOS SETUP on the PC.
• Windows 8(Windows 8.1): Go to Settings → Control Panel → Appearance and Personalization → Personalize → Screen Saver Settings → Power options or BIOS SETUP on the PC.
• Windows 10: Go to Settings → Personalization → Lock screen → Screen timeout settings → Power & sleep or BIOS SETUP on the PC.
42
Specifications
Chapter 07
General
Model Name
S24A40*
Size
24 Class (23.8 Inches / 60.4 cm)
Display area
527.04 mm (H) x 296.46 mm (V)
Pixel Pitch
0.2745 mm (H) x 0.2745 mm (V)
Maximum Pixel Clock
185.5 MHz
Power Supply
AC100-240V~ 50/60Hz
Refer to the label at the back of the product as the standard voltage can vary in different countries.
Signal connectors
HDMI, DisplayPort, D-SUB
Environmental conditions Operating
Temperature: 10 °C – 40 °C (50 °F – 104 °F)
Humidity: 10 % – 80 %, non-condensing
Storage
Temperature: -20 °C – 45 °C (-4 °F – 113 °F)
Humidity: 5 % – 95 %, non-condensing
― Plug-and-Play
This product can be installed and used with any Plug-and-Play compatible systems. Two-way data exchange between the product and PC system optimises the product settings. Product installation takes place automatically.
However, you can customise 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 specifications are subject to change without notice to improve quality.
― For detailed device specifications, visit the Samsung website.
― Flicker Free
The device has no visible or invisible flicker within the range of 0~3000Hz
43
Standard Signal Mode Table
Model Name
S24A40*
Synchronization (PANEL Spec) Horizontal Frequency
56 ~ 84.5 kHz
Vertical Frequency
48 ~ 75 Hz
Resolution Optimum Resolution
1920 x 1080 @ 60 Hz
Maximum Resolution
1920 x 1080 @ 75Hz (HDMI/DP)
1920 x 1080 @ 60Hz (D-SUB)
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.
Resolution Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 720 x 400
31.469 70.087 28.322 -/+
VESA, 640 x 480
31.469 59.940 25.175 -/-
MAC, 640 x 480
35.000 66.667 30.240 -/-
VESA, 640 x 480
37.861 72.809 31.500 -/-
VESA, 640 x 480
37.500 75.000 31.500 -/-
VESA, 800 x 600
35.156 56.250 36.000 +/+
VESA, 800 x 600
37.879 60.317 40.000 +/+
VESA, 800 x 600
48.077 72.188 50.000 +/+
VESA, 800 x 600
46.875 75.000 49.500 +/+
MAC, 832 x 624
49.726 74.551 57.284 -/-
VESA, 1024 x 768
48.363 60.004 65.000 -/-
VESA, 1024 x 768
56.476 70.069 75.000 -/-
VESA, 1024 x 768
60.023 75.029 78.750 +/+
VESA, 1152 x 864
67.500 75.000 108.000 +/+
MAC, 1152 x 870
68.681 75.062 100.000 -/-
VESA, 1280 x 720
45.000 60.000 74.250 +/+
VESA, 1280 x 800
49.702 59.810 83.500 -/+
VESA, 1280 x 1024
63.981 60.020 108.000 +/+
44
Resolution Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
VESA, 1280 x 1024
79.976 75.025 135.000 +/+
VESA, 1440 x 900
55.935 59.887 106.500 -/+
VESA, 1600 x 900
60.000 60.000 108.000 +/+
VESA, 1680 x 1050
65.290 59.954 146.250 -/+
VESA, 1920 x 1080
67.500 60.000 148.500 +/+
VESA, 1920 x 1080
83.894 74.973 174.500 +/-
― 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.
― Some resolutions listed in the table above may not be available depending on graphics card specifications.
VESA, 1920 x 1080
85.000 74.933 185.500 +/+
45
Appendix
Chapter 08
Responsibility for the Pay Service (Cost to
Customers)
― When the service is requested, in spite of in warranty, we may charge you for a visit from a service
technician in the following cases.
Not a product defect
Cleaning of the product, Adjustment, Explanation, Re-installation and etc.
• If a service technician is requested to give instructions on how to use product or simply adjusts
options without disassembling product.
• If a defect is caused by external environmental factors (Internet, Antenna, Wired Signal, etc.)
• If a product is reinstalled or devices are connected additionally after installing the purchased
product for the first time.
• If a product is reinstalled to move to a different spot or to move to a different house.
• If the customer requests instructions on how to use another company's product.
• If customer requests instructions on how to use the network or another company's Programme.
• If customer requests software installation and setup for the product.
• If a service technician removes/cleans dusts or foreign materials inside of the product.
• If customer requests an installation additionally after purchasing a product through home-
shopping or online.
A Product damage caused by customer's fault
Product damage caused by customer's mishandling or wrong repair
If a product damage is caused by;
• External impact or drop.
• Use of supplies or separately sold product unspecified by Samsung.
• Repair from a person besides an engineer of outsourcing service company or partner of Samsung
Electronics Co., Ltd.
• Remodeling or repairing the product by customer.
• Using it with incorrect voltage or non-authorised electrical connections.
• Not following the "cautions" in User Manual.
Others
• If product fails by natural disaster. (lightning, fire, earthquake, flood damage, etc)
• If consumable components are all used up. (Battery, Toner, Fluorescent lights, Head, Vibrator,
Lamp, Filter, Ribbon, etc.)
― If customer requests a service in case the product has no defect, service fee may be charged. So please
read User Manual first.
46
FreeSync
FreeSync technology is solution that eliminates screen tearing without all the usual lag and latency.
This feature will eliminate screen tearing and lag during game play. Improve your gaming experience.
The displayed FreeSync menu items on the monitor may vary, depending on the monitor model and
compatibility with the AMD graphics card.
• Off: Disable FreeSync.
• On: Turn on the AMD graphics cards' FreeSync function. You may experience intermittent flickers
when playing some games.
Apply the optimum resolution when using FreeSync.
The refresh rate setting method please refer to Q & A → How can I change the frequency?
― The FreeSync function is only enabled in HDMI or DisplayPort mode.
Use the HDMI/DP cable provided by the manufacturer when using FreeSync.
If you use the FreeSync function while playing a game, the following symptoms may occur:
• The screen may flicker depending on the type of graphics card, the game option settings, or the
video being played. Try the following actions: decrease the game setting values, change the
current FreeSync mode to Off, or visit the AMD website to check your graphics driver’s version and
update it with the latest one.
• While you are using the FreeSync function, the screen may flicker due to variation of the output
frequency from the graphics card.
• The response rate during the game may fluctuate depending on the resolution. A higher resolution
generally decreases the response rate.
• The sound quality of the monitor may be degraded.
― If you encounter any issues when using the function, contact the Samsung Service Center.
― If you change the screen resolution while the function is On, the screen may intermittently blank out due
to the graphic card. Set FreeSync to Off and change the resolution.
― The function is unavailable in the devices (e.g. AV devices) that have no AMD graphic card. If the function is
applied, the screen may have malfunction.
The models in the Graphics Cards list supports FreeSync
FreeSync can only be used with specific AMD graphics card models. Refer to the following list for
supported graphics cards:
Make sure to install the latest official graphics drivers from AMD that support FreeSync.
― For additional AMD graphics card models that support the FreeSync feature, visit the official AMD website.
― Select FreeSync Off if you are using a graphics card from a different manufacturer.
― When applying the FreeSync function via the HDMI cable, it may fail to work due to the bandwidth
limitation of certain AMD graphics card.
• Radeon™ RX Vega series
• Radeon™ RX 500 series
• Radeon™ RX 400 series
• Radeon™ R9/R7 300 series (excluding R9
370/X, R7 370/X, R7 265)
• Radeon™ Pro Duo (2016 edition)
• Radeon™ R9 Nano series
• Radeon™ R9 Fury series
• Radeon™ R9/R7 200 series (excluding R9
270/X, R9 280/X)
47