Dell™ S2740L Monitor
Information in this document is subject to change without notice.
© 2012 Dell Inc. All rights reserved.
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Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; Microsoft and Windows are either trademarks or registered trademarks of Microsoft
Corporation in the United States and/or other countries, Intel is a registered trademark of Intel Corporation in the U.S. and other countries; and ATI is a trademark of
Advanced Micro Devices, Inc. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has
determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims
any proprietary interest in trademarks and trade names other than its own.
Model S2740Lb
July 2012 Rev. A00
About Your Monitor
Dell™ S2740L Monitor User's Guide
Package Contents
Your monitor ships with the components shown below. Ensure that you have received all the components and contact Dell if something is missing.
NOTE: Some items may be optional and may not ship with your monitor. Some features or media may not be available in certain countries.
NOTE: To set up with any other stand, please refer to the respective stand setup guide for setup instructions.
Monitor
Stand Riser
Stand Base
Power Cable
Power Adapter
VGA Cable
DVI Cable (optional)
USB Upstream Cable (enables the USB ports on the monitor)
Drivers and Documentation media
Quick Setup Guide
Product and Safety Information Guide
Product Features
The Dell Professional S2740L flat panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include:
■ S2740L: 68.6 cm (27-inch) viewable area display (measured diagonally). 1920 x 1080 resolution, plus full-screen support for lower resolutions.
■ Wide viewing angle to allow viewing from a sitting or standing position, or while moving from side-to-side.
■ Tilt capability.
■ Removable stand and Video Electronics Standards Association (VESA™) 100 mm mounting holes for flexible mounting solutions.
■ Plug and play capability if supported by your system.
■ On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
■ Software and documentation media includes an Information File (INF), Image Color Matching File (ICM), Dell Display Manager software application and product documentation.
■ Energy Saver feature for Energy Star compliance.
■ Security lock slot.
■ Stand lock.
■ Capability to switch from wide aspect to standard aspect ratio while maintaining the image quality.
■ EPEAT silver Rating.
■ Dell Display Manager Software included (comes in the CD shipped with the monitor).
■ Arsenic-Free glass and Mercury-Free for the panel only.
■ High Dynamic Contrast Ratio (8,000,000:1).
■ 0.5 W standby power when in the sleep mode.
■ Energy Gauge shows the energy level being consumed by the monitor in real time.
Identifying Parts and Controls
Front View
Front panel controls
Label
Description
Function buttons (For more information, see Operating the
1
2
Power On/Off button (with LED indicator)
Back View
Back View with monitor stand
Label
Description
Use
VESA mounting holes (100 mm x 100 mm
- behind attached VESA Plate)
1
Wall mount monitor using VESA-compatible wall mount kit (100 mm x 100 mm).
2
3
4
5
6
Regulatory label
List the regulatory approvals.
Stand release button
Service tag label
Release stand from monitor.
Refer to this label to contact Dell for express service.
Refer to this label if you need to contact Dell for technical support.
Use to organize cables by placing them through the slot.
Barcode serial number label
Cable management slot
Side View
Bottom View
Bottom view without monitor stand
Use
Label
Description
Audio Line-out
1
2
3
4
5
Connect your speakers.*
HDMI connector
DVI connector
Connect your computer HDMI cable.
Connect your computer DVI cable.
Connect your computer VGA cable.
Connect the power cable.
VGA connector
DC power cord connector
Connect the USB cable that came with your monitor to the monitor and the
computer. Once this cable is connected, you can use the USB connectors on
6
USB upstream port
the monitor.
7
8
9
USB downstream port
Security lock slot
Connect your USB device.
Secure the monitor with a security cable lock.
Lock the stand to the monitor using M3 x 6 mm screw (screw is not provided).
Stand lock feature
*Headphone usage is not supported for the audio line out connector.
Monitor Specifications
Flat Panel Specifications
Model
S2740L
Screen type
Panel type
Active matrix - TFT LCD
IPS
Screen dimensions
Preset display area:
Horizontal
68.6 cm (27-inch diagonal viewable image size)
597.9 mm (23.54 inches)
336.3 mm (13.24 inches)
Vertical
Pixel pitch
0.311 mm
178° (vertical) typical
Viewing angle
178° (horizontal) typical
Panel 300 cd/m² (Typ.)
Luminance output
Contrast ratio
Monitor 270 cd/m² (Typ.)
1000 to 1 (typical)
8M to 1 (typical Dynamic Contrast On)
Glare with hard-coating 3H
Faceplate coating
Backlight
LED edgelight system
14 ms (typical)
7 ms (typical) with Overdrive
Response time
Color depth
Color gamut
16.7 million colors
CIE1976 (84%)*
*S2740L color gamut (typical) is based on CIE1976 (84%) and CIE1931 (72%) test standards.
Resolution Specifications
Model
S2740L
Horizontal scan range
Vertical scan range
Maximum preset resolution
30 kHz to 83 kHz (automatic)
56 Hz to 76 Hz (automatic)
1920 x 1080 at 60 Hz
Supported Video Modes
Model
S2740L
Video display capabilities (DVI & HDMI playback)
480p, 576p, 720p, 1080p
Preset Display Modes
S2740L
Horizontal Frequency
Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/Vertical)
Display Mode
(kHz)
VESA, 720 x 400
VESA, 640 x 480
VESA, 640 x 480
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1152 x 864
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1920 x 1080
31.5
31.5
37.5
37.9
46.9
48.4
60.0
67.5
64.0
80.0
67.5
70.1
60.0
75.0
60.3
75.0
60.0
75.0
75.0
60.0
75.0
60.0
28.3
25.2
-/+
-/-
31.5
-/-
40.0
+/+
+/+
-/-
49.5
65.0
78.8
+/+
+/+
+/+
+/+
+/+
108.0
108.0
135.0
148.5
Electrical Specifications
Model
S2740L
Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75 ohm input impedance
Digital DVI-D TMDS, 600 mV for each differential line, positive polarity at 50 ohm
input impedance
Video input signals
HDMI, 600mV for each differential line, 100 ohm input impedance per differential
pair
Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG (Composite
SYNC on green)
Synchronization input signals
Input
Delta adapter ADP-40DD B: 100 VAC to 240 VAC / 50 Hz to 60 Hz + 3 Hz / 1.5 A (Max.),
Lite-On adapter PA-1041-71: 100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz / 1.2 A (Max.)
AC/DC
voltage/frequency/current
adapter*
Output voltage/current
Output: 12 VDC / 3.33 A
120 V : 30 A (Max)
240 V : 60 A (Max)
Inrush current
*Qualified Compatible AC/DC adapters:
CAUTION: To avoid damage to the monitor, use only the adapter designed for this particular Dell monitor.
Manufacturer
Delta
Model
Polarity
ADP-40DD BA
Lite-On
PA-1041-71TP-LF
Physical Characteristics
Model
S2740L
Connector type
15-pin D-subminiature, blue connector; DVI-D, white connector; HDMI
Digital: attachable, DVI-D, solid pins, shipped detached from the monitor
Digital: HDMI
Analog: attachable, D-Sub, 15 pins, shipped detached from the monitor
Signal cable type
Dimensions (with stand)
Height
Width
Depth
458.7 mm (18.06 inches)
641.9 mm (25.27 inches)
215.8 mm (8.50 inches)
Dimensions (without stand)
Height
380.3 mm (14.97 inches)
641.9 mm (25.27 inches)
61.9 mm (2.44 inches)
Width
Depth
Stand dimensions
Height
313.2 mm (12.33 inches)
215.8 mm (8.50 inches)
215.8 mm (8.50 inches)
Width
Depth
Weight
Weight with packaging
Weight with stand assembly and cables
9.18 kg (20.24 lb)
7.56 kg (16.67 lb)
Weight without stand assembly
(For wall mount or VESA mount
considerations - no cables)
5.28 kg (11.62 lb)
Weight of stand assembly
Front frame gloss
1.65 kg (3.64 lb)
90~100 gloss unit
Environmental Characteristics
Model
S2740L
Temperature
Operating
0 °C to 40 °C
Storage: -20 °C to 60 °C (-4 °F to 140 °F)
Shipping: -20 °C to 60 °C (-4 °F to 140 °F)
Non-operating
Humidity
Operating
10% to 80% (non-condensing)
Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Non-operating
Altitude
Operating
5,000 m (16,404 ft) max
12,192 m (40,000 ft) max
Non-operating
119.43 BTU/hour (maximum)
71.66 BTU/hour (typical)
Thermal dissipation
Power Management Modes
If you have VESA's DPM™ compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This is referred to
as Power Save Mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning. The following table shows
the power consumption and signaling of this automatic power saving feature:
VESA Modes
Normal operation
Horizontal Sync
Active
Vertical Sync
Active
Video
Active
Power Indicator
White
Power Consumption
35 W (maximum) **
21 W (typical)
Active-off mode
Switch off
Inactive
-
Inactive
-
Blanked
-
Amber
Off
Less than 0.5 W
Less than 0.5 W
The OSD functions only in the normal operation mode. When any button is pressed in the Active-off mode, one of the following messages will be displayed:
Activate the computer and the monitor to gain access to the OSD.
®
NOTE: This monitor is ENERGY STAR -compliant.
*
Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor.
** Maximum power consumption with max luminance, and USB active.
Pin Assignments
VGA Connector
Pin
15-pin Side of the Connected Signal Cable
Number
1
2
Video-Red
Video-Green
Video-Blue
GND
3
4
5
Self-test
GND-R
6
7
GND-G
8
GND-B
9
Computer 5 V/3.3 V
GND-sync
GND
10
11
12
13
14
15
DDC data
H-sync
V-sync
DDC clock
DVI Connector
Pin
24-pin Side of the Connected Signal Cable
Number
1
2
3
4
5
TMDS RX2-
TMDS RX2+
TMDS Ground
Floating
Floating
6
DDC Clock
DDC Data
7
8
Floating
9
TMDS RX1-
TMDS RX1+
TMDS Ground
Floating
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Floating
+5 V/+3.3 V power
Self test
Hot Plug Detect
TMDS RX0-
TMDS RX0+
TMDS Ground
Floating
Floating
TMDS Ground
TMDS Clock+
TMDS Clock-
HDMI Connector
Pin
19-pin Side of the Connected Signal Cable
Number
1
2
TMDS DATA 2+
TMDS DATA 2 SHIELD
TMDS DATA 2-
3
4
TMDS DATA 1+
TMDS DATA 1 SHIELD
TMDS DATA 1-
5
6
7
TMDS DATA 0+
TMDS DATA 0 SHIELD
TMDS DATA 0-
8
9
10
11
12
13
14
15
16
17
18
19
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved (N.C. on device)
DDC CLOCK (SCL)
DDC DATA (SDA)
DDC/CEC Ground
+5V POWER
HOT PLUG DETECT
Plug and Play Capability
You can install the monitor in any Plug and Play-compatible system. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID)
using Display Data Channel (DDC) protocols so the system can configure itself and optimize the monitor settings. Most monitor installations are automatic; you can select different
settings if desired. For more information about changing the monitor settings, see Operating the Monitor.
Universal Serial Bus (USB) Interface
This section gives you information about the USB ports that are available on the monitor.
NOTE: This monitor supports High-Speed Certified USB 2.0 interface.
Transfer Speed
Data
Power Consumption
Rate
High speed
Full speed
Low speed
480 Mbps
12 Mbps
1.5 Mbps
2.5 W (Max, each port)
2.5 W (Max, each port)
2.5 W (Max, each port)
USB Upstream Connector
Pin Number 4-pin Side of the Connector
1
DMU
VCC
DPU
GND
2
3
4
USB Downstream Connector
Pin Number
4-Pin Side of the Signal Cable
1
VCC
DMD
DPD
GND
2
3
4
USB Ports
1 upstream - back
2 downstream - back
NOTE: USB 2.0 functionality requires a USB 2.0-capable computer.
NOTE: The monitor's USB interface works only when the monitor is On or in the power save mode. If you turn Off the monitor and then turn it On, the attached peripherals may
take a few seconds to resume normal functionality.
LCD Monitor Quality and Pixel Policy
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the
display quality or usability. For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: support.dell.com.
Maintenance Guidelines
Cleaning Your Monitor
WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet.
For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor:
To clean your anti-static screen, lightly dampen a soft, clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the anti-static coating.
Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air.
Use a lightly-dampened, warm cloth to clean the monitor. Avoid using detergent of any kind as some detergents leave a milky film on the monitor.
If you notice white powder when you unpack your monitor, wipe it off with a cloth.
Handle your monitor with care as a darker-colored monitor may get scratched and show white scuff marks more than a lighter-colored monitor.
To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.
Setting Up the Monitor
Dell™ S2740L Monitor User's Guide
Attaching the Stand
NOTE: The stand riser and stand base are detached when the monitor is shipped from the factory.
1. Assemble the stand riser to stand base.
a. Attach the stand riser to the stand base.
b. Tighten the thumbscrew below the stand base.
2. Attach the stand assembly to the monitor.
a. Place the monitor on a soft cloth or cushion near the edge of desk.
b. Fit the two tabs on the upper part of the stand to the groove on the back of the monitor.
c. Press the stand till it snaps into place.
Connecting Your Monitor
To connect your monitor to the computer:
1. Turn off your computer and disconnect the power cable.
Connect the blue (VGA) cable from your monitor to the computer.
NOTE: If your computer supports a DVI/HDMI connector, connect the DVI/HDMI cable to the monitor and the DVI/HDMI connector to
your computer. The HDMI cable can be purchased separately.
NOTE: Do not connect all cables to the computer at the same time.
2. Connect either the DVI, the HDMI, or the VGA display connector cable to the corresponding video port on the back of your computer. Do not connect all cables
on the same computer. Use all cables only when they are connected to different computers with appropriate video systems.
Connecting the white DVI cable
Connecting the blue VGA cable
Connecting the HDMI cable
CAUTION: The graphics are used for the purpose of illustration only. Appearance of the computer may vary.
Connecting the USB cable
After you have completed connecting the DVI/VGA/HDMI cable, follow the procedures below to connect the USB cable to the computer and complete your monitor
setup:
1. Connect the upstream USB port (cable supplied) to an appropriate USB port on your computer. (See bottom view for details.)
2. Connect the USB peripherals to the downstream USB ports on the monitor.
3. Plug the power cables for your computer and monitor into a nearby outlet.
4. Turn on the monitor and the computer.
If your monitor displays an image, installation is complete. If it does not display an image, see Solving Problems.
5. Use the cable slot on the monitor stand to organize the cables.
Organizing Your Cables
After attaching all necessary cables to your monitor and computer, (See Connecting Your Monitor for cable attachment,) organize all cables as shown above.
Removing the Monitor Stand
NOTE: To prevent scratches on the LCD screen while removing the stand, ensure that the monitor is placed on a soft, clean surface.
NOTE: This is applicable for a monitor with a stand. When any other stand is bought, please refer to the respective stand setup guide for the set-up
instructions.
Refer to the instructions that come with the VESA-compatible wall mounting kit.
1. Place the monitor panel on a soft cloth or cushion on a stable, flat table.
2. Remove the stand.
3. Use a Philips crosshead screwdriver to remove the four screws securing the plastic cover.
4. Attach the mounting bracket from the wall mounting kit to the monitor.
5. Mount the monitor on the wall by following the instructions that comes with the wall mounting kit.
NOTE: For use only with UL-listed wall mount bracket with minimum weight/load bearing capacity of 5.88 kg.
Operating the Monitor
Dell™ S2740L Monitor User's Guide
Power On the Monitor
Press the
button to turn on the monitor
Using the Front Panel Controls
Use the control buttons on the front of the monitor to adjust the characteristics of the image being displayed. As you use these buttons to adjust the controls, an OSD shows the numeric values of the
characteristics as they change.
The following table describes the front panel buttons:
Front Panel Button
Description
1
2
Use this button to choose from a list of preset color modes.
Shortcut key/
Preset Modes
Use this button to directly access the "Brightness/Contrast" menu.
Shortcut key/
Brightness/Contrast
3
4
Use the MENU button to launch the On-Screen Display (OSD) and select the OSD Menu. See Accessing the Menu System.
Menu
Exit
Use this button to go back to the main menu or exit the OSD main menu.
Use the Power button to turn the monitor On and Off.
5
The white light indicates the monitor is On and fully functional. An amber light indicates the power save mode.
Power
(with power light
indicator)
Front Panel Button
Use the buttons on the front of the monitor to adjust the image settings.
Front Panel Button
Description
1
2
Use the Up button to adjust (increase ranges) items in the OSD menu.
Use the Down button to adjust (decrease ranges) items in the OSD menu.
Up
Down
3
4
Use the OK button to confirm your selection.
OK
Use the Back button to go back to the previous menu.
Back
Using the On-Screen Display (OSD) Menu
Accessing the Menu System
NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes. The changes are also saved if you change the settings and
then wait for the OSD menu to disappear.
1. Press the
button to launch the OSD menu and display the main menu.
Main Menu for analog (VGA) input
or
Main Menu for digital (DVI) input
or
Main Menu for digital (HDMI) input
NOTE: Auto Adjust is only available when you use the analog (VGA) connector.
2.Press the
and
buttons to move between the setting options. As you move from one icon to another, the option name is highlighted. See the following table for a complete list of all the options
available for the monitor.
3.Press the
button once to activate the highlighted option.
4.Press
and
button to select the desired parameter.
5. Press
to enter the slide bar and then use the
button to return to the main menu.
and
buttons, according to the indicators on the menu, to make your changes.
6.Select the
Icon
Menu and
Submenus
Brightness/Contrast Use this menu to activate Brightness/Contrast adjustment.
Description
Brightness
Brightness adjusts the luminance of the backlight.
Press the button to increase the brightness and press the
button to decrease the brightness (min 0 / max 100).
NOTE: Manual adjustment of Brightness is disabled when Energy Smart or Dynamic Contrast is switched On.
Contrast
Adjust the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
Press the
button to increase the contrast and press the
button to decrease the contrast (min 0 / max 100).
The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen.
Auto Adjust
Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes the display settings for use with your particular setup.
Auto Adjustment allows the monitor to self-adjust to the incoming video signal. After using Auto Adjustment, you can further tune your monitor by using the Pixel Clock
(Coarse) and Phase (Fine) controls under Display Settings.
NOTE: In most cases, Auto Adjust produces the best image for your configuration.
NOTE: Auto Adjust option is only available when you are using the analog (VGA) connector.
Input Source
Use the Input Source menu to select between the different video signals that may be connected to your monitor.
Auto Select
VGA
Press
to select Auto Select, the monitor scans for available input sources.
Select the VGA input when you are using the analog (VGA) connector. Press
to select the VGA input source.
to select the DVI input source.
to select the HDMI input source.
DVI-D
Select the DVI-D input when you are using the Digital (DVI) connector. Press
HDMI
Select the HDMI input when you are using the HDMI connector. Press
Color Settings
Use Color Settings to adjust the color setting mode.
Input Color Format Allows you to set the video input mode to:
RGB: Select this option if your monitor is connected to a computer or DVD player using the VGA and DVI cable.
YPbPr: Select this option if your monitor is connected to a DVD player by YPbPr to VGA, or YPbPr to DVI cable; or if the DVD color output setting is not RGB.
Preset Modes
When you select Preset Modes, you can choose Standard, Multimedia, Movie, Game, Text, Warm, Cool or Custom Color from the list.
Standard: Loads the monitor's default color settings. This is the default preset mode.
Multimedia: Loads color settings ideal for multimedia applications.
Movie: Loads color settings ideal for movies.
Game: Loads color settings ideal for most gaming applications.
Text: Loads brightness and sharpness settings ideal for viewing texts.
Warm: Increase the color temperature. The screen appears warmer with a red/yellow tint.
Cool: Decreases the color temperature. The screen appears cooler with a blue tint.
Custom Color: Allows you to manually adjust the color settings. Press the
and
buttons to adjust the three colors (R, G, B) values and create your own
preset color mode.
Hue
This feature can shift the color of the video image to green or purple. This is used to adjust the desired flesh tone color. Use
or
to adjust the hue from '0' to '100'.
Press
Press
to increase the green shade of the video image.
to increase the purple shade of the video image.
NOTE:: Hue adjustment is available only when you select Movie or Game preset mode.
This feature can adjust the color saturation of the video image. Use or to adjust the saturation from '0' to '100'.
Saturation
Press
Press
to increase the monochrome appearance of the video image.
to increase the colorful appearance of the video image.
NOTE: Saturation adjustment is available only when you select Movie or Game preset mode.
Demo Mode
Splits the screen into two for viewing the images under the normal and enhanced Movie preset mode side by side.
You can also press
and
simultaneously to enable/disable this mode.
NOTE: Demo mode is available only when you select Movie preset mode.
Image Enhance
Makes upsized images higher quality by removing image fading and roughness of edge.
NOTE: Image Enhance is available only when you select Standard, Multimedia, Movie, or Game preset mode.
Reset Color Setting Reset your monitor color settings to the factory settings.
s
Display Settings
Use the Display Settings to adjust image.
Aspect Ratio
Adjusts the image ratio to Wide 16:9, 4:3, or 5:4.
Horizontal Position
Use
Use
or
or
to adjust the image left or right. Minimum is '0' (-). Maximum is '100' (+).
to adjust the image up or down. Minimum is '0' (-). Maximum is '100' (+).
Vertical Position
NOTE: Horizontal Position and Vertical Position adjustments are only available for "VGA" input.
Sharpness
Pixel Clock
This feature can make the image look sharper or softer. Use
or
to adjust the sharpness from '0' to '100'.
The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference.
Use
or
to adjust for best image quality.
Phase
If satisfactory results are not obtained using the Phase adjustment, use the Pixel Clock (coarse) adjustment and then use Phase (fine), again.
NOTE: Pixel Clock and Phase adjustments are only available for "VGA" input.
Dynamic Contrast
Allows you to increase the level of contrast to provide sharper and more detailed image quality.
Press the
button to select the Dynamic Contrast "On" or "Off" .
NOTE: Dynamic Contrast provides higher contrast if you select Game or Movie preset mode.
Reset Display
Settings
Select this option to restore default display settings.
Other Settings
Select this option to adjust the settings of the OSD, such as, the languages of the OSD, the amount of time the menu remains on screen, and so on.
Language
Language options set the OSD display to one of the eight languages (English, Spanish, French, German, Simplified Chinese or Japanese).
Menu Transparency
Select this option to change the menu transparency by pressing the
and
buttons (Minimum: 0 ~ Maximum: 100).
Menu Timer
Menu Lock
OSD Hold Time: sets the length of time the OSD will remain active after the last time you pressed a button.
Use
or
to adjust the slider in 1 second increments, from 5 to 60 seconds.
Controls user access to adjustments. When Lock is selected, no user adjustments are allowed. All buttons are locked.
NOTE:
Lock function – Either soft lock (through the OSD menu) or hard lock (press and hold the button above the power button for 10 seconds)
Unlock function– Only hard unlock (press and hold the button above the power button for 10 seconds)
Energy Smart
DDC/CI
To turn on or off dynamic dimming.
The dynamic dimming feature automatically reduces the screen's brightness level when the displayed image contains a high proportion of bright areas.
DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via the software on your computer.
You can disable this feature by selecting "Disable".
Enable this feature for best user experience and optimum performance of your monitor.
LCD Conditioning
Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting
"Enable".
Factory Reset
Personalize
Reset all OSD settings to the factory preset values.
Users can choose a feature from "Preset Modes", "Brightness/Contrast", "Auto Adjust", "Input Source", or "Aspect Ratio" and set it as a shortcut key.
NOTE: This monitor has a built-in feature to automatically calibrate the brightness to compensate for LED aging.
OSD Warning Messages
When the Energy Smart or Dynamic Contrast feature is enabled (in these preset modes: Game or Movie), the manual brightness adjustment is disabled.
When the monitor does not support a particular resolution mode, you will see the following message:
This means that the monitor cannot synchronize with the signal that it is receiving from the computer. See Monitor Specifications for the Horizontal and Vertical frequency ranges
addressable by this monitor. Recommended mode is 1920 x 1080.
You will see the following message before the DDC/CI function is disabled:
When the monitor enters the Power Save mode, the following message appears:
If you press any button other than the power button, one of the following messages will appear depending on the selected input:
VGA/DVI-D/HDMI input
If either VGA, DVI-D, or HDMI input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears.
or
or
It is recommended that you use the supplied power adapter. If not, you will see the message as shown below.
Setting the Maximum Resolution
To set the maximum resolution for the monitor:
®
®
®
Windows Vista , Windows 7, Windows 8:
®
1. For Windows 8 only, select the Desktop tile to switch to classic desktop.
2. Right-click on the desktop and click Screen Resolution.
3. Click the Dropdown list of the Screen Resolution and select 1920 x 1080.
4. Click OK.
If you do not see 1920 x 1080 as an option, you may need to update your graphics driver. Depending on your computer, complete one of the following procedures:
If you have a Dell desktop or portable computer:
Go to support.dell.com, enter your service tag, and download the latest driver for your graphics card.
If you are using a non-Dell computer (portable or desktop):
Go to the support site for your computer and download the latest graphic drivers.
Go to your graphics card website and download the latest graphic drivers.
Using the Tilt
NOTE: This is applicable for a monitor with a stand. When any other stand is bought, please refer to the respective stand setup guide for set up instructions.
Tilt
With the stand attached to the monitor, you can tilt the monitor for the most comfortable viewing angle.
NOTE: The stand is detached when the monitor is shipped from the factory.
Troubleshooting
Dell™ S2740L Monitor User's Guide
Self-Test
Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the
monitor self-test by performing the following steps:
1. Turn off both your computer and the monitor.
2. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove all Digital (white connector) and the Analog (blue connector) cables from the back of computer.
3. Turn on the monitor.
The floating dialog box should appear on-screen (against a black background), if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains white. Also,
depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen.
or
or
4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged.
5. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly.
Built-in Diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card.
NOTE: You can run the built-in diagnostics only when the video cable is unplugged and the monitor is in self-test mode.
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the screen).
2. Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the self-test mode.
3. Press and hold Button 1 and Button 4 on the front panel simultaneously for 2 seconds. A gray screen appears.
4. Carefully inspect the screen for abnormalities.
5. Press Button 4 on the front panel again. The color of the screen changes to red.
6. Inspect the display for any abnormalities.
7. Repeat steps 5 and 6 to inspect the display in green, blue, black, white and text screens.
The test is complete when the text screen appears. To exit, press Button 4 again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.
In-Store Demo
To enter InStore OSD Mode
Detach/Disconnect all cables. Make sure the monitor is in “On” mode. Press and hold Button 2 and Button 4 for 5 seconds.
To exit InStore OSD Mode
Press the power button once. If power is cut off during demo, resume the demo after power is restored.
Common Problems
The following table contains general information about common monitor problems you might encounter and the possible solutions:
Common Symptoms
No Video/Power LED off
What You Experience
No picture
Possible Solutions
Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
Verify that the power outlet is functioning properly using any other electrical equipment.
Ensure that the power button is depressed fully.
No Video/Power LED on
No picture or no brightness
Increase brightness & contrast controls via OSD.
Perform monitor self-test feature check.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
Poor Focus
Picture is fuzzy, blurry, or ghosting
Wavy picture or fine movement
Perform Auto Adjust via OSD.
Adjust the Phase and Pixel Clock controls via OSD.
Eliminate video extension cables.
Reset the monitor to Factory Settings.
Change the video resolution to the correct aspect ratio (16:9).
Shaky/Jittery Video
Perform Auto Adjust via OSD.
Adjust the Phase and Pixel Clock controls via OSD.
Reset the monitor to Factory Settings.
Check environmental factors.
Relocate the monitor and test in another room.
Missing Pixels
LCD screen has spots
Cycle power on-off.
Pixel that is permanently off is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: support.dell.com.
Stuck-on Pixels
LCD screen has bright spots
Picture too dim or too bright
Screen not centered correctly
Cycle power on-off.
Pixel that is permanently off is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: support.dell.com.
Brightness Problems
Geometric Distortion
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust horizontal & vertical controls via OSD.
NOTE: When using DVI-D/HDMI input, the positioning adjustments are not available.
Horizontal/Vertical Lines
Synchronization Problems
Screen has one or more lines
Reset the monitor to Factory Settings.
Perform Auto Adjust via OSD.
Adjust Phase and Pixel Clock controls via OSD.
Perform monitor self-test feature check and determine if these lines are also in self-test mode.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
NOTE: When using DVI-D/HDMI input, the Pixel Clock and Phase adjustments are not available.
Screen is scrambled or appears torn
Reset the monitor to Factory Settings.
Perform Auto Adjust via OSD.
Adjust Phase and Pixel Clock controls via OSD.
Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode.
Check for bent or broken pins in the video cable connector.
Restart the computer in the safe mode.
Safety Related Issues
Intermittent Problems
Visible signs of smoke or sparks
Monitor malfunctions on & off
Do not perform any troubleshooting steps.
Contact Dell immediately.
Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
Reset the monitor to Factory Settings.
Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode.
Missing Color
Wrong Color
Picture missing color
Picture color not good
Perform monitor self-test feature check.
Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
Check for bent or broken pins in the video cable connector.
Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application.
Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the Color Management
is turned off.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Run the built-in diagnostics.
Image retention from a static image left on Faint shadow from the static image
the monitor for a long period of time displayed appears on the screen
Use the Power Management feature to turn off the monitor at all times when not in use (for more information, see Power
Alternatively, use a dynamically changing screensaver.
Product Specific Problems
Specific Symptoms
Screen image is too small
What You Experience
Image is centered on screen, but does not
fill entire viewing area
Possible Solutions
Check the Scaling Ratio setting in the Image Setting OSD.
Reset the monitor to Factory Settings.
Cannot adjust the monitor with the buttons OSD does not appear on the screen
on the front panel
Turn off the monitor, unplug the power cord, plug it back, and then turn on the monitor.
Check whether the OSD menu is locked. If yes, press and hold the button above the Power button for 10 seconds to unlock
No Input Signal when user controls are
pressed
Check the signal source. Ensure the Computer is not in the power saving mode by moving the mouse or pressing any key on
the keyboard.
Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary.
Reset the computer or video player.
No picture, the LED light is blue.
The picture does not fill the entire screen. The picture cannot fill the height or width
of the screen
Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
Run the built-in diagnostics.
NOTE: When choosing DVI-D mode, the Auto Adjust function will not be available.
Universal Serial Bus (USB) Specific Problems
Specific Symptoms
What You Experience
Possible Solutions
USB interface is not working
USB peripherals are not working
Check that your monitor is turned ON.
Reconnect the upstream cable to your computer.
Reconnect the USB peripherals (downstream connector).
Switch off and then turn on the monitor again.
Reboot the computer.
Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer
system.
High Speed USB 2.0 interface is slow.
High Speed USB 2.0 peripherals working
slowly or not working at all
Check that your computer is USB 2.0-capable.
Some computers have both USB 2.0 and USB 1.1 ports. Ensure that the correct USB port is used.
Reconnect the upstream cable to your computer.
Reconnect the USB peripherals (downstream connector).
Reboot the computer.
Appendix
Dell™ S2740L Monitor User's Guide
WARNING: Safety Instructions
WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical
hazards, and/or mechanical hazards.
For information on safety instructions, see the Product Information Guide.
FCC Notices (U.S. Only) and Other Regulatory Information
For FCC notices and other regulatory information, see the regulatory compliance website located at www.dell.com\regulatory_compliance.
Contacting Dell
For customers in the United States, call 800-WWW-DELL (800-999-3355).
NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be
available in your area. To contact Dell for sales, technical support, or customer service issues:
1. Visit support.dell.com.
2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom of the page.
3. Click Contact Us on the left side of the page.
4. Select the appropriate service or support link based on your need.
5. Choose the method of contacting Dell that is convenient for you.
Setting Up Your Monitor
Dell™ S2740L Monitor User's Guide
Setting the display resolution
®
®
For maximum display performance with Microsoft Windows operating systems, set the display resolution to 1920 x 1080 pixels by performing the following
steps:
®
®
®
In Windows Vista , Windows 7, Windows 8:
®
1. For Windows 8 only, select the Desktop tile to switch to classic desktop.
2. Right-click on the desktop and click Screen Resolution.
3. Click the Dropdown list of the Screen Resolution and select 1920 x 1080.
4. Click OK.
If you do not see the recommended resolution as an option, you may need to update your graphics driver. Please choose the scenario below that best describes the
computer system you are using, and follow the given steps.
Setting Up Your Monitor
Dell™ S2740L Monitor User's Guide
If you have a Dell™ desktop or a Dell™ portable computer with internet access
1. Go to http://support.dell.com, enter your service tag, and download the latest driver for your graphics card.
2. After installing the drivers for your graphics adapter, attempt to set the resolution to 1920 x 1080 again.
NOTE: If you are unable to set the resolution to 1920 x 1080, please contact Dell™ to inquire about a graphics adapter that supports these resolutions.
Setting Up Your Monitor
Dell™ S2740L Monitor User's Guide
If you have a non Dell™ desktop, portable computer, or graphics card
®
®
®
In Windows Vista , Windows 7, Windows 8:
®
1. For Windows 8 only, select the Desktop tile to switch to classic desktop.
2. Right-click on the desktop and click Personalization.
3. Click Change Display Settings.
4. Click Advanced Settings.
5. Identify your graphics controller supplier from the description at the top of the window (e.g. NVIDIA, ATI, Intel etc.).
6. Refer to the graphic card provider website for updated driver (for example, http://www.ATI.com OR http://www.NVIDIA.com ).
7. After installing the drivers for your graphics adapter, attempt to set the resolution to 1920 x 1080 again.
NOTE: If you are unable to set the recommended resolution, please contact the manufacturer of your computer or consider purchasing a graphics adapter that
will support the video resolution.
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