Dell S2740L User manual

Dell™ S2740L Monitor
User's Guide
Setting the display resolution
Information in this document is subject to change without notice.
© 2012 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
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

Dell™ S2740L Monitor User's Guide
About Your Monitor
Setting Up the Monitor
Operating the Monitor
Troubleshooting
Appendix
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2012 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
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

Back to Contents Page
About Your Monitor
Dell™ S2740L Monitor User's Guide
Package Contents
Product Features
Identifying Parts and Controls
Monitor Specifications
Plug and Play Capability
Universal Serial Bus (USB) Interface
LCD Monitor Quality and Pixel Policy
Maintenance Guidelines
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 anyother 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
1Function buttons (For more information, see Operating the
Monitor)
2Power On/Off button (with LED indicator)

Back View
Back View with monitor stand
Label Description Use
1VESA mounting holes (100 mm x 100 mm
- behind attached VESA Plate)Wall mount monitor using VESA-compatible wall mount kit (100 mm x 100 mm).
2Regulatory label List the regulatory approvals.
3Stand release button Release stand from monitor.
4Service tag label Refer to this label to contact Dell for express service.
5Barcode serial number label Refer to this label if you need to contact Dell for technical support.
6Cable management slot Use to organize cables by placing them through the slot.

Side View
Bottom View
Bottom view without monitor stand
Label Description Use
1Audio Line-out Connect your speakers.*
2HDMI connector Connect your computer HDMI cable.
3DVI connector Connect your computer DVI cable.
4VGA connector Connect your computer VGA cable.
5DC power cord connector Connect the power cable.
6USB upstream port 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

the monitor.
7USB downstream port Connect your USB device.
8Security lock slot Secure the monitor with a security cable lock.
9Stand lock feature Lock the stand to the monitor using M3 x 6 mm screw (screw is not provided).
*Headphone usage is not supported for the audio line out connector.
Monitor Specifications
Flat Panel Specifications
Model S2740L
Screen type Active matrix - TFT LCD
Panel type IPS
Screen dimensions 68.6 cm (27-inch diagonal viewable image size)
Preset display area:
Horizontal
Vertical
597.9 mm (23.54 inches)
336.3 mm (13.24 inches)
Pixel pitch 0.311 mm
Viewing angle 178° (vertical) typical
178° (horizontal) typical
Luminance output Panel 300 cd/m² (Typ.)
Monitor 270 cd/m² (Typ.)
Contrast ratio 1000 to 1 (typical)
8M to 1 (typical Dynamic Contrast On)
Faceplate coating Glare with hard-coating 3H
Backlight LED edgelight system
Response time 14 ms (typical)
7 ms (typical) with Overdrive
Color depth 16.7 million colors
Color gamut CIE1976 (84%)*
*S2740L color gamut (typical) is based on CIE1976 (84%) and CIE1931 (72%) test standards.

Resolution Specifications
Model S2740L
Horizontal scan range 30 kHz to 83 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic)
Maximum preset resolution 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
Display Mode Horizontal Frequency
(kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/Vertical)
VESA, 720 x 400 31.5 70.1 28.3 -/+
VESA, 640 x 480 31.5 60.0 25.2 -/-
VESA, 640 x 480 37.5 75.0 31.5 -/-
VESA, 800 x 600 37.9 60.3 40.0 +/+
VESA, 800 x 600 46.9 75.0 49.5 +/+
VESA, 1024 x 768 48.4 60.0 65.0 -/-
VESA, 1024 x 768 60.0 75.0 78.8 +/+
VESA, 1152 x 864 67.5 75.0 108.0 +/+
VESA, 1280 x 1024 64.0 60.0 108.0 +/+
VESA, 1280 x 1024 80.0 75.0 135.0 +/+
VESA, 1920 x 1080 67.5 60.0 148.5 +/+

Electrical Specifications
Model S2740L
Video input signals
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
HDMI, 600mV for each differential line, 100 ohm input impedance per differential
pair
Synchronization input signals Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG (Composite
SYNC on green)
AC/DC
adapter*
Input
voltage/frequency/current 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.)
Output voltage/current Output: 12 VDC / 3.33 A
Inrush current 120 V : 30 A (Max)
240 V : 60 A (Max)
*Qualified Compatible AC/DC adapters:
CAUTION: To avoid damage to the monitor, use only the adapter designed for this particular Dell monitor.
Manufacturer Model Polarity
Delta 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
Signal cable type
Digital: attachable, DVI-D, solid pins, shipped detached from the monitor
Digital: HDMI
Analog: attachable, D-Sub, 15 pins, shipped detached from the monitor
Dimensions (with stand)
Height 458.7 mm (18.06 inches)
Width 641.9 mm (25.27 inches)
Depth 215.8 mm (8.50 inches)

Dimensions (without stand)
Height 380.3 mm (14.97 inches)
Width 641.9 mm (25.27 inches)
Depth 61.9 mm (2.44 inches)
Stand dimensions
Height 313.2 mm (12.33 inches)
Width 215.8 mm (8.50 inches)
Depth 215.8 mm (8.50 inches)
Weight
Weight with packaging 9.18 kg (20.24 lb)
Weight with stand assembly and cables 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 1.65 kg (3.64 lb)
Front frame gloss 90~100 gloss unit
Environmental Characteristics
Model S2740L
Temperature
Operating 0 °C to 40 °C
Non-operating Storage: -20 °C to 60 °C (-4 °F to 140 °F)
Shipping: -20 °C to 60 °C (-4 °F to 140 °F)
Humidity
Operating 10% to 80% (non-condensing)
Non-operating Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Altitude
Operating 5,000 m (16,404 ft) max
Non-operating 12,192 m (40,000 ft) max

Thermal dissipation 119.43 BTU/hour (maximum)
71.66 BTU/hour (typical)
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 Horizontal Sync Vertical Sync Video Power Indicator Power Consumption
Normal operation Active Active Active White 35 W (maximum) **
21 W (typical)
Active-off mode Inactive Inactive Blanked Amber Less than 0.5 W
Switch off - - - Off 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
Number 15-pin Side of the Connected Signal Cable
1Video-Red
2 Video-Green
3 Video-Blue
4 GND
5 Self-test
6 GND-R
7 GND-G
8 GND-B
9Computer 5 V/3.3 V
10 GND-sync
11 GND
12 DDC data
13 H-sync
14 V-sync
15 DDC clock
DVI Connector
Pin 24-pin Side of the Connected Signal Cable

Number
1TMDS RX2-
2TMDS RX2+
3TMDS Ground
4 Floating
5 Floating
6DDC Clock
7DDC Data
8 Floating
9TMDS RX1-
10 TMDS RX1+
11 TMDS Ground
12 Floating
13 Floating
14 +5 V/+3.3 V power
15 Self test
16 Hot Plug Detect
17 TMDS RX0-
18 TMDS RX0+
19 TMDS Ground
20 Floating
21 Floating
22 TMDS Ground
23 TMDS Clock+
24 TMDS Clock-
HDMI Connector
Pin 19-pin Side of the Connected Signal Cable

Number
1TMDS DATA 2+
2TMDS DATA 2 SHIELD
3TMDS DATA 2-
4TMDS DATA 1+
5TMDS DATA 1 SHIELD
6TMDS DATA 1-
7TMDS DATA 0+
8TMDS DATA 0 SHIELD
9TMDS DATA 0-
10 TMDS CLOCK+
11 TMDS CLOCK SHIELD
12 TMDS CLOCK-
13 CEC
14 Reserved (N.C. on device)
15 DDC CLOCK (SCL)
16 DDC DATA (SDA)
17 DDC/CEC Ground
18 +5V POWER
19 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 480 Mbps 2.5 W (Max, each port)
Full speed 12 Mbps 2.5 W (Max, each port)
Low speed 1.5 Mbps 2.5 W (Max, each port)
USB Upstream Connector
Pin Number 4-pin Side of the Connector
1DMU
2 VCC
3DPU
4GND
USB Downstream Connector
Pin Number 4-Pin Side of the Signal Cable
1VCC
2DMD
3DPD
4GND

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
CAUTION: Read and follow the safety instructions before cleaning the 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.
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Back to Contents Page
Setting Up the Monitor
Dell™ S2740L Monitor User's Guide
Attaching the Stand
Connecting the Monitor
Organizing Your Cables
Removing the Monitor Stand
Wall Mounting (Optional)
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
WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions.
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.