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      ThinkVision L2440x 24-inch Wide Flat Panel LCD Monitor - Overview

      ThinkVision L2440x 24-inch Wide Monitor (4421)

      ThinkVision L2440x 24-inch Wide Monitor (4421)
      Machine Type - Models: 4421-HB2

      Features and specifications
      LCD size and type24.0-inch (610 mm) LCD
      Viewable image size24.0-inch / 610 mm
      Maximum viewable area518.4 x 324.0 mm
      Native Resolution1920 x 1200
      Video inputVGA Analog, DVI-D Digital, DisplayPort
      Contrast ratio (typical)1000 : 1
      Brightness (typical)300 cd/m2
      Colors> 16.7 million
      Viewing angle (typical)Horizontal: 170 degrees (at 10:1 contrast ratio)
       Vertical: 160 degrees (at 10:1 contrast ratio)
      Cell response time (typical)5 ms(typical)
      RGB vertical stripe pixel pitch0.270 mm
      VGA Analog video cable2.2 m
      DVI Digital video cable2.2 m
      DisplayPort cable2.2 m
      USB cable2.2 m
      SYNC TypeComposite/Separate TTL
      SYNC on GreenNo
      USB input1
      USB output4
      Bezel width (Side)19.9 mm
      Tilt0 degrees forward
      30 degrees backward
      Swivel+/- 45 degrees
      Height adjustment110 mm
      PivotYes (graphic card dependent)
      Soundbar AttachmentOptional ThinkVision Soundbar
      Kensington Security Lock Slot (
      User controlsDigital
      Lockable controlsYes
      OSD languages8
      Factory-preset display modes27
      User defined display modes20es
      VESA DDC capable2B/CI
      ISO 13406-Part 2 capableYes
      Power management capableYes - VESA DPMS
      Power supplyUniversal Voltage (100 to 240 VAC)
      Power cord - detached1.8 meter
      JEIDA complianceYes
      FCC B complianceYes
      MPR-2 Emission complianceYes
      MPR-3 Emission complianceYes
      TCO'03 Environmental LabelYes
      EU Directive 2002/95/EC (RoHS)Yes
      EU Directive 2002/96/EC (WEEE)Yes

      Physical specifications
      Width22.03-inch (559.6 mm)25.83-inch (656 mm)
      Depth10.13-inch (257.3 mm)18.50-inch (470 mm)
      Height15.54-inch (394.8 mm)10.39-inch (264 mm)
      Weight17.16 lb (7.78 kg)24.10 lb (10.93 kg)

      Power requirements
      • Input voltage: 100 to 240 V ac +/- 10%
      • Frequency: 50/60 Hz +/-3 Hz
      • Power consumption:
        • Maximum: < 45 watts
        • Typical: < 29 watts typical*
        • Standby: <1 watts
        • Suspend: <1 watts
        • Off: < 0.5 watts
        • Maximum earth leakage current:
          • < 3.5 mA at 264 Vac
          • < 0.25 mA at 100 Vac

      * Typical power consumption is tested EPA4.1 standard.

      Ambient temperature and relative humidity
      ParameterTemperatureRelative humidityAltitude
      Operating0 to 45 deg.C10 to 80 %0 to 3,657 m
      Shipping-20 to 60 deg. C5 to 95 %0 to 10,668 m
      Storage-20 to 60 deg. C5 to 95 %0 to 3,657 m


      Declared acoustical noise emissions LWAU = 4.5 bels or less. The noise emission level stated is the declared (upper limit) A-weighted sound power level, in bels, for a random sample of monitors. All measurements are made in accordance with ANSI S12.10 and reported in conformance with ISO/DIS 7779.

      • One monitor
      • Attached lift, tilt, swivel, pivot, and height adjustable stand
      • Detached 2.2-meter (7.2-feet) analog video signal cable (15-pin D to 15-pin D)
      • Attached 2.2 meter (7.2-feet) digital (DVI-D to DVI-D) cable
      • Attached 2.2 meter (7.2-feet) DisplayPort cable
      • Detached 2.2-meter (7.2-feet) USB cable
      • Power cord
      • A 3 -> 2 pin AC adapter (Japan only)
      • A Japanese proof of purchase card (Japan only)
      • A CD containing multilingual user's guide, setup test pattern, and Windows installation file
      • Setup poster
      • Safety, troubleshooting, and warranty information

      Note: With the exception of the models for U.S., Canada, and Japan, the power cords (based on the country order code) are supplied by distribution centers.


      Three years - Customer Carry-in or Mail-in using Rapid Replacement Service

      • Announce date: 17 Sep 2008 (Worldwide)
      • Planned availability date: 31 Oct 2008 (Worldwide)

      Hardware compatibility

      The display is intended to operate with system units or video adapters that generate a video output signal falling within the following specification:

      Maximum addressability (pixels)1920 x 1200
      Maximum pixel rate205 Mhz

      The monitor supports VESA Standard Timings as detailed in "Display Monitor Timing Specification," Version 1.0, Revision 0.8, dated September 17, 1998, for the following modes:

      • VGA: 640 x 480 at 60, 66, 72 and 75 Hz
      • SVGA: 800 x 600 at 60, 72 and 75 Hz
      • XGA: 1024 x 768 at 60, 70, 75Hz
      • SXGA
        • 1280 x 1024 at 60, 72, and 75 Hz
        • 1440 x 900 at 60 and 75 Hz
        • 1600 x 1200 at 60, 70, and 75 Hz
      • WUXGA: 1920 x 1200 at 60 Hz

      This monitor also supports the following modes:

      • 640 x 350 at 70 Hz
      • 720 x 400 at 70 Hz
      • 1152 x 864 at 75 Hz
      • 1360 x 768 at 60 Hz
      • 1680 x 1050 at 60 Hz
      • 1920 x 1080 at 60 Hz

      Note: National language support is a function of the video adapter in the system unit and the application or support software.

      Preset Display Modes
      (H x V Pixels)
      Incoming video refresh rate
      640 x 35070 Hz
      640 x 48060 Hz
      66 Hz (Mac)
      72 Hz
      75 Hz
      720 x 40070 Hz
      800 x 60060 Hz
      72 Hz
      75 Hz
      1024 x 76860 Hz
      70 Hz
      75 Hz
      1152 x 86475 Hz NI
      1280 x 102460 Hz
      72 Hz
      75 Hz
      1360 X 76860 Hz
      1440 x 90060 Hz
      75 Hz
      1600 x 120060 Hz
      70 Hz
      75 Hz
      1680 x 105060 Hz
      1920 x 108060 Hz
      1920 x 120060 Hz (Reduced blanking)
      • User modes: 20

      The factory-preset modes cannot be overwritten, but can be adjusted to personal choice. The new settings are stored automatically in one of the user locations and are recalled each time that mode is used. The factory settings for the mode in use, if any, can be restored by operating the reset control.

      Information about the current incoming display mode is shown in the on-screen displays. However, it is displayed at the LCD panel's optimum refresh rate of 60 Hz.

      It may be necessary to make some adjustments to the displayed image to compensate for variations in video signal timings. The user controls can be used to make these adjustments.

      The Lenovo ThinkVision L2440x Wide monitor is supplied with detachable 2.2-meter (7.2-feet) video (15-pin D) and 2.2-meter USB cables, and 2.2-meter attached digital cable (DVI-D to DVI-D).

      This monitor has been tested with ThinkCentre and ThinkPad systems and is compatible with systems and graphics adapters that comply with the relevant parts of "VESA and industry standards and guidelines for computer display monitor timing" Version 1.0 Revision 0.8, adopted September 17, 1998. Supported display modes and number of colors are a function of the attaching system unit. The full range of display modes, refresh rates, and number of colors available with this monitor may not be available or supported with all combinations of system units, their operating systems, and application software. Implementation of monitor Plug and Play follows the VESA DDC standard. This standard must also be implemented in the attaching system unit hardware and software to be effective.

      Software requirements
      • Microsoft Windows Vista Premium
      • Windows Vista Basic
      • Windows XP
      • Windows 2000

      Ergonomics/Emissions/Environmental/Compatibility Approvals
      • TCO'03
      • MPR-2
      • ISO/DIS 13406 Part 2
      • ENERGY STAR 4.1 (U.S.)
      • EPEAT Gold
      • Microsoft Logo - Windows Vista Premium
      • RoHS
      • WEEE
      • Low Halogen

      Agency approvals - EMI/Safety
      • UL (U.S.)
      • CSA (Canada)
      • IEC950 CB Report
      • NEMKO (Norway)
      • TUV
      • CCC (China)
      • NOM
      • SASO
      • GOST
      • PSB (Singapore)
      • BSMI
      • JEITA (Japan)
      • Green Mark (Taiwan)
      • Australia
      • UL-S (Argentina)
      • FCC B (U.S.)
      • IC (Canada)
      • CE (Europe)
      • MIC (Korea)
      • VCCI Class B (Japan)
      • New Zealand
      • South Africa
      • KVALITET(Serbia)
      • Cambodia

      • Supported display modes are a function of the attaching system unit and video subsystem. The full range of display modes available with these monitors may not be available or supported with all combinations of system units, their operating systems, video adapter cards, and application software.
      • Horizontal- and vertical-synchronization signal timings are critical in order to achieve acceptable screen images. As a consequence, support for all possible variations in H- and V-sync timings for any display mode cannot be assumed.
      • Adjustment of the user controls to enlarge the image to its maximum size requires that the signal timings of the display mode being used fall within the monitor-timing specifications.
      • The number of colors shown in any display mode will exceed 16 million and dependent on the capabilities of the video adapter in the system unit.
      • The Lenovo ThinkVision L2440x Wide provides FCC class B - residential installation - compliance in all display modes.
      • Implementation of monitor power management follows the VESA DPMS standard. This standard must also be implemented in the attaching system unit hardware and software for monitor power management to be effective. The system implementation must provide user-adjustable, power-down delay periods. The monitor power management function is invoked only after appropriate signals are received from an attached system unit or video adapter.
      • Implementation of monitor Plug and Play follows the VESA DDC standard. This standard must also be implemented in the attaching system unit hardware and software for monitor Plug and Play to be effective.
      • Certain functions require the system unit to be similarly configured, so all monitor functions may not be enabled when attached to a particular system unit.
      • The Lenovo Thinkvision L2440x Wide meets the ISO 13406-2 Class 2 Pixel Defect Standard.
      • Use of 50% gray background is not recommended since some users may experience undesirable FOS effects.

      Additional Product information
      Configuration files - Relevant files for your product
      Service parts - Parts listing for your product
      Publications- Instruction manual for your product
      Troubleshooting - Step-by-step instructions for solving common monitor issues
      Lenovo ThinkVision Monitors ( ) - ThinkVision monitor information
      Lenovo Support: Monitors - Reference Guide - A list of monitors
      Lenovo Support: Monitor Accessories - Reference Guide - A list of monitor accessories (stands, arms, displayport cables, cable locks, soundbars)
      Lenovo Support: Graphic Cards - Reference Guide - A list of graphiccards for desktop and workstation systems
      Lenovo Support: Accessories - Reference Guide - A list of accessories for notebook, desktop, workstation, server accessories - Additional information on options and accessories, including the Option Compatibility Matrix (OCM)
      Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications on Lenovo products


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      • Alias ID: MIGR-71170
      • Document ID: PD013971
      • Last Updated :26 Mar 2014
      • © 2016 Lenovo