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      ThinkVision LT2223z 21.5-inch FHD LED Backlit LCD VoIP Monitor - Overview

      Features and specifications

      For mainstream professionals who demand better productivity, collaboration and manageability, ThinkVision presents LT2223z VoIP monitor (60A2-MAT2-WW) from its ThinkVision VoIP series. Packed with an integrated FHD webcam, two digital microphones and speakers, LT2223z makes collaboration over the internet simpler and more convenient; and with a built-in USB Hub, it provides better manageability and just an overall distinct user experience. It’s designed without compromises, featuring a 21.5-inch FHD LED backlit panel, an array of connectivity options, and also Tiny PC support. To top it all, it meets the latest standards of green certifications, qualified by Energy Star 6.0, TUV Green Mark, EPEAT Gold, TCO Display 6.0, TCO Certified Edge 1.1, and UL Environment Gold.

      Features and Benefit:

      • 21.5-inch FHD LED backlit LCD panel
      • 1920 X 1080 resolution
      • Integrated FHD Webcam, two digital microphones and two 3W digital speakers
      • Dedicated VoIP controls
      • USB Hub (1-2 USB3.0)
      • VGA, HDMI1.4, DP1.2 connections
      • Detachable tool-less full ergo stand (Lift, Tilt, Pivot, Swivel)
      • Supports Lenovo Tiny PC and 3rd party thin client via optional L bracket
      • Arsenic free / Pb free / Mercury free
      • The Electronic Product Environmental Assessment Tool (EPEAT) Gold certified
      • Energy Star 6.0 Certified
      • TCO6.0 / TCO Edge 1.1 Certified
      • TUV Green Mark Certified
      • ULE Gold Certified
      • RoHs
      • 85% PCC plastic resins
      • China Energy Label (CEL) 1
      • Available in Business Black


      Feature Specification
      Monitor Size 21.5 inch
      Viewable image size (diagonal) 21.5 inch
      Maximum viewable area (H x V) 476.064mm (H) x 267.786mm (V)
      Native resolution 1920 x 1080
      Contrast ratio (typical) 1000:1
      Dynamic Contrast Ratio 2,000,000:1
      Brightness (typical) 250 cd/m2
      Color Gamut (NTSC CIE 1931) 72%
      Color Gamut (NTSC CIE 1976) 82%
      Aspect ratio 16:9
      Pixel pitch 0.248mm x0.248mm
      Colors 16.7 million
      Horizontal viewing angle 170 degrees (at 10:1 CR), 176 degrees (at 5:1 CR)
      Vertical viewing angle

      160 degrees (at 10:1 CR), 170 degrees (at 5:1 CR)

      Response time (typical) 5 ms
      Video input 15-pin D-sub, HDMI, Display Port 1.2
      Signal cable - 15-pin D 1.8 m
      SYNC Type Separate TTL
      SYNC on Green No
      USB Hub 1-2 USB3.0
      USB Cable              1.8 m
      Webcam FHD
      Microphone 2 x digital
      Speakers 2 x 3W digital speakers
      Audio In yes (3.5mm)
      Audio Out yes (3.5mm)
      Bezel width (Side) 17.3mm
      Tilt -5~30º
      Swivel +/- 45 degrees
      Lift 110mm
      Pivot 90º
      VESA mount 100 x 100 mm
      Tiny PC Support Yes
      Lenovo Soundbar Support Yes
      Kensington lock slot Yes
      OSD Yes
      OSD language 8
      Preset display modes 25
      User-defined display modes 20
      VESA DDC capable DDC/CI
      Power supply Internal power adapter
      Power cord 1.8 m

      On- Screen Display (OSD) Menu Control:

      Key Knob Functions Summary

      • Five key knobs: Power Switch, Enter/OK key, Brightness Adjustment/Increase, Auto Adjustment /Decrease, Exit/Video sources switch.
        OSD Controls

      OSD Controls

      • Brightness/Contrast/DCR
        • Brightness
        • Contrast
        • DCR
      • Image Position
        • Horizontal position
        • Vertical position
      • Image setup: -
        • Automatic Setup
        • Manual Setup
      • Image properties:
        • Color : Mode 1 (Preset –7200K , sRGB, 6500K,,9300K), Mode 2 (Custom – R,G,B, Save)
          (Reddish , sRGB, Neutral , Bluish )
        • Input Signal
        • Scaling
      • Options:
        • Information
        • Language Selection
        • Menu Position – Default, Custom (H / V)
        • Reset – Cancel, O.K
        • Accessibility – Button Repeat Rate(Off, Default, Slow), Menu Timeout (5 to 60sec)
      • Exit

      The OSD menu supports the following languages: English, French, German, Spanish, Italian, Japanese, Simplified Chinese and Russian.



      Physical specifications
      Dimensions and weight of the monitor and stand
      Parameter Unpacked Packed
      Height 14.94 inch (379.36mm)   (include stand & base)                   16.42 inch (417mm)

      20.18 inch (512.64mm)                                        

      23.27 inch (591mm)


      2.12inch (56.37mm)  (without stand & base)

      8.60 inch (218.42mm) (include stand& base)


      8.27 inch (210mm)
      Weight 11.98 lbs (5.43 kg)     16.53 lbs (7.49 kg)  


      Operating environment
      Conservation: Energy can be saved by switching monitors off overnight and whenever they are not in use for extended periods during the day. 


      Power requirements
      • Power Voltage 90---264VAC
      • Voltage Dynamic Frequency 47-63Hz


      Power Consumption (E2000) and Heat Dissipation
      Status Typical consumption
      (OSD Default setting)
      Max consumption Indicator
      On mode
      < 24 <28W Green
      On mode
      --Out of Range
      < 24 <28W Green Blinking
      (0.5s interval)
      Sleep <0.5 W <0.5 W Amber
      Off mode <0.5 W <0.5 W Amber
      Switch off mode < 0.5  W < 0.5  W Off

      Actual power consumption depends on the chosen display mode, the images displayed, and user control settings.

      Ambient temperature and relative humidity
      Parameter Temperature Relative humidity Altitude
      Operating 0 to 40 deg.C 10 to 80 % 0 to 16,404 ft
      Shipping -20 to 60 deg. C 5 to 95 % 0 to 40,000 ft
      Storage -20 to 60 deg. C 5 to 95 % 0 to 40,000 ft


      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.



      Compliance to the ISO standard ISO 9241-307 provides that ergonomic requirements are met when the monitor forms part of an ISO-compliant system.


      • One monitor
      • Detachable tool-less full ergo stand
      • VGA Cable
      • USB Cable
      • Power Cord
      • CD containing multilingual user's guide, setup test pattern, and Windows installation file
      • Quick start and safety poster


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

      • Announce date: 12 March 2013 (Worldwide)
      • Planned availability date: 17 April 2013 (Worldwide)


      Hardware compatibility
      The ThinkVision LT2223z VoIP monitor is intended to operate with system units or video adapters that generate a video output signal falling within the following specification:
      Parameter Monitor
      Maximum resolution 1600 x 900 pixels
      Optimum resolution 1600 x 900 pixels
      Maximum pixel rate  VGA: 205MHz, HDMI: 225MHz, DP: 205 MHz


      Preset Display Modes

      Factory Mode: VGA, DVI, DP, HDMI

      (H x V Pixels)
      Incoming video refresh rate
      PAL 50 Hz
      640 x 350 70 Hz
      640 x 480 60 Hz
      640 x 480 56 Hz
      640 x 480 60 Hz
      720 x 400 70 Hz
      800 x 600 56 Hz
      800 x 600 60 Hz
      800 x 600 75Hz
      800 x 600 75Hz
      832 x 624 75Hz
      1024 x 768 60 Hz
      1024 x 768 70 Hz
      1024 x 768 75 Hz
      1366 x 768                60 Hz
      1440 x 900 60 Hz
      60 Hz (Reduced blanking)
      1600 x 900 60 Hz
      60 Hz (Reduced blanking)
      1600 x 900 75Hz


      Software requirements
      The ThinkVision LT2223z VoIP monitor features factory-preset display modes. The actual display modes used depend on the attaching system unit, the operating system, and application software.

      • Microsoft Windows Vista
      • Microsoft Windows 7
      • Microsoft Windows 8


      Agency approvals



      • cTUVus
      • IEC950 CB Report
      • NEMKO
      • KVALITET (Serbia)
      • Ukraine
      • CCC (China)
      • NOM (Mexico)
      • SASO (Saudi Arabia)
      • CE (Europe)
      • GOST (Russia)
      • PSB (Singapore)
      • BSMI (Taiwan)
      • JEITA (Japan)
      • TUV-S (Argentina)
      • SABS
      • Cambodia
      • Uzbekistan
      • Moldavia
      • Kuwait
      • KC (Korea)
      • Belarus
      • Kazakhstan
      • Kenya
      • Nigeria
      • INSM (Moldavia)
      • Tanzania
      • GS (Germany)


      • FCC B (USA)
      • CE (Europe)
      • VCCI (Japan)
      • KC(Korean )
      • Australia/New Zealand
      • IC (Canada)
      • BSMI (Taiwan)
      • CCC (China)
      • SABS (South Africa)
      • KVALITET (Serbia)
      • Belarus
      • Croatia
      • Kazakhstan


      • MPR 2
      • EPA 6.0
      • TUV-GS
      • ISO 9241-307
      • e-standby (Korea)
      • CSC
      • China National Monitor Energy Efficiency standard Tier 1
      • TCO Edge 1.1
      • RoHS / China RoHS / Turkey RoHS
      • ULE Gold
      • EPEAT Gold
      • TUV-Green Mark
      • GHG(B2B)
      • ECO declaration


      • Microsoft Windows Vista/Win7/Win 8
      • USB IF (USB hub)

      Standard: COMMISSION REGULATION (EC) No 1275/2008 (ANNEX I point 2 for ITE product)


      • 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 (up to a maximum of 16.7 million) is not limited by the monitor, but depends on the capabilities of the video adapter in the system unit.
      • 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.

      Additional Product information

      Product Recycling Program Information
      Lenovo Limited Warranty
      Compliance Statement for ThinkVision LT2223z monitor
      Configuration files - Drivers and downloads for your product
      User guide -Installation guide for your product
      Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications on Lenovo products


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      • Alias ID:
      • Document ID: PD026585
      • Last Updated :29 Sep 2016
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