| Machine Type - Models: 3778-HB2, 3778-HN2 |
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Lenovo delivers a contemporary and sleek design monitor for those who do business. The Lenovo monitors support higher productivity and efficiency with essential usability and energy-saving features for entrepreneurs running small and medium businesses. The 20” WLED panel with 1600x 900 resolution provides a crystal-clear display. The Lenovo LS2023 Wide (3778) is packed with green features including being mercury-free by adopting white LED backlights, arsenic-free glass, and meeting the latest Energy-Star 5.1 standard and being TCO Displays 6.0 compliant and EPEAT Gold. The Lenovo LS2023 Wide is able to mount the optional sound bar as accessory.
The Lenovo LS2023 Wide monitor (3778) features:
- 20” viewable size (442.88×249.12 mm)
- Native resolution of 1600 x 900
- White LED backlights
- Aspect ratio: 16:9
- Pixel Pitch: 0.276mmx0.276mm
- Brightness: 250 cd/m2 (typical)
- Color Gamut 72%
- Contrast ratio: 1000:1 (typical)
- View angles(Horizontal/Vertical, @CR=10:1): 170 degrees / 160 degrees
- Respond time: 5ms (on/off, typical)
- Internal Power supply
- Power consumption (typical/max): 19w/22w
- Tilt stand for viewing comfort
- Direct access button for automatic image setup - allows quick and easy monitor setup
- Compliance with ENERGY STAR 5.1 requirements
- EPEAT Gold
- Kensington Lock slot for security
- TCO Displays 6.0 compliance
- Meets 100mm VESA standard* for mounting
- Capability to mount the optional sound bar as accessory
- Certified for Microsoft Windows 7/Windows 8
* VESA is a registered trademark of the Video Electronics Standards Association. |
| Feature |
Specification |
| Monitor Size |
20 inch Wide (536.8 mm) |
| Viewable image size |
20 inch (508 mm) |
| Maximum viewable area |
447.1 × 253.5 mm |
| Native resolution |
1600 x 900 |
| Contrast ratio (typical) |
1000 : 1 |
| Brightness (typical) |
250 cd/m2 |
| Color Gamut |
72% |
| Aspect Ratio |
16:9 |
| Pixel pitch |
0.276 mm x 0.276 mm |
| Colors |
16.7 million |
| Viewing angle (typical) |
Horizontal: 170 degrees (at 10:1 contrast ratio) |
| Vertical: 160 degrees (at 10:1 contrast ratio) |
| Response time (typical) |
5 ms |
| Video input |
VGA, DVI-D |
| SYNC Type |
Separate TTL |
| SYNC on Green |
No |
| Bezel width |
15.3 mm |
| Tilt |
-5 ~ 21 degrees |
| Swivel |
None |
| Lift |
None |
| Pivot |
None |
| VESA mount |
100 x 100 mm |
| Kensington Lock slot |
Yes |
| On-Screen Display (OSD) |
Yes |
| On-Screen Display (OSD) menu languages |
English, Spanish, Italian, German, French, Japanese, Simplified Chinese, and Russian |
| Preset display modes |
16 |
| User-defined display modes |
16 |
| VESA DDC capable |
2B/CI |
| Power supply |
Internal power adapter |
| Power cord |
1.8 m |
| ISO 9241-307 compliant |
Yes |
| ENERGY STAR 5.1 |
Yes |
| Parameter |
Unpacked |
Packed |
| Depth |
6.19 inch (157.4mm) |
5.59 inch (142.0mm) |
| Height |
14.28 inch (362.8 mm) |
16.69 inch (424.0mm) |
| Width |
18.71 inch (475.1mm) |
21.18 inch (538.0mm) |
| Weight |
6.97 lb (3.16 kg) |
9.81 lb (4.45kg) |
- Input voltage: 90 to 264 V ac
- Frequency: 50-60Hz +/- 3Hz
- Power consumption:
- Maximum: 22 watts
- Typical: 19 watts
- VESA standby: <0.5 watts
- VESA suspend: <0.5 watts
- VESA off: <0.5 watts
- Maximum earth leakage current
Terminal – PE(Protective Earth)
Maximum 3.5 mA at 90V-264 V
Terminal – (Accessible parts and circuits not connected to protective earth)
Maximum 0.25 mA at 90V-264 V
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| Parameter |
Temperature |
Relative humidity |
Altitude |
| Operating |
0 to 40 deg.C |
8 to 80 % |
0 to 8,000 ft (2,438 m) |
| Shipping |
-20 to 60 deg. C |
5 to 95 % |
0 to 40,000 ft (12,192 m) |
| Storage |
-20 to 60 deg. C |
5 to 95 % |
0 to 8,000 ft (12,192 m) |
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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.
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Compliance to the ISO standard ISO/DIS 9241-307 provides that ergonomic requirements are met when the monitor forms part of an ISO-compliant system.
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Three years - Customer Carry-in or Mail-in using Rapid Replacement Service
- Announce date: 18 Sept 2012 (Worldwide)
- Availability date: 12 Oct 2012 (Worldwide)
If warranty service is required, call the Customer Support Center. The Customer Support Center will assist with problem determination and initiate shipment of a replacement unit, if needed, to the customer's location by express delivery. For calls received by 5:00 p.m. customer's time, in most cases, the replacement unit will arrive within two business days (excluding holidays). The replacement unit becomes the property of the customer in exchange for the failed unit, which becomes the property of Lenovo. Pack the failed unit into the shipping carton that contained the replacement unit and return to Lenovo. Transportation charges, both ways, are paid by Lenovo. Failure to use the carton in which the replacement unit was received could result in charges incurred by the customer for damage to the failed unit during shipment.
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The Lenovo LS2023 Wide (3778) is intended to operate with system units or video adapters that generate a video output signal falling within the following specification:
| Maximum resolution |
1600 x 900 pixels |
| Optimum resolution |
1600 x 900 pixels |
| Maximum pixel rate |
135 MHz(VGA) |
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The Lenovo LS2023 Wide features factory-preset display modes. The actual display modes used depend on the attaching system unit, the operating system, and application software.
- Microsoft Windows 8
- Microsoft Windows 7
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| Addressability (H x V Pixels) |
Incoming video refresh rate |
| PAL VGA |
50 Hz |
| 640 x 350 |
70 Hz |
| 720 x 400 |
70 Hz |
| 640 x 480 |
60 Hz |
| 72 Hz |
| 75 Hz |
| 800 x 600 |
60 Hz |
| 72 Hz |
| 75 Hz |
| 1024 x 768 |
60 Hz |
| 70 Hz |
| 75 Hz |
| 1280 x 720 |
60 Hz |
| 1280 x 768 |
60 Hz |
| 1280 x 800 |
60 Hz |
| 1360 x 768 |
60 Hz |
| 1440 x 900 |
60 Hz |
| 1600 x 900 |
60 Hz |
| 1600 x 900 |
75 Hz |
| 1600 x 900 ** |
75 Hz (Optimum Display Mode) |
Note (**): This is the optimum display mode for the best displayed image. Reduced image quality may result if used in other modes due to the image scaling limitations of LCD monitor technology.
- User modes: 16 (VGA mode)
- SAFETY
- UL or c(TUV)us (USA)
- CSA/cUI(Canada)
- IEC950 CB Report
- SEMKO or NEMKO
- NOM(Mexico)
- SASO (Saudi Arabia)
- CE (Europe)
- TUV -GS(Germany)
- CCC (Mainland China)
- Gost (Russia)
- PSB (Singapore)
- Ukraine
- KEBS (Kenya)
- KC (Korea)
- BSMI
- SABS (South Africa)
- JEIDA
- TUV –S or IRAM-S(Argentina)
- ISC(Cambodia)
- OTAN (Kazakhstan)
- KVALITET(Serbia)
- INSM(Moldavia)
- STZ(Uzbekistan)
- BELLIS(Belarus)
- CSM(Bulgaria)
- KONCAR(Croatia)
- SONCAP(Nigeria)
- KUCAS(Kuwait)
- CSC(Mainland China)
- Mainland China National Monitor Energy Efficiency Standard (Tier 1)
- EMI
- FCC B (USA)
- IC (Canada)
- CE (Europe)
- VCCI (Japan)
- KC(Korea)
- C-tick(Australia/New Zealand)
- SABS-CoC, LoA(South Africa)
- BSMI (Taiwan Region)
- CCC (Mainland China)
- STZ(Uzbekistan)
- BELLIS(Belarus)
- CSM(Bulgaria)
- KVALITET(Serbia)
- KONCAR(crotia)
- SASO(Saudia Arabia)
- ERGONOMIC
- TCO 6.0
- EnergyStar 5.1
- EPEAT Gold
- E-standby(Korea)
- CECP(Mainland China)
- CEL(Mainland China)
- Mainland China RoHS
- Lenovo 41A7731 Compliant
- Lenovo 41A7733 Compliant
- WEEE
- VOC(US)
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