“ViewSonic là thương hiệu màn hình tốt nhất 2020”
VA1903a
19" 1366x768 Home and Office Monitor
- 16:9 aspect ratio
- ViewMode technology
- 80M:1 dynamic contrast ratio
- Flicker-Free and Blue Light Filter
- Eco-mode
OVERVIEW
The ViewSonic VA1903a is a 19"(18.5" viewable) LED monitor which is the ideal choice for corporate, educational or home office use. In addition to a 16:9 widescreen and energy saving Eco mode, it is also equipped with ViewSonic’s exclusive ViewMode, providing intuitive presets that deliver optimized screen performance in different applications. Besides, Flicker-Free technology and a Blue Light Filter help to eliminate eye strain from extended viewing periods for improved productivity. Lastly a VESA-compatible mount adapt easily to multi-monitor or wall-mount set ups.16:9 Widescreen Optimized for HD Content
Equipped with a 16:9 aspect ratio and 1366x768 native resolution, this monitor is designed for multitasking and improving productivity in the workplace or at home.

ViewMode: Superior Color Rendering & Intuitive Settings
ViewSonic’s unique ViewMode feature offers "Game," "Movie," "Web," "Text," and "Mono" presets. These presets enhance gamma curve, color temperature, contrast, and brightness to deliver an optimized viewing experience for different screen applications.

80M:1 ViewSonic Advanced Contrast Ratio
ViewSonic Advanced Contrast Ratio detects the brightness of an image, and automatically adjusts the backlight to maximize the monitor’s color range and contrast. ViewSonic Advanced Contrast Ratio technology enables the accurate reproduction of images, producing vibrant and rich visual effects.

ViewSonic Flicker-Free viewing for improved eye comfort
ViewSonic flicker-free displays deliver on the promise of more comfortable viewing. ViewSonic flicker-free technology nearly eliminates screen flickering at all brightness levels by providing a constant LED light source. This lets you work at your computer, play games, or watch movies longer – without eye fatigue. Care for your eyes with ViewSonic flicker-free technology!

Blue light filter for more comfortable viewing
Prolonged exposure to certain levels of blue light can cause eye discomfort. ViewSonic displays feature a Blue Light Filter setting that allows users to adjust the amount of blue light emitted from the screen, enabling longer viewing times and increased eye comfort for work and multimedia applications. It offers 100 levels of blue light filtering to relax users' eyes and adapt to all your daily digital activities.

Eco-mode Conserves More Energy and Cuts Costs
ViewSonic’s proprietary Eco-mode energy-saving feature is built into all ViewSonic LED monitors. Eco-mode adjusts brightness and improves visibility, while reducing eye fatigue and prolonging the monitor's lamp life. With Eco-mode, the lifespan of the LED backlighting is also greatly increased.

VESA-Compatible Mount Design
Mount the monitor as you see fit using its convenient 75 x 75mm VESA-mountable design.

REVIEWS
SPECIFICATIONS
- DisplayDisplay Size (in.): 19
Viewable Area (in.): 18.5
Panel Type: TN Technology
Resolution: 1366 x 768
Resolution Type: WXGA (Wide XGA)
Static Contrast Ratio: 600:1 (typ)
Dynamic Contrast Ratio: 50M:1
Light Source: LED
Brightness: 200 cd/m² (typ)
Colors: 16.7M
Color Space Support: 8 bit (6 bit + FRC)
Aspect Ratio: 16:9
Response Time (Typical Tr+Tf): 5ms
Viewing Angles: 90º horizontal, 65º vertical
Backlight Life (Hours): 30000 Hrs (Min)
Curvature: Flat
Refresh Rate (Hz): 60
Low Blue Light: Software solution
Flicker-Free: Yes
Color Gamut: NTSC: 72% size (Typ)
sRGB: 102% size (Typ)
Pixel Size: 0.3 mm (H) x 0.3 mm (V)
Surface Treatment: Anti-Glare, Hard Coating (3H) - CompatibilityPC Resolution (max): 1366x768
Mac® Resolution (max): 1366x768
PC Operating System: Windows 10/11 certified
Mac® Resolution (min): 1366x768 - ConnectorVGA: 1
Power in: 3-pin Socket (IEC C14 / CEE22)
- PowerEco Mode (Conserve): 9.5W
Eco Mode (optimized): 12.5W
Consumption (typical): 15.3W
Consumption (max): 17W
Voltage: AC 100-240V
Stand-by: 0.5W
Power Supply: Internal Power Supply - Additional HardwareKensington Lock Slot: 1
- ControlsPhysical Controls: Auto, Left, Right, Menu, Power
On Screen Display: Auto Image Adjust, Contrast/Brightness, Color Adjust, Information, Manual Image Adjust, Setup Menu, Memory Recall - Operating ConditionsTemperature: 32°F to 104°F (0°C to 40°C)
Humidity (non-condensing): 20% to 90% - Wall Mount VESA Compatible: 75 x 75 mm
- Input SignalFrequency Horizontal: 24 ~ 82KHz
Frequency Vertical: 50 ~ 75Hz - Video InputAnalog Sync: Separate - RGB Analog
- ErgonomicsTilt (Forward/Back): -3º / 18º
- Weight (imperial)Net (lbs): 4.4
Net Without Stand (lbs): 4
Gross (lbs): 6.4 - Weight (metric) Net (kg): 2
Net Without Stand (kg): 1.8
Gross (kg): 2.9 - Dimensions (imperial) (wxhxd)Packaging (in.): 19.8 x 13.7 x 4.1
Physical (in.): 17.2 x 13.5 x 6.7
Physical Without Stand (in.): 17.2 x 10.7 x 1.9 - Dimensions (metric) (wxhxd)Packaging (mm): 502 x 349 x 105
Physical (mm): 438 x 344 x 170
Physical Without Stand (mm): 438 x 271 x 48 - GeneralRegulations: cTUVus, FCC-B, ICES003, MX-CoC, Mexico Energy, REACH, WEEE, BSMI, BIS
PACKAGE CONTENTS: VA1903A x1, 3-pin Plug (IEC C13 / CEE22) x1, VGA Cable (Male-Male) x1, Quick Start Guide x1
Recycle/Disposal: Please dispose of in accordance with local, state or federal laws.
Warranty: *Warranty offered may differ from market to market







