ViewSonic VA705-LED - LED monitor - 17"

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Product Code:
P151260P
Manufacturer No:
VA705-LED

Description

Compatability ViewSonic's 17" LED display, the VA705-LED, is a professionally built monitor for government and corporate applications while featuring a small size and a SXGA 1280 x 1024 resolution allowing for a more pleasant and efficient working environment. This ENERGY STAR certified display comes equipped with a long-lasting and highly efficient power-saving LED backlight as well as ViewSonic's exclusive Eco-mode that reduces power consumption based on different lighting environment and minimizes maintenance effort and costs. Embedded dynamic contrast ratio technology not only enhances the dark and bright contrast of images but helps to produce an ultrahigh 10,000,000:1 ratio to deliver perfect image performance. Built-in sRGB color correction technology ensures accurate image color for consistent color performance for professional presentations, photographs, graphic design and printing. The VA705-LED provides an Eco-friendly solution for office applications and enormously boosts work efficiencies.

ViewSonic VA705-LED - LED monitor - 17" - 1280 x 1024 - 250 cd/m2 - 1000:1 - 10000000:1 (dynamic) - 5 ms - VGA - black

Specifications

Basic Specifications

Manufacturer's Part Number
VA705-LED
EAN
0766907645729
Product Description
ViewSonic VA705-LED - LED monitor - 17"
Response Time
5 ms
Dimensions (WxDxH)
37.9 cm x 21 cm x 40 cm - with stand
Colour
Black
Manufacturer Warranty
3 years warranty
Compliant Standards
TCO '03, FCC Class B certified, UL, cUL, CB, ICES-003 Class B, RoHS, WEEE, REACH
Weight
2.9 kg
Device Type
LED-backlit LCD monitor - 17"
Environmental Standards
ENERGY STAR Qualified
Brightness
250 cd/m2
Contrast Ratio
1000:1 / 10000000:1 (dynamic)
Display Position Adjustments
Tilt
Screen Coating
Anti-glare, 3H Hard Coating
Input Connectors
VGA
Native Resolution
1280 x 1024

General

Display Type
LED-backlit LCD monitor / TFT active matrix
Diagonal Size
17"
Viewable Size
17"
Native Resolution
1280 x 1024
Brightness
250 cd/m2
Contrast Ratio
1000:1 / 10000000:1 (dynamic)
Response Time
5 ms
Vertical Refresh Rate
50 - 75 Hz
Horizontal Refresh Rate
24 - 82 kHz
Horizontal Viewing Angle
170
Vertical Viewing Angle
160
Screen Coating
Anti-glare, 3H Hard Coating
Backlight Technology
WLED
Colour Temperature
9300K, 6500K, 5400K
Controls & Adjustments
Brightness, contrast, H/V position, sharpness, colour balance, colour temperature, clock, H-size, aspect control
Features
ViewMatch, OnView, sRGB colour management, Eco-Mode
Colour
Black
Dimensions (WxDxH)
37.9 cm x 21 cm x 40 cm - with stand
Weight
2.9 kg

Environmental Parameters

Min Operating Temperature
0 °C
Max Operating Temperature
40 °C
Humidity Range Operating
10 - 90% (non-condensing)

Miscellaneous

Cables Included
1 x VGA cable
Backlight Life
40,000 hours
Compliant Standards
TCO '03, FCC Class B certified, UL, cUL, CB, ICES-003 Class B, RoHS, WEEE, REACH

Power

Power Supply
External
Voltage Required
AC 120/230 V ( 50/60 Hz )
Power Consumption Operational
24 Watt

Software / System Requirements

Included Software
ViewSonic Wizard

Manufacturer Warranty

Service & Support
3 years warranty
Service & Support Details
Limited warranty - parts and labour - 3 years ¦ Limited warranty - backlight - 3 years

Environmental Standards

ENERGY STAR Qualified
Yes

Mechanical

Display Position Adjustments
Tilt
Tilt Angle
-3/+20

Dimensions & Weight

Dimensions & Weight Details
Without stand - width: 37.9 cm - depth: 6.8 cm - height: 33.74 cm - weight: 2.6 kg ¦ With stand - width: 37.9 cm - depth: 21 cm - height: 40 cm - weight: 2.9 kg

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Aspect Ratio

The standard proportion in width to height for a computer monitor is 4:3, but many new displays have a wider format: 16:9 or 16:10, designed for viewing movies or HDTV in wide format. Note that a 17-inch wide-format panel has about the same vertical dimension and vertical pixel count as a normal 15-inch panel, so you get about 120 percent of the viewing area of a 15-inch panel. A 17-inch standard panel, however, has 130 percent of the viewing area of a standard 15-inch screen.

Bits Per Colour

Modern graphics hardware uses 8 bits per colour channel to represent a picture, or 24 bits total (8 bits for each of the red, green and blue channels). This yields around 16.78 million different colours, and is known as TrueColour. Monitors with 8 bits per colour can reproduce TrueColour images faithfully, but some cheaper models of monitor only have 6 bits per colour (18 bits total, able to reproduce 262,144 colours). Monitors with 6 bits per pixel have to use tricks such as dithering to trick the viewer into believing they can display more colours than they actually can. These tricks cannot perfectly replicate the full colour range, however, and can result in aberrations in images being displayed. If good colour reproduction if an important consideration for you, then you should avoid these cheaper 6 bits per colour displays in favour of ones that support 8 bits per colour.

Connections

The connection is how the monitor attaches to the computer. The connection can be either analogue or digital in nature. Digital is considered the preferred connection method today, with analogue being provided mainly for compatibility with older equipment.

Analogue connection

LCDs are digital devices, meaning that they are intended to work with digital signals. VGA is an analogue standard designed to work with the previous generation of CRT monitors. For a LCD monitor to support VGA it must convert the analogue VGA signal to digital, which is certain to result in some loss of image quality, which manifests itself as some apparent blurriness in the image. Analogue connectors are provided mainly for compatibility with legacy hardware, and are becoming less common.

Digital connection

Most modern PCs can output a digital image signal directly, usually using the DVI standard, but in some cases with HDMI or DisplayPort connectors. As LCDs are inherently digital, a digital signal will produce the best possible image quality with no distortion or blurriness caused by an unnecessary digital to analogue and back to digital conversion.

Contrast Ratio

A measure of the difference between the darkest colour a monitor can produce (black) and the brightest colour it can produce (white). In theory, the contrast ratio should ideally be infinite, but in practice this is impossible because most monitors produce a "black" that is in fact a very dark grey and the white is limited by how bright an image can be without dazzling the viewer. Manufacturers have tended to inflate their contrast ratio statistics, so be wary of manufacturer's claims regarding contrast ratio.

Display size

Display size is measured in inches, corner to corner across the diagonal, so a 17 inch monitor is 17 inches from its bottom left to its top right corner. This means that while bot ha standard and a widescreen 17 inch monitor may both have the same diagonal size, the two monitors will have different dimensions. The standard screen monitor will be taller, while the widescreen display will be wider.

Dot Pitch

Dot pitch (also known as line pitch or pixel pitch) is a specification for a computer display that describes the distance between dots (sub-pixels) of the same colour on the inside of a display screen.

Dot pitch can be measured in millimetres (where a lower figure indicates closer spacing), or Dots Per Inch (where a higher figure indicates closer spacing). Closer spacing generally produces a sharper image (as there are more pixels in a given area).

Luminance

Brightness; a measure of how much light a panel can produce. Luminance is expressed in either nits or candelas per square meter (cd/m2), both units are equivalent (1 nit = 1 cd/m2). A measurement of 200 to 250 nits is OK for most productivity tasks; 500 nits is better for TV and movies.

TFT Technology

Several similar but different display technologies fall under the category of TFT display, each with its own characteristics, advantages and drawbacks.

TN plus film

TN (Twisted Nematic) plus film is the most common technology used in TFT panels today. This is because it provides a good compromise between low cost and good response times. They do tend, however, to suffer from limited viewing angles. As you move away from the centre line of the monitor and start looking at it more side on, the colours become increasingly distorted. Colour reproduction in general tends not to be as good as other systems such as IPS

IPS

IPS (In-Plane Switching) is a technology intended to overcome the image quality problems inherent in TN + Film displays. They have much wider viewing angles and reproduce colour far more faithfully. They are less responsive than TN + Film displays, and are also considerably more expensive. This makes them well suited to professional image editing applications, but a poor choice for multimedia or gaming, as the slow response times make ghosting an issue.

MVA

MVA (Multi-domain Vertical Alignment) is a technology intended to combine the best elements of TN + Film and IPS systems. Modern MVA panels can offer wide viewing angles (second only to S-IPS technology), good black depth, good color reproduction and depth, and fast response times. There are several "next-generation" technologies based on MVA, including AU Optronics' P-MVA and A-MVA, as well as Chi Mei Optoelectronics' S-MVA.

PVA

PVA (patterned vertical alignment) and S-PVA (super patterned vertical alignment) are alternative versions of MVA technology offered by Samsung. Developed independently, they offer similar features to MVA, but with higher contrast ratios of up to 3000:1. Less expensive PVA panels often use dithering and FRC, while S-PVA panels all use at least 8 bits per colour. PVA and S-PVA offer good black depth and wide viewing angles and S-PVA also offers fast response times

Pixel-Response Rate

This refers to how quickly a pixel can change colours, measured in milliseconds (ms); the lower the milliseconds, the faster the pixels can change, reducing the ghosting or streaking effect you might see in a moving or changing image. In general, manufacturers' specifications rely on best-case scenarios; real-world performance is often considerably slower. A maximum response time of 12ms to 15ms across the spectrum is required for gaming or viewing television and movies without ghosting or streaking. Manufacturers have debuted LCDs with response rates as fast as 2ms, though don't expect such high performance in real world applications.

Portrait/Landscape Modes

Some LCDs can pivot so that the longer edge can go horizontal (landscape mode) or vertical (portrait mode). This feature can be useful for desktop publishing, Web surfing, and viewing large spreadsheets, but don't pay extra for it if you won't use it.

Resolution

Resolution of a measure of how many pixels a monitor has, expressed as pixels across by pixels up. For example, 1280 x 1024 describes a display with 1280 pixels across by 1024 pixels up, for a total of 1.3 million pixels. Make sure you are comfortable with an LCD's native resolution before you buy it. Remember, an LCD that scales its image to a non-native resolution will never look as good.

Viewing angle

The physical structure of LCD pixels can cause the brightness and even the colour of images to shift if you view them from an angle rather than facing the screen directly. Take manufacturer's specifications with a grain of salt and make your own observations if possible; viewing-angle issues become more critical as panel size increases.

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