Epson Network Scan Module Manual

Epson Scanner Network Scan Module

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Color in Communicaon: Color Light Output White Paper

Michael Goldstein, MSG Communicaons

“Why do two colors, put one next to the other, sing? Can one really explain this? No. Just as one can

never learn how to paint.” Pablo Picasso

Introducon

Pablo Picasso is only one of many who pay tribute to the importance of color. For designers and

purchasers of products like cars, computers, and cell phones, color is a major consideraon. Color is a

crical element in the communicaon of informaon. According to an American Psychological

Associaon study, The Contribuons of Color to Recognion Memory for Natural Scenes, by hanging an

extra “tag” of data on visual scenes, color helps us to process and store images more eciently than

colorless (black and white) scenes, and as a result, to remember them beer. And when informaon is

projected in business boardrooms and children’s classrooms around the world, color plays an important

role in geng key messages across.

The data projector market has been in existence for more than two decades, with almost 60 million

projectors sold for use in schools, theaters, homes and businesses. Yet, while superior image quality and

brightness have consistently ranked at the top of lists, there has been no standardized buyer’s wish

specicaon to measure the color performance of projectors.

Use of color can draw aenon to important areas of text, a factor oen crical in business and other

presentaons. Studies done by the Pantone Color Instute indicate that “consumers are up to 78

percent more likely to remember a word or phrase printed in color than in black and white.” Further,

“When color is combined with the written word, it impacts readers with…greater recall, recognion and

aenon.”

Similarly, research conducted by Xerox in 2003 found that among business owners:

 83 percent believe color makes them appear more successful

 81 percent think color gives them a compeve edge

 76 percent believe that the use of color makes their business appear larger to clients

Clearly, with color important to eecve so communicaon, most people don’t need to be sold on the

importance of Color Brightness in projected presentaons. Yet while current specicaons give

informaon on b htness (or White Light Output), contrast rao and resoluon, they shed no light on a rig

projector’s ability to reproduce and project bright, rich and accurate colors. Consumers, even

sophiscated informaon technology buyers, have not unl now had a metric to help them understand

what they can expect their projector to provide in terms of color.

A World of Color

Data projectors are no longer just a simple substute for the venerable overhead projector, with its

black lines and simple charts laid upon a transparency. Yet our thinking about the value of projectors,

parcularly in business and educaonal sengs, has not advanced far beyond that.

To many, the words “projector” conjures a dull presentaon. But up that’s an outdated mindset. What

began as a tool for pung black and white words and simple color charts and graphs onto slides has

evolved into a media-rich plaorm, supporng video, audio, animaons and photographs. And

presentaon programs just one paint source on the palee of choices business and educaon are

professionals can now use to tap into the power of color.

Indeed, nearly anything that a computer can store on its hard disk, play from its DVD drive or access

from the Internet can be projected in living color. A short and not very exhausve list would include

online videos, corporate, educaonal and personal websites, personal and corporate blogs, short

message feeds with photos, images from photo sharing sites, streamed full-length lms and television

shows, and many other sources.

Such rich, high-denion content has made the quality of the color produced by a projector extremely

important, regardless of whether it is meant for home, business, or classroom use.

Considering this universe of color-based content, potenal purchasers can evaluate projectors using a

number of specicaons. These include white brightness contrast rao, (the difference between the

brightest part of the image and the darkest), and (such as XGA or SXGA, measured in pixels). resoluon

For most users, the key to determining the capability of a given projector to successfully present vibrant

images is the projector’s brightness, measured in lumens. In general, the higher the number of lumens,

the brighter the projector. One of the many reasons brightness is important in business and educaon

projector is the frequent need to project in conference rooms and classrooms with the lights on.

Considering the overwhelming use of color in today’s presentaons, the ability for a projector to project

color at a brightness equal to its projecon of white light is crical. Yet the widely-used lumens

specicaon measures only white light, a fact unknown to more than 70 percent of projector buyers,

according to a recent TFCinfo Associates study. And unfortunately, in more than 50 percent of

projectors sold today, Color Brightness is substanally lower than White Light Output.

Even sophiscated informaon technology buyers oen have no idea that the lumens specicaons

refer only to the output of white, rather than colored, light. Unl the arrival of the new Color Light

Output specicaon, buyers had no way to determine if a projector was capable of producing the bright,

vivid color they demanded. In the digital era, where online ordering is the norm, the ability to evaluate

the color quality of a projector on specs alone, without seeing it in acon, is imperave.

Produkt Specifikationer

Mærke:	Epson
Kategori:	Scanner
Model:	Network Scan Module

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