Fujitsu i-4990C, Operator'S Manual

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GL-1
GLOSSARY OF TERMS
A4 size
A standard paper size used in Japan and other countries. Paper size is 210 x 297 mm (8.25 x 11.6 inches).
ASCII
The acronym for American Standard Code for Information Interchange.
ASCII is a set of 128 codes (numbered 0 to 127) used to communicate information between a computer
and another device such as scanner.
Automatic separation
The image processing method to detect the difference between text and photos and choose the threshold
accordingly. Automatic separation allows the scanner to switch between line mode and half tone mode in
one pass.
Automatic start mode (<–> manual start mode)
In this mode the reading operation is activated only by START command.
Back-side reading = Back-side scanning
Refers to reading the back-side of the document, specifically in Duplex reading mode.
Bit
The smallest unit of information in computer memory. A bit is a single digit, either a 1 or a 0, in the binary
numbering system.
Eight bits equal one byte.
Browse mode
The mode in which users can glance setup conditions of the scanner in offline status.
Consumable counter
Indicates when consumables like a lamp should be replaced. The number of read document accumulates
until an operator resets the counter. It should be reset when consumables are replaced.
Density
Degree of darkness of an image. Also percent of screen used in an image.
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