Fujitsu fi-4990C Glossary Of Terms, A4 size, Ascii, Automatic separation, Browse mode, Density

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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