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10 appendix: glossary, 2 options – Matrix Orbital LK204-24-USB User Manual

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9.2 Options

Table 39: Options Available on the LK204-24-USB

Inverse Yellow; black backlight with yellow text

-IY

Inverse Blue; blue backlight with white text

-WB

White backlight with grey glass (Ice blue)

-GW

Inverse Red; red backlight with white text

-R

10 Appendix: Glossary

Table 40: Appendix: Glossary

ASCII

American Standard Code for Information Interchange.

A 7 bit binary code representing the English alpha-

bet, decimal numbers and common punctuation marks.

Also includes control character such as carriage return

or end of text. An 8 bit superset of the standard ASCII

codes is often used today to include foreign characters

and other symbols. These supersets are often called

extended ASCII character sets.

Backlight

A backlit display is illuminated from behind to provide

nighttime and improved daytime readability.

Baudrate

The (data and signaling) bit transmission rate of an RS-

232 device.

Binary Number

A number written using binary notation, which only

uses zeros and ones.

Bit

The smallest unit of information a computer can work

with. Each bit is either 0 or 1. Binary digit.

Bitmap

A representation, consisting of rows and columns of

dots, of a graphics image in computer memory. The

value of each dot (whether it is filled in or not) is stored

in one or more bits of data.

Byte

A grouping of eight binary bits.

CCFL

Cold Cathode Fluorescent Lamp. A high brightness

backlighting source consists of a fluorescent tube pow-

ered by a high voltage A.C. source.

Matrix Orbital

LK204-24-USB

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