Specifications

APPENDIX

APPENDIX-1

GLOSSARY OF TERMS

Alphanumeric Display - A display that presents the

alphabetic characters A thru Z as well as the numbers 0 thru

Bar Code - An array of rectangular marks and spaces in a

predetermined pattern.

Bar Code Character - A single group of bars and spaces

which represent an individual number, letter, punctuation

mark or other symbol.

Baud - The signalling rate at which serial data

transmissions are sent. It is the switching speed, or number

of transitions (voltage or frequency changes) that are made

per second. Only at low speeds are bauds equal bits per

second; for example, 300 baud equals 300 bits per second

equals 30 characters per second.

Baud Rate - A redundant reference to baud, which is a rate.

See Baud.

Check Digit - A calculated character included in a barcode,

that is used for error detection.

Code Density - The number of characters per inch of length

that the bar code symbol contains.

Code Length - The number of characters contained in the

bar code symbol. Does not include start or stop patterns.