Zebra MC75 User's Guide download pdf (Page 185)

Glossary - 3

Codabar. A discrete self-checking code with a character set consisting of digits 0 to 9 and six additional characters: (“-”, “$”,

“:”, “/”, “,” and “+”).

Code 128. A high density symbology which allows the controller to encode all 128 ASCII characters without adding extra

symbol elements.

Code 3 of 9 (Code 39). A versatile and widely used alphanumeric bar code symbology with a set of 43 character types,

including all uppercase letters, numerals from 0 to 9 and 7 special characters (“-”, “.”, “/”, “+”, “%”, “$” and space). The

code name is derived from the fact that 3 of 9 elements representing a character are wide, while the remaining 6 are

narrow.

Code 93. An industrial symbology compatible with Code 39 but offering a full character ASCII set and a higher coding

density than Code 39.

Code Length. Number of data characters in a bar code between the start and stop characters, not including those

characters.

Cold Boot. A cold boot restarts the mobile computer and erases all user stored records and entries.

COM port. Communication port; ports are identified by number, e.g., COM1, COM2.

Continuous Code. A bar code or symbol in which all spaces within the symbol are parts of characters. There are no

intercharacter gaps in a continuous code. The absence of gaps allows for greater information density.

Cradle. A cradle is used for charging the terminal battery and for communicating with a host computer, and provides a

storage place for the terminal when not in use.

Data Communications Equipment (DCE). A device (such as a modem) which is designed to attach directly to a DTE (Data

Terminal Equipment) device.

DCE. See Data Communications Equipment.

DCP. See Device Configuration Package.

Dead Zone. An area within a scanner's field of view, in which specular reflection may prevent a successful decode.

Decode. To recognize a bar code symbology (e.g., UPC/EAN) and then analyze the content of the specific bar code

scanned.

Decode Algorithm. A decoding scheme that converts pulse widths into data representation of the letters or numbers

encoded within a bar code symbol.

Decryption. Decryption is the decoding and unscrambling of received encrypted data. Also see, Encryption and Key.

Depth of Field. The range between minimum and maximum distances at which a scanner can read a symbol with a certain

minimum element width.

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Zebra MC75 User's Guide Page 185