Glossary - 3
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 mobile computer battery and for communicating with a host computer, and provides
a storage place for the mobile computer when not in use.
D
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.
Device Configuration Package.
The Symbol Device Configuration Package provides the Product Reference Guide (PRG),
flash partitions, Terminal Configuration Manager (TCM) and the associated TCM scripts. With this package hex images
that represent flash partitions can be created and downloaded to the mobile computer.
Discrete Code.
A bar code or symbol in which the spaces between characters (intercharacter gaps) are not part of the code.
Summary of Contents for MOTOTRBO MC1000
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