Zebra MC55A0 User's Guide download pdf (Page 173)

Glossary - 3

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 2 of 5. A binary bar code symbology representing each character by a group of five bars, two of which are

wide. The location of wide bars in the group determines which character is encoded; spaces are insignificant. Only

numeric characters (0 to 9) and START/STOP characters may be encoded.

EAN. European Article Number. This European/International version of the UPC provides its own coding format and

symbology standards. Element dimensions are specified metrically. EAN is used primarily in retail.

EMDK. Enterprise Mobility Developer’s Kit.

ESD. Electro-Static Discharge

File Transfer Protocol (FTP). A TCP/IP application protocol governing file transfer via network or telephone lines. See

TCP/IP.

Flash Memory. Flash memory is nonvolatile, semi-permanent storage that can be electronically erased in the circuit

and reprogrammed.

FHSS (Frequency Hopping Spread Sprectrum). A method of transmitting radio signals by rapidly switching a carrier

among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver.

Hard Reset. See Cold Boot.

Hz. Hertz; A unit of frequency equal to one cycle per second.

Host Computer. A computer that serves other terminals in a network, providing such services as computation,

database access, supervisory programs and network control.

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Zebra MC55A0 User's Guide Page 173