MC1000 User GuideGL-4
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.
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.
DRAM Dynamic random access memory.
DTE See Data Terminal Equipment.
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.
Element Generic term for a bar or space.
Encoded Area Total linear dimension occupied by all characters of a code pattern,
including start/stop characters and data.
ENQ (RS-232) ENQ software handshaking is also supported for the data sent to
the host.
ESD Electro-Static Discharge
Flash Disk An additional megabyte of non-volatile memory for storing
application and configuration files.
Flash Memory Flash memory is nonvolatile, semi-permanent storage that can be
electronically erased in the circuit and reprogrammed. MC1000
mobile computers use Flash memory to store the operating system
(ROM-DOS), the terminal emulators, and the Citrix ICA Client for
DOS.
File Transfer Protocol (FTP) A TCP/IP application protocol governing file transfer via network or
telephone lines. See TCP/IP.
FTP See File Transfer Protocol.
Flash Memory Flash memory is responsible for storing the system firmware and is
non-volatile. If the system power is interrupted the data is not be
lost.
Hard Reset See Cold Boot.
Hz Hertz; A unit of frequency equal to one cycle per second.
Host Computer A computer that serves other mobile computers in a network,
providing such services as computation, database access,
supervisory programs and network control.
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