Symbol-technologies MC9000-K User Manual download pdf (Page 508)

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MC9000-K/S for Embedded Windows® CE .NET Product Reference Guide

GL-6

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 Pacage 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.

DHCP (Dynamic Host Configuration Protocol) Software that

automatically assigns IP addresses to client stations

logging onto a TCP/IP network. Similar to BOOTP, but also

permits the leasing of an IP address. It eliminates having to

manually assign permanent IP addresses. DHCP software

typically runs in servers and is also found in network

devices such as routers that allow multiple users access to

the Internet.

DHCP Server A server in the network or a service within a server that

assigns IP addresses.

Discrete Code A bar code or symbol in which the spaces between

characters (intercharacter gaps) are not part of the code.

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