TRAKKER Antares 2420 and 2425 Hand-Held Terminal User’s Manual
G-6
CCD scanner
Charge-coupled device. A CCD scanner contains no moving parts and uses a light source
to illuminate the entire symbol. A symbol is scanned electronically using the digitized
image of a line through the symbol provided by the linear photodiode array.
CGA
Color/graphics adapter. CGA is a video adapter board.
channel
The path for transmitting data from a device to the host computer. In RF networks, it is
the frequency hopping sequence the radio card follows. The 2.4 GHz bandwidth can be
divided into 15 channels.
check character
A character included within a message that performs a check to ensure the accuracy of
the message.
check digit
A character included in a bar code whose value is used to do a mathematical check on the
value of the decoded bar code to retain accuracy.
checksum
A calculated value that is used to test data integrity. Errors can occur when data is
transmitted or when it is written to disk. One means of detecting such errors is the use of
a checksum. A value is calculated for a given chunk of data by sequentially combining all
the bytes of data with a series of arithmetic or logical operations. After the data is
transmitted or stored, a new checksum is calculated and compared with the original one.
If the checksums match, the transmission or storage was probably error free. If they do
not match, an error occurred.
coaxial
A type of cable used to connect the DCS 300 directly to an IBM host. Coaxial cable
consists of an outer layer of insulation, an outer conductor, another insulating layer, and
a central conductor.
Codabar
A self-checking, discrete bar code symbology that has these 16 characters in its set: 0 to
9, dollar sign ($), colon (:), slash (/), period (.), plus (+), and minus (-). Codabar is
commonly used in libraries, blood banks, and air-parcel express applications. The
American Blood Commission (ABC) Codabar requires that you retain the start/stop code
digits when processing a Codabar symbol. The maximum density for a Codabar symbol
is 12.8 characters per inch.
Summary of Contents for Trakker Antares 2420
Page 1: ...TRAKKERAntares 2420and2425 Hand HeldTerminal P N 064024 006 User s Manual...
Page 15: ...nuggetf code39 Contents xv Glossary Index G I...
Page 16: ...xvi...
Page 24: ...xxiv...
Page 25: ...nuggetf code39 Getting Started 1...
Page 26: ...1 2...
Page 60: ...1 36...
Page 61: ...Learning How to Use the Terminal 2...
Page 62: ...2 2...
Page 103: ...Co de 39 Nugget Configuring the Terminal 3...
Page 104: ...Co de 39 Nugget 3 2...
Page 134: ...3 32...
Page 135: ...Operating the Terminal in a Network 4...
Page 136: ...4 2...
Page 173: ...Using Custom Applications 5...
Page 174: ...5 2...
Page 193: ...Troubleshooting 6...
Page 194: ...6 2...
Page 219: ...Running Diagnostics 7...
Page 220: ...7 2...
Page 243: ...Reader Command Reference 8...
Page 244: ...8 2...
Page 268: ...8 26...
Page 269: ...Configuration Command Reference 9...
Page 270: ...9 2...
Page 389: ...Terminal Specifications A...
Page 390: ...A 2...
Page 404: ...A 16...
Page 405: ...Full ASCII Charts B...
Page 406: ...B 2...
Page 415: ...International Character Support C...
Page 416: ...C 2...
Page 427: ...Using the Default Applications D...
Page 428: ...D 2...
Page 438: ...D 12...
Page 439: ...Glossary G...
Page 440: ...G 2...
Page 463: ...Index I...
Page 464: ...I 2...
Page 480: ...I 18...