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Glossary of Terms

The Intermec glossary provides definitions of technical terms used to describe systems, devices, solutions and applications within the Automated Data Capture Industry.

Fast Setup
A quick configuration program that runs on the controller GUI. Generally, Fast Setup is used to demonstrate the controller, but you can also use it to configure your network if it is a simple one. See also Advanced Setup.
FCC
Federal Communications Commission. U.S. federal government agency responsible for setting and enforcing regulations associated with telecommunications.
FDC
1. Factory data collection system. 2. Floppy disk controller, which regulates the floppy disk.
feed
A printer control panel button that advances the media.
feed/pause
A printer control panel button that advances the media and causes the printer to pause printing.
field
1. A graphic element that is the basic unit of a format. The four basic types of fields are bar code, graphic, line, and text. 2. An area of a host window to which data can be written.
field-formatted screen
A window on a host such as an AS/400 in which input is restricted to specific areas.
FIFO control register (FCR)
First in/first out control register. The FCR contains a hex value that controls how the UART buffer operates. You may need to configure the JANUS reader/device to restore a hex value for the FCR in case you turn off the reader while running a communications application that uses UART 16x550 mode.
file
A collection of related records. DCM recognizes and routes files that have the extensions: .IRL, .CMD, .DAT, and .PF.
film master
A photographic film of a specific bar code or optical character recognition (OCR) symbol that is used to produce a printing plate.
firmware
Software routines stored in read only memory (ROM). Unlike random access memory (RAM), ROM stays intact even without electrical power. See also software.
first read rate (FRR)
The ratio of the number of successful reads on the first scanning attempt to the number of attempts. Commonly expressed as a percentage.
fixed data field
Bar code and text fields that never vary from one label to the next; the data in a fixed field is a permanent part of the format.
fixed format
A format in which the data never varies from one label to the next, such as with a return address label. A fixed format needs no additional data to print a label.
fixed length
Characteristic of a bar code symbology in which the number of characters per symbol is predetermined. Opposite of variable length.
flag character
A character with a data format of fixed position, with contents that vary over a specified range of values; each value representing significant information that is presented to a data processing system.
flash memory
A type of nonvolatile memory. Flash memory must be erased in blocks and is commonly used as a supplement to or replacement for hard disks in portable computers and data collection devices.
flash PC card
A type of memory PC card that provides additional disk storage space, not more executable conventional memory, on the reader. Flash cards retain their data without the use of a backup battery.
flash ROM drive
Drives C and D on the reader are ROM drives that are implemented in flash memory. Drive C is upgradeable, but has limited write capability. Drive D cannot be modified. Both drives use a file allocation table (FAT) type format.
flow control
A method for controlling the flow of data between the reader and the serial port. It stops the transmitting device from sending data when the receiving device buffer fills up and starts it again when the buffer empties. This can be done through software (XON/XOFF) or hardware (CTS/RTS).
font
A character set of a given type size and style.
font-independent OCR
Optical character recognition by generalized algorithms, allowing for wide ranges of character fonts. In the most general case, font-independent OCR extends to bar code patterns as well.
foreground
Programs running in the foreground can be directly controlled (with the keyboard) by the operator. Several background programs may be running simultaneously, but only one foreground program can run at a time.
form feed
A printer control panel button that advances the media.
format
The geometric construction rules that define a particular bar code or symbol.
format file
A collection of printer commands and data that determines the arrangement of fields on a label.
frequency hopping
A spread spectrum technique by which the band is divided into a number of channels and the transmissions hop from channel to channel in a prespecified sequence.
FRR
First read rate. Percentage representing the number of successful reads per 100 attempts for a particular symbol; used as an approximation of "human friendliness" of the bar code reader and symbol to the operational environment.
full ASCII
An operating mode that sets the reader to properly decode Code 39 or Code 93 labels containing data that may include any of the 128 ASCII characters.
full duplex
A data communication term pertaining to a simultaneous two-way independent transmission. See also half duplex.
Function Left key
The Function Left key is a special key on the keypad. You use the ) key to type characters or perform functions that are printed on the left side above the key. When you press )w, the key is held in a buffer and the Function Left key icon appears on the terminal's display. Once you press a key other than )w, the key combination is entered into the terminal and the icon disappears from the display.
function library
A collection of ready-made code that can be used for specific programming tasks. The code can be implemented in an ERP program or called by external applications.
Function Right key
The Function Right key is a special key on the keypad. You use the ( key to type characters or perform functions that are printed on the right side above the key. When you press (w, the key is held in a buffer and the Function Right key icon appears on the terminal's display. Once you press a key other than (w, the key combination is entered into the terminal and the icon disappears from the display.
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