187
Field choices
A set of direct-entry values (or values that can be scrolled) from which
a user may select to populate a field (feature) on an RSS screen.
File
A collection of data or information stored on a computer disk or
diskette that can be read by a computer. If a file is “executable” (a .EXE
at the end of a file name), it is sometimes called a command or a
program. Also see “Archive file”.
Fixed disk
See “Hard Disk”.
Floppy disk
See “Diskette”.
Floppy disk drive
A disk drive that uses removable magnetic disks.
Frequency
The location of an RF channel operating in the radio spectrum
(typically measured in MHz).
Function keys
The ten (or twelve) keys located on the PC keyboard that are labeled
F1
through
F10
(or
F1
through
F12
) that perform specific functions
within the RSS.
GET
The computer action that transfers data from a radio codeplug or from
a radio archive file to the computer’s RAM for use by an RSS user.
Synonymous with “read”.
Hard disk
An alterable permanent magnetic storage medium with a much larger
storage capacity than a diskette, located inside the computer’s system
unit, not visible from the outside. Typically a microcomputer hard
disk can store 10 to 200 million pieces of data, compared to
approximately 400,000 to one million pieces for a diskette.
Help
An on-line reference manual accessed using the
F1
function key. Press
the
F1
function key at any time for additional information about the
current menu or highlighted data field on a screen.
Highlighting
Displaying text on the display by using dark letters on lighter
background or vice versa.
Home channel
The channel the user was on prior to pushing the scan button.
Inverse video
Displaying text on the monitor by inverting the video. (For instance,
black becomes white and white becomes black.)
kHz
Kilohertz, thousands of cycles per second.
Logic board
The circuit board within the radio that contains the embedded
microprocessor and other logic-related components.
Menu
Contains a list of functions that can be selected and performed by
pressing a function key. Also see “Screen”.
Microcomputer
A personal computer that comprises a keyboard, a monitor, and a
system unit (used to program features into and control the
functioning of the radio).
MHz
Megahertz, million of cycles per second.
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