TRAKKER Antares 2420 and 2425 Hand-Held Terminal User’s Manual
G-4
API
Application programming interface. A well-defined interface to routines that an
application can use to request and perform system-level tasks.
application
A software program or program package that makes calls to the operating system and
manipulates data files allowing a user to perform a specific job.
ASCII
American Standard Code for Information Interchange. A standard 7-bit code usually
transmitted with a parity bit for a total of 8 bits per character. Contrast with “EBCDIC.”
ASCII control character
One of the first 32 characters (0 through 31 in decimal representation) in the ASCII
character set. Each of these characters has a standard control function, such as backspace
or carriage return.
audio signals
The terminal has a beeper and a clicker that produce audio signals to indicate terminal
status. You can change the beep volume and enable or disable the keypad clicker with
configuration commands.
Automatic mode
See Scanner mode.
automatic shutoff
A terminal configuration feature that defines the maximum time the terminal stays on
when there is no activity. At automatic shutoff, the contents of terminal memory are
saved and the terminal resumes when it is turned on again.
backlight
A light built into the terminal screen to make it easier to view the screen in dimly lit
environments.
backup battery
See NiCad backup battery.
bandwidth
The size in hertz of the frequency range that a signal transmission occupies. Typical
narrow band signals occupy a 25 KHz bandwidth. The 2.4 GHz radio frequency signal
occupies a 1 MHz bandwidth.
To Next Page
Loading...
