User's Manual

164
X-C 6250 Pro Users Manual
79-0003-003 22 October 1999
operating system A set of programs that manage the overall operation
of the computer.
parallel port A port that can be used to connect a printer.
PC card A self-contained, credit card-sized device that can be used to
store programs, data, or to expand the capabilities of your computer.
port An interface between the computer and external devices.
Power On Self Test (POST) A diagnostic test run by the computers
BIOS system when the computer restarts.
power port A port used to connect the external power supply to the
mobile computer.
radio on/off light The right-most light on the indicator panel. If your
computer is equipped with a radio modem, this light turns on when
the radio modem is powered on. When the computer is off, the light
blinks to indicate a message is waiting.
Random Access Memory (RAM) The computers primary working
memory in which program instructions and data are stored so they
are accessible directly to the central processing unit (CPU).
RJ-11 connector A port used by the internal modem to communicate
over standard voice grade telephone lines.
ruggedized The unique design of mobile computers that are built to
withstand rugged and rough environments.
serial port A port that can be used to connect a printer or modem.
slow charge A method of increasing the battery capacity while the
computer is attached to external power. This method uses lower AC
voltage. It takes approximately 16 hours to fully charge the battery
using this method.
software System, utility, or application programs expressed in a
computer-readable language. Software programs tell the hardware
components what to do.
speaker Located on the bottom of the computer, the speaker provides
sound for the unit.