Symbol PTC-2124, Руководство пользователя

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Chapter 3 Configuring TN-3270/5250
92 PTC-2124 User’s Guide
mAh
Milliampere hour(s). A measurement of the ability to
provide electrical power.
modem
Modulator-demodulator. A communication device that
converts serial digital data from a transmitting device
to a signal suitable for transmission over a telephone
line and then reconverts the signal to serial digital
data for the receiving device.
MS-DOS
Microsoft Disk Operating System.
network
An interconnection of computer systems, terminals,
and data communication facilities.
nickel-cadmium battery
A type of rechargeable battery used to power some
PTCs. The PTC-2124 contains a nickel-cadmium
bridge battery.
PCMCIA
A type of standard interface used in the PTC-2124. It
enables the PTC to connect to many standard devices,
including data cards and PCMCIA modems.
pen operating environment
An operating environment, usually running on top of
MS-DOS, that enables the use of your finger or a
stylus with the PTC. The PTC-2124 uses the
PenRight! pen operating environment.
prompt
Words or symbols shown on the PTC’s or PC’s display
to guide the operator through the steps of an
application. Prompts are defined in the application
program.
PTC
Portable Teletransaction Computer. A programmable,
battery-powered, hand-held device used to collect,
store, and transmit/receive data.
RAM
Random access memory. In a PTC, RAM chips store
the program files and data entered by the operator.
reduced power state
A power-saving feature of the PTC. The PTC is
capable of slowing or turning off portions of its
electronics to extend battery pack support time. This
feature occurs automatically when the PTC has not
been used for a predetermined period of time or is
suspended using the On/Off button.