Motorola VC70N0 Product Reference Manual page 252

Glossary - 4 VC70 Vehicle Computer Product Reference Guide
and translating any network information or request sent by any other ODI-compatible protocol into something a NetWare
client can understand and process.
Open System Authentication. Open System authentication is a null authentication algorithm.
P
Parameter. A variable that can have different values assigned to it.
PTT. Push-to-talk, is a method of having conversations on half-duplex communication lines of a two-way radio, using a
momentary button to switch from voice reception to transmit mode.
Q
QWERTY. A standard keyboard commonly used on North American and some European PC keyboards. "QWERTY" refers
to the arrangement of keys on the left side of the third row of keys.
R
RAM. Random Access Memory. Data in RAM can be accessed in random order, and quickly written and read.
Reflectance. Amount of light returned from an illuminated surface.
Resolution. The narrowest element dimension which is distinguished by a particular reading device or printed with a
particular device or method.
RF. Radio Frequency.
ROM. Read-Only Memory. Data stored in ROM cannot be changed or removed.
RS-232. An Electronic Industries Association (EIA) standard that defines the connector, connector pins, and signals used to
transfer data serially from one device to another.
S
Scanner. An electronic device used to scan bar code symbols and produce a digitized pattern that corresponds to the bars
and spaces of the symbol. Its three main components are: 1) Light source (laser or photoelectric cell) - illuminates a bar
code,; 2) Photodetector - registers the difference in reflected light (more light reflected from spaces); 3) Signal
conditioning circuit - transforms optical detector output into a digitized bar pattern.
SDHC. Secure Digital High Capacity that supports SD cards with capacities up to 32 GB.
SDK. Software Development Kit