Symbol MC9000-G Product Reference Manual page 512

GL-14 MC9000-G Product Reference Guide for Embedded Windows® CE .NET
PING
Print Contrast Signal (PCS)
Programming Mode
Quiet Zone
QWERTY
RAM
Reflectance
Resolution
RF
RFID
RFID Reader
ROM
ROM-DOS
(Packet Internet Groper) An Internet utility used to
determine whether a particular IP address is online. It is
used to test and debug a network by sending out a packet
and waiting for a response.
Measurement of the contrast (brightness difference)
between the bars and spaces of a symbol. A minimum PCS
value is needed for a bar code symbol to be scannable. PCS
= (RL - RD) / RL, where RL is the reflectance factor of the
background and RD the reflectance factor of the dark bars.
The state in which a scanner is configured for parameter
values. See Scanning Mode.
A clear space, containing no dark marks, which precedes
the start character of a bar code symbol and follows the
stop character.
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.
Random Access Memory. Data in RAM can be accessed in
random order, and quickly written and read.
Amount of light returned from an illuminated surface.
The narrowest element dimension which is distinguished
by a particular reading device or printed with a particular
device or method.
Radio Frequency.
Radio Frequency Identification. RFID is a system for tagging
and identifying mobile objects such as store merchandise,
postal packages and sometimes living organisms (like
pets). Using a special device called an RFID reader, RFID
allows objects to be labeled and tracked as they move from
place to place.
Device used to read RFID tags.
Read-Only Memory. Data stored in ROM cannot be changed
or removed.
The name of the licensed Disk Operating System loaded
into the terminal's flash file system.