Microscan MS-7100 User Manual page 130

Appendices
Read Cycle. A programmed period of time or condition during which the
scanner will accept bar code label input.
Read Rate. The percentage of reads decoded by the scanner.
Read Range. The distances in which a label can be reliably read, as mea-
sured from the front of the scanner. See "Depth of Field."
Relay Driver. A TTL signal sent by the scanner. The output is determined
by the relay driver selection during configuration.
Scanner. A scanning device which is comprised of a scan head and a
device integrated in one package.
Scan Rate. Number of scans per second that the scanner projects.
Scan Width. That portion of the scan line in which a label can be read,.
Serial Commands. On line data strings (including configuration and opera-
tions) from a host or other device to the scanner, which are always pre-
ceded by a < left angle bracket symbol (unless redefined by Command
Start Character command) and followed by a > right angle bracket symbol.
Serial Configuration. Serial command specifically for changing configura-
tion.
Skew. Label (or scanner) rotation around the center of the skew axis.
Specular Reflection. The direct, mirror-like reflection of laser light back to
the scanner, causing over-light saturation.
Symbology. A set of bar code symbols, such as Code 39 or Code 128,
which have special rules to define the widths and positions of bars and
spaces to represent specific numeric or alphanumeric information.
Tilt. Label (or scanner) rotation around the centerline of the scan beam.
Timeout. A user-selected period of time that ends a scanner's read cycle.
Tracking. Parameter of analog-to-digital converter which affects the accuracy
to the digitized signal.
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MS-7100/7180 Industrial Scanner User's Manual