Microscan MS-3 Manual Book page 202

Symbol. A bar code. A decodable graphic pattern containing information that is rec-
ognized by a bar code scanner or reader.
Symbol Data. The information that is transmitted from a decoded bar code symbol.
Symbol Height. Regardless of orientation, the measurement taken along the length
of a symbol's individual bars.
Symbol Length. Regardless of orientation, the measurement taken across the sym-
bol's bars from one end to the other, including the quiet zone.
Symbol Speed. The distance per second that a symbol moves in a dynamic applica-
tion.
Symbol Transitions. The transition of bars and spaces on a symbol, used to detect
the presence of a symbol on an object.
Symbology. A code type, such as Code 39 or Code 128, with special rules to define
the widths and positions of bars and spaces to represent specific numeric or alphanu-
meric information.
Tilt. Symbol (or scanner) rotation around the centerline of the scan beam.
Timeout. The termination of a read cycle or other routine by time.
Timeout Duration. The actual time that elapses during a read cycle or other timed
routine.
Tracking. Adjustment of the precision of analog-to-digital conversion.
Transmit. Send or convey signals or information from one device to another.
Transparent. Data that passed between the auxiliary port and the host with keyed
data echoed to the auxiliary port
Trigger. A signal, transition, or character string that initiates a read cycle.
Watchdog Timer. A security device that detects system crashes and attempts to
reset the scanner.
Watchdog Reset. A reset that is forced whenever the software locks up.
Wild Card. User-defined character entered into a master symbol to permit matches
with variable characters.
MS-3 Laser Scanner User's Manual
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