Microscan MS-820 User Manual page 215

Symbol Length. (SL) Regardless of orientation, the measurement taken across the
symbol's bars from one end to the other, including the quiet zone.
Symbol Speed. (SS) the distance per second that a symbol moves in a dynamic appli-
cation.
Symbol Transitions. The transition of bars and spaces on a symbol, used to detect the
presence of a symbol on an object.
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-820 Industrial Bar Code Scanner User's Manual
A-42
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