Microscan EZ Match, Руководство пользователя

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6-14
EZ Match User’s Manual
Start Trigger Character (Non-Delimited)
Start Trigger Character (Non-Delimited)
Important: The ASCII characters < , > , and , can only be entered as hex
pairs:
For < : <K229h,3C>
For > : <K229h,3E>
For , : <K229h,2C>
See ASCII Character Entry Modifier on page 4-33 for a detailed explanation
of how to enter ASCII characters as hex values.
Usage: Useful in applications where different characters are required to start a
read cycle.
Definition: A single ASCII host serial trigger character that starts the read cycle and is
not enclosed by delimiters such as
< and > .
Non-delimited Start characters can be defined and will function according
to the trigger event.
When defining
Start trigger characters, the following rules apply:
• In External Edge the imager looks only for the Start trigger character
and ignores any Stop trigger character that may be defined.
• In External Level the Start trigger character begins the read cycle and
the Stop trigger character ends it. Note that even after a symbol has
been decoded and the symbol data transmitted, the imager remains in
External Level trigger read cycle until a Stop character is received.
• In Serial Data and Edge trigger mode, either a Start trigger character
or a hardware trigger can start an edge trigger read cycle.
Serial Cmd: < K229,start character >
Default: NUL ( 00 in hex; disabled)
Options: Two hex digits representing any ASCII character except XON and XOFF .