Microscan MS-2 User Manual download pdf (Page 57)

MS-2 CCD Reader User’s Manual 4-11

Read Cycle

Start Trigger Character (Non-Delimited)

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 reader 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 reader 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 trigger character>

Default: NUL (00 in hex) (disabled)

Options: Two hex digits representing any ASCII character except XON and XOFF.

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Microscan MS-2 User Manual Page 57