Microscan MS-820 User Manual page 59

Trigger
Continuous Read 1 Output
Usage: Can be useful in applications where it is not feasible to use a trigger and
all succeeding symbols contain different information. It is also effective in
applications where the objects are hand-presented.
Definition: In Continuous Read 1 Output the scanner self-triggers whenever it
decodes a new bar code symbol or a timeout occurs.
If End Of Read Cycle is set to Timeout and the symbol doesn't change,
the scanner will repeat the output at the end of each timeout period. For
example, if Timeout is set to one second, the scanner sends the symbol
data immediately and repeats the output at intervals of one second for as
long as the symbol continues to be scanned.
If End Of Read Cycle is set to New Trigger, the scanner will send the
current symbol data immediately, but send it only once. A new symbol
appearing in the scanner's range will be read and sent immediately pro-
vided it is not identical to the previous symbol read.
Serial Cmd: <Kg1>
Caution: In automated environments, Continuous Read 1 Output is not recom-
mended because there is no one to verify that a symbol was missed.
Note: If Trigger is set to Continuous Read 1 Output, Number of Symbols will
default back to 1 (if set to any number greater than 1).
MS-820 Industrial Bar Code Scanner User's Manual
4-6
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