Message Output; Figure 8-2 Output Message Flow - Microscan MS-3 Manual Book

Chapter 8

Message Output

The following flow chart explains the logic paths taken for Noread, Bad Bar Code
and No Bar Code outputs.
Start of Read
Cycle
Scans until end
of read cycle
Does the
scanner decode
the symbol?
No
Is
Transition
Counter Thresh-
old enabled?
Yes
Is
Transition
Counter Threshold
met?
No

Figure 8-2 Output Message Flow

MS-3 Laser Scanner User's Manual
Note: When Transition Counter Status is
enabled, the scanner will test for a minimum
number of bar and space transitions. If that
minimum threshold is met, a Bad Bar Code
message is sent; otherwise a No Bar Code
message is sent.
Yes
Scanner
sends the
No
Noread
message
(if enabled)
Scanner
sends the
Yes Bad Bar Code
message
(if enabled)
Scanner
Scanner
sends the
outputs the
No Bar Code
No Symbol
message
message
(if enabled) (if enabled)
End of
read cycle
Data Outputs
8-7