
Chapter 4 Read Cycle
MS-9 Scanner User’s Manual 4-11
Trigger Filter
Duration
External Trigger State
Note: External Level, External Edge, or Serial Data or Edge trigger mode must be
enabled for External Trigger to take effect.
Usage: Useful where trigger bounce could cause false triggers.
Definition: Trigger Filter Duration can prevent trigger bounce from falsely trigger-
ing the scanner by limiting the time in which trigger pulses can be
received.
Serial Cmd: <K200,trigger mode,trigger filter duration>
Default: 320 (x 31.25 µs = 10 ms)
Options: 0 to 65535 (corresponding to 0 to 2.047 s in 31.25 µs steps)
Usage: Users can select the trigger state that will operate with their systems.
Definition: When enabled for Active Closed the triggering device imposes a current
on the optoisolator to activate the read cycle. When enabled for Active
Open the triggering device interrupts the current to the optoisolator to
activate the read cycle.
Serial Cmd: <K202,external trigger state>
Default: Active Closed
Options: 0 = Active Open 1 = Active Closed
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