User`s guide

The following events can be configured for control by the
SS420x. If an event type is not configured, it will not be
available for programming in the method.
SS420x Trigger Configuration
Select Trigger in the Name column. Select SS420x for Source.
Then click Setup. The following dialog will appear.
Select the correct Serial Port, trigger number, and initial
trigger state for this trigger. Note: If multiple SS420x boxes
being controlled from the same instrument (each box is on its
own serial port), and external triggering is desired, each box
28 SS420x User’s Guide