Trig 1 Polarity: select Positive to generate a rising-edge trigger output, or Negative to generate a falling-edge trigger output.
Trig 2 Polarity: select Positive to generate a rising-edge trigger output, or Negative to generate a falling-edge trigger output.
Trig 1 Out: select the trigger type for Trig 1 Out (Sweeping, Measuring, MainTrigger, GateTrigger, Gate, or OddEvenTracePoint).
Trig 2 Out: select the trigger type for Trig 2 Out (SourceMarker1, SourceMarker2, SourceMarker3, or SourceMarker4).
