WaveSurfer DSO
WS-OM-E Rev B 63
4. Touch inside the Trigger On data entry field and select a source on which to trigger:
5. Select Positive or Negative slope.
6. Touch inside the has gone data entry field and select the qualifying signal source from
the pop-up menu. If you select an input channel or external source, touch inside the has
gone data entry field and select a logic level: Above or Below. Then touch inside the
Qual Level field and set a voltage level using the pop-up numeric keypad. If you want to
set a holdoff in time or events, touch one of the holdoff buttons:
, , .
7. Touch inside the field below the holdoff buttons and set a value using the numeric
keypad.
Dropout Trigger (optional with WS-ADVTRIG package)
Used primarily in single-shot applications, and usually with a pre-trigger delay, Dropout trigger
can detect lost signals. The trigger is generated at the end of the timeout period following the last
trigger source transition. You can set a timeout period from 2 ns to 20 s.