Trigger
65
9.2.7
Dropout Trigger
Dropout trigger includes two types: edge and state.
Edge
Triggers when an edge followed by a specified time with no edges is detected. This is useful for triggering on the end of
a pulse train.
Figure 9.18
Dropout Trigger Edge
To select
Edge Dropout Trigger
type:
1.
Press the Setup key or use the touchscreen controls to enter the
Trigger Menu
.
2.
Use the touchscreen to select
Type
.
3.
will appear.
–
Use the touchscreen to select
Dropout
.
4.
Use the touchscreen to set the
Over Time Type
to
Edge
.
5.
Use the touchscreen to toggle the
Slope
between
Rising
and
Falling
.
Trigger source, slope (rising, falling), dropout type and time value can be set in the trigger dialog box. Holdoff, coupling,
and noise reject can be set in edge trigger, see the sections
for more
details.
