Trigger
66
State
Triggers when the signal enters or leaves a voltage level and stays there for a specified time. This is useful for detecting
when a signal gets stuck at a particular level.
Figure 9.19
Dropout Trigger State
To select
State 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
State
.
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.