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Trigger lines change colours to indicate the trigger is armed.
•
Clear All Triggers
—deletes all previously set trigger levels.
If triggers are set the menu options are:
•
Clear Trigger
—deletes set trigger levels for the highlighted parameter.
•
Disarm Trigger
—de-activates event capture capability.
•
Clear All Triggers
—deletes all previously set trigger levels.
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To set trigger levels:
1.
Highlight the parameter to be used for triggering the recording.
2.
Select the
Trigger
icon.
3.
Select
Set Trigger
from the drop-down menu.
A graph of the highlighted parameter with a trigger toolbar above it fills the main body of the
screen (
).
Figure 3-18 Trigger set screen
The trigger level line displays as a solid line running horizontally across the data graph. An
upper and lower trigger level must be set, the upper level is set first.
4.
Select the plus (
+
) and minus (
–
) icons on the toolbar, or use the up
b
and down
d
arrow
buttons to position the upper trigger level to where you want it on the graph.
5.
Select
a
on the toolbar, or press the
Y/
a
button, to set the upper threshold.
A lower trigger level line now appears at the mid-point of the graph.
6.
Select the plus (
+
) and minus (
–
) icons on the toolbar, or use the up
b
and down
d
arrow
buttons to position the lower trigger level line to where you want it on the graph.
7.
Select
a
on the toolbar, or press the
Y/
a
button, to set the lower threshold.
The display returns to the PID data view and the trigger points appear as horizontal lines across
the designated parameter graph. Repeat this procedure to establish trigger points for other
parameters if desired. Once armed, any data points that register outside of your set conditions
pause data collection and save data to a file.
