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Trigger Parameter Setting:
Sets the trigger parameters (trigger coupling, trigger holdoff and noise rejection)
under this trigger type. For details, refer to descriptions in "
Trigger Coupling
", "
Trigger
Holdoff
" and "
Noise Rejection
".
Trigger LEVEL/Threshold Level:
Rotate the Trigger LEVEL knob to adjust the trigger level or threshold level. Please
refer to descriptions in "
Trigger LEVEL/Threshold Level
". The current trigger level/
threshold level is displayed at the upper-right corner of the screen.
8.7.2 Pulse Trigger
Triggers on the positive or negative pulse with a specified width. In this mode, the
oscilloscope will trigger when the pulse width of the input signal satisfies the
specified pulse width condition.
In this oscilloscope, positive pulse width is defined as the time difference between the
two crossing points of the trigger level and positive pulse; negative pulse width is
defined as the time difference between the two crossing points of the trigger level
and negative pulse, as shown in the figure below.
Trigger Level
+Width
A
B
-Width
A
B
Trigger Level
Figure 8.3 Positive Pulse Width/Negative Pulse Width
Trigger Type:
Press
Type, and then rotate the multifunction knob to select "Pulse". Press down
the knob to select the trigger type. Then, the current trigger setting information is
displayed at the upper-right corner of the screen, as shown in the figure below. You
can also press Type continuously or enable the touch screen to select it.
Source Selection:
To Trigger the Oscilloscope
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