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Edge Trigger
The edge trigger type identifies a trigger by looking for a specified edge (rising, falling, or alternating) and
voltage level on a waveform. The trigger type, source, and level are displayed in the lower-center of the
display.
Alternating edge mode is useful when you want to trigger on both edges of a
clock (for example, DDR signals).
The easiest way to set up an Edge trigger on a waveform is to use Autoscale. Simply press the
button and the oscilloscope will attempt to trigger on the waveform using a simple Edge trigger type and
rising slope.
Holdoff, coupling and noise reject can be set in edge trigger, see the sections
Coupling, and
Noise
To set the slope of the edge trigger:
1. Press the
button to enter the trigger menu.
2. Press the
button to select Slope.
•
A dropdown menu containing the available options will appear.
3. Use the
Universal Knob
•
Repeately pressing
Figure 5.9 Edge Trigger
Reject.
Figure 5.10 Slope
to navigate the available options.
will navigate between the available choices.
Trigger
62
Trigger
Holdoff,
Trigger
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