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Scope Features and Functions
Trigger Modes
The oscilloscope provides two trigger modes: Auto Trigger Mode and Normal
Trigger Mode.
Auto Trigger Mode
In Auto trigger mode, the oscilloscope automatically triggers and captures
waveforms when you click on the Run button.
In many cases, a triggered display is not needed to check signal levels or activity.
For these applications, use Auto trigger mode (which is the default setting). Since
there are no edges on which to trigger, Auto trigger mode is used to display a DC
signal.
Normal Trigger Mode
If you only want to acquire specific events as specified by the trigger settings, use
Normal trigger mode. If you click on the Run button when the oscilloscope is in
Normal trigger mode, a trigger must be detected before an acquisition can be
completed.
Trigger Source
There are three types of trigger source: Channel 1, Channel 2 and External. The
external trigger source can be used as a source in several trigger types. The
trigger source will be the analog channel available on your oscilloscope.
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Keysight U2701A/U2702A User's Guide
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