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oscilloscope will fill the post-trigger buffer and display the data in the acquisition
memory. If the acquisition is activated via , the oscilloscope will repeat this
process; if the acquisition is activated via , the oscilloscope will stop after
finishing a single acquisition (you can pan and zoom the currently displayed
waveform).
This oscilloscope provides Auto, Normal, and Single trigger modes. The default is
Auto.
In the trigger control area on the front panel, press to quickly switch the
current trigger mode. The trigger mode is displayed at the upper-right corner of the
screen: A (Auto), N (Normal), and S (Single).
• Auto: In this trigger mode, if the specified trigger conditions are not found, the
oscilloscope will initiate a trigger and capture waveforms forcibly. This trigger
mode should be used when the signal level is unknown or the DC should be
displayed as well as when forcible trigger is not necessary as the trigger
condition always occurs.
• Normal: In this trigger mode, triggers and acquisitions only occur when the
specified trigger conditions are found. This trigger mode should be used when
the signal is with low repetition rate or only the event specified by the trigger
setting needs to be sampled as well as when auto trigger should be prevented to
acquire stable display.
• Single: In this trigger mode, the oscilloscope performs a single trigger and
acquisition when the specified trigger conditions are found, and then stops. This
trigger mode should be used when you need to perform a single acquisition of
the specified event and analyze the acquisition result (you can pan and zoom the
currently displayed waveform, and the subsequent waveform data will not
overwrite the current waveform). After a single trigger mode is initiated, the
operating status of the oscilloscope turns out to be in "STOP" state.
NOTE
In Normal and Single trigger modes, pressing can generate a trigger signal forcibly.
To Trigger the Oscilloscope
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