Manual

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3.3 Automatic Settings and Run/Stop Mode
Auto Setting
When measuring an unknown signal, the auto setting function can be used
to allow the oscilloscope to automatically adjust the vertical and horizontal
scale, range, and trigger to display the signal.
To use this function, input a channel to either or both channel 1 and 2.
Then press the button. Within a few seconds, the oscilloscope will
adjust and display the waveform to fit inside the display window. At this
point, press the button to select how the waveform should be
displayed.
Figure 15 - Auto Setting
Press to select the waveform showing multiple cycles.
Press to show a single cycle of the waveform if frequency is
detected.
Press to show the waveform triggered on its rising edge.
Press to show the waveform triggered on its falling edge.
Press to undo the automatic setting and revert back to the previous
settings.