Push a Multipurpose knob to enable the Fine mode for making smaller increment changes. Push the knob again to exit
Fine mode.
3. Trigger controls:
■
Force forces a trigger event at a random point in the waveform and captures the acquisition.
■
Level sets the amplitude level that the signal must pass through to be considered a valid transition. The color of the
Level knob indicates the trigger source except for dual-level triggers. The Level knob is disabled when the trigger type
requires two level settings or other trigger qualifiers (set from the Trigger configuration menu). Push the knob to set the
threshold level to 50% of the peak-to-peak amplitude range of the signal.
■
Slope sets the signal transition direction to detect (low to high, high to low, or either direction). Push the button to cycle
through the selections. The Slope button is disabled when the trigger type requires other slope qualifiers (set from the
Trigger configuration menu).
■
Mode sets how the instrument behaves in the absence or presence of a trigger event.
■
Auto trigger mode enables the instrument to acquire and display a waveform whether or not a trigger event occurs. If a
trigger event occurs, the instrument displays a stable waveform. If a trigger event does not occur, the instrument forces
a trigger event and acquisition and displays an unstable waveform.
Normal trigger mode sets the instrument to acquire and display a waveform only when there is a valid trigger event. If
no trigger occurs, the last waveform record acquired remains on the display. If no last waveform exists, no waveform is
displayed.
Getting acquainted with your instrument
MSO54, MSO56, MSO58 Installation and Safety Manual 9
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