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Basic Operation
MSO5000D Digital Storage Oscilloscope User Manual 41
Trigger Video Standard
Adjusted
Vertical Bandwidth
Full
Vertical Coupling
DC (if GND was chosen before); AC for the video signal; otherwise,
unchanged
VOLTS/DIV
Adjusted
The Autoset function examines all channels for signals and displays corresponding waveforms.
Autoset determines the trigger source according to the following conditions.
If multiply channels get signals, the oscilloscope will use the channel with the lowest
frequency signal as the trigger source.
If no signals are found, the oscilloscope will use the lowest-numbered channel displayed
in Autoset as the trigger source.
If no signals are found and no channels are displayed, the oscilloscope will display and
use Channel 1 as the trigger source.
Sine Wave:
When you use the Autoset function and the oscilloscope determines that the signal is similar to a
sine wave, the oscilloscope displays the following options.
Sine Wave Options
Details
Multi-cycle Sine
Display multiple cycles that have appropriate vertical and
horizontal scales.
Single-cycle Sine
Set the horizontal scale to display about one cycle of the waveform.
FFT
Convert the input time-domain signal to its frequency components
and display the result as a graph of frequency versus amplitude
(spectrum). Since it is a math calculation, see Section 5.3.1 Math
FFT for more information.
Undo Setup
Let the oscilloscope recall the previous setup.
Square Wave or Pulse:
When you use the Autoset function and the oscilloscope determines that the signal is similar to a
square wave or pulse, the oscilloscope displays the following options.
Square Wave Options
Details
Multi-cycle Square
Display multiple cycles that have appropriate vertical and
horizontal scales.
Single-cycle Square
Set the horizontal scale to display about one cycle of the waveform.
The oscilloscope displays Min, Mean and Positive Width automatic
measurements.
Rising Edge
Display the rising edge.
Falling Edge
Display the falling edge.
Undo Setup
Let the oscilloscope recall the previous setup.
5.6.2 Help
Push the HELP button to display the Help menu which provides topics covering all the menu
options and controls of the oscilloscope. For detailed information about the Help system, refer to
Section 2.2.
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