Oscilloscope Reference File menu
File menu
Use the File menu for basic fi le operations such as saving, recalling, and deleting waveforms or setups.
You can also use the File menu for standard Windows operations such as printing files and loading the
most recent s
etup.
Force a trigger
Click this button to force the instrument to trigger and complete the current acquisition, regardless of
whether an
y other trigger event occurs.
NOTE. This command has no effect if the acquisition system is not running.
Frame
A frame
is a segment of the entire data record. When used with FastFrame, each segment contains all
of the data of a single acquisition. Each captured event is stored sequentially in its own frame. Frames
appear in the order they were captured.
Frequency
This timing measurement is a measure of the first cycle in a waveform or gated region. Frequency is the
reciprocal of the period; it is measured in Hertz (Hz) where one Hz is one cycle per second.
Frequency span
The frequency span is the range of frequencies over which the spectral analysis is performed. The
maximum span is from DC to one half of the sample rate (the Nyquist frequency). A smaller frequency
span allows a greater range of center-frequency a djustment. If a larger frequency span is desired, increase
thesamplerate.
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 821
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