Oscilloscope Reference Set up FastFrame Setup tab controls
To use
1. Click the FastFrame button to turn FastFrame mode On or Off.
2. Click in the Event/Frame entry boxes and u se the multipurpose knobs to select the Frame Size,
Duration, and the Number of Events/Frames.
3. Click a None, Average, or Envelope option button from the Summary Frame list to replace the last
frame with one that is the computed, average or envelope, of all frames in the set.
4. Click a Single Sequence Mode Stop Condition option button to define how to stop FastFrame
acquisition.
5. Start the acquisition; it is recommended that you use Single acquisition mode rather than Run/Stop
mode.
NOTE. If you change the oscilloscope controls while Fastframe is running, the controls will be returned to
the u
ser and the maximum number of frames may not b e captured.
Behavior
The Frame Size is the record length and de fi nes the number of samples in each frame.
Th
e Event/Frame Duration defines the number of frames to store in the acquisition memory of a single
channel. The product of the frame size and the event/frame duration is constrained within the available
memory. If more frames are needed, the instrument will automatically decrease the record length; if more
samples are needed, the instrument will automatically decrease the frame count.
NOTE. Because of the overhead associated with each frame, the maximum number of frames the
instrument can capture (from a given record length) is less than the number theoretically possible.
What do you want to do next?
Learn about the Reference Frame and time stamps. (see page 878)
880 DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series
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