Displaying Waveforms
CSA7000B Series & TDS7000B Series Instruments User Manual
3- 123
H The instrument displays a math waveform with the horizontal settings
derived from the math expression that creates it. You cannot change these
directly. See Creating and Using Math Waveforms on page 3--167 for more
information on math waveforms.
H All waveforms are displayed fit-to-screen; that is, within the horizontal
divisions that the graticule provides. However, some waveforms may be
wider or narrower than the full graticule due to acquisition rate/time scale
combinations and acquisition preview.
Display and Acquisition Controls. For channel waveforms, the vertical and
horizontal controls that you set also adjust the instrument acquisition parameters.
See the following descriptions for more information:
H Vertical Acquisition Window Considerations on page 3--18
H Horizontal Acquisition Window Considerations on page 3--20
Horizontal Position and the Horizontal Reference. The time values that you set for
horizontal position are from the trigger point to the horizontal reference point.
This is not the time from the trigger point to the start of the waveform record
unless you set the horizontal reference to 0%. See Figure 3--33.
Time of first point Horizontal
reference point
Time of last point
Trigger point
Horizontal position
Waveform record
Figure 3- 33: Horizontal Position includes time to Horizontal Reference
Mouse and Touch Screen Operation. In general, anything that you can do with the
mouse, you can do by touching the screen, if the touch screen is on. You can
select or change all menus and buttons that are displayed on screen by mouse
clicks or touching the on-screen control while the touch screen is on.
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