Displaying Waveforms
3- 128 CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
HThe 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--185 for more
information on math waveforms.
HAll 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:
HVertical Acquisition Window Considerations on page 3--20
HHorizontal Acquisition Window Considerations on page 3--23
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--32.
Time of first point Horizontal
reference point
Time of last point
Trigger point
Horizontal position
Waveform record
Figure 3- 32: Horizontal Position includes time to Horizontal Reference