Displaying Waveforms
TDS5000 Series User Manual
3- 101
The acquisition preview attempts to show what the next acquisition will look
like when the acquisition is delayed due to slow triggers or long acquisition
duration, or the acquisitions have stopped. Acquisition preview recalculates math
waveforms, but does not represent changes in trigger levels, trigger modes, or
different acquisition modes.
Acquisition preview has some limitations. For example, if the record length is
changed, the waveforms are erased. Changing the horizontal scale can change the
record length in some cases.
Note that there is no acquisition preview in Fast Acquisitions mode.
Use these features to optimize the oscilloscope display to support your data
analysis tasks.
Waveform Display. In general, the method of displaying a waveform is to:
H Define the waveform (math and reference waveforms only)
H Enable the waveform display
Table 3--6 summarizes this process as it applies to the different types of
waveforms.
Table 3- 6: Defining and displaying waveforms
Waveform To define To display
Channel: Ch1 -- Ch4 Channels are predefined Push the Vertical CH n button to toggl e the channel
display on or off.
Reference: Ref1 -- Ref4 Define an active reference waveform by:
H Saving a channel, reference, or math waveform
to one of locations Ref1 -- Ref4.
H Recalling a waveform previously saved to a file
into one of locations Ref1 -- Ref4.
Perform these operations from the Fil e menu.
From the Reference Setup control window, click
Display on the Ref n tab to toggle the reference
waveform display on and off.
Math: Math1 -- Math4 Create a math waveform using exist ing sources
(channel, math, and reference waveforms;
measurements). Depending on the options you have
purchased, several methods may be available for
using calculations to create math waveforms.
From the Math Setup control wi ndow, click Display
on the Math n tab to toggle the math waveform
display on and off.
Acquisition Preview
Display Methods
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