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Acquisition Preview
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 when 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
There is no acquisition preview in Fast Acquisitions mode.
Waveform Display
In general, the method of displaying a waveform is to:
 Define the waveform (math and reference waveforms only)
 Enable the waveform display
The following table summarizes this process as it applies to the different types of waveforms.
Waveform To define To display
Channel: Ch1 – Ch4 Channels are predefined Push the Vertical CH n
button to toggle the
channel display on or off.
Reference: Ref1 – Ref4 Define an active reference
waveform by:
 Saving a
channel,
reference, or
math
waveform to
one of
locations Ref1
- Ref4.
 Recalling a
waveform
previously
saved to a file
into one of
locations
Ref1 - Ref4.
Perform these operations
from the File 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 existing sources
(channel, math, and
reference waveforms;
measurements).
From the Math Setup
control window, click
Display on the Math n tab
to toggle the math
waveform display on and
off.
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