Measurement System
Reference
3Ć96
To use snapshot, obtain a stable display of the waveform to be measured.
Pressing AUTOSET may help.
1. Press MEASURE ➞ SNAPSHOT (main).
2. Press either SNAPSHOT (main) or AGAIN (side) to take another snap-
shot.
NOTE
The snapshot display tells you the channel that the snapshot is
being made on.
3. Push Remove Measrmnt.
Considerations When Taking Snapshots
Be aware of the following items when using snapshot:
H
Be sure to display the waveform properly before taking a snapshot.
Snapshot does not warn you if a waveform is improperly scaled (clipped,
low signal amplitude, low resolution, etc.).
H
To vary the source for taking a snapshot, simply select another channel,
math, or ref memory waveform and then execute snapshot again.
H
A snapshot is taken on a single waveform acquisition (or acquisition
sequence). The measurements in the snapshot display are not continu-
ously updated.
H
Be careful when taking automatic measurements on noisy signals. You
might measure the frequency of the noise and not the desired waveform.
H
Note that pushing any button in the main menu (except for Snapshot) or
any front panel button that displays a new menu removes the snapshot
from display.
H
Use High-Low Setup (page 3-92), Reference Levels (page 3-92), and
Gated Measurements (page 3-91) with snapshot exactly as you would
when you display individual measurements from the Select Measrmnt
menu.
See
Appendix B: Algorithms
, on page A-9.
See
Measurements
, on page 2-30.
See
Tutorial Example 3: Automated Measurements
, on page 1-17.
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