190 Series III
Users Manual
36
Replay, Zoom and Cursors
This section covers the capabilities of the analysis functions Cursor, Zoom, and Replay. These
functions can be used with one or more of the primary functions Scope, TrendPlot or Scope
Record. It is possible to combine two or three analysis functions.
A typical application uses these functions:
• replay the last screens to find the screen of special interest
• zoom in on the signal event
• make measurements with the cursors.
Replay the 100 Most Recent Scope Screens
When you are in Scope mode, the test tool automatically stores the 100 most recent screens.
When you press the HOLD key or the REPLAY key, the memory contents are frozen. Use the
functions in the REPLAY menu to go back in time by stepping through the stored screens to find
the screen of your interest. This feature lets you capture and view signals even if you did not
press HOLD.
Replay Step-by-Step
To step through the last scope screens:
1. From Scope mode, press
R open the REPLAY menu.
Observe that the waveform is frozen and that REPLAY appears at the top of the screen. See
Figure 20.
2. Press 1 to step through the previous screens.
3. Press 2 to step through the next screens.
Observe that the bottom of the waveform area displays the replay bar with a screen number
and related time stamp.
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