4. Operating Instructions
Figure 4.22. Selecting a difference trace.
4.9.2. Annotate a Trace
Entire traces, individual points on a trace, or a range of points on a trace can be annotated. If an
individual point on a trace needs to be annotated, move the active cursor to that point. If a range
of points on a trace needs to be annotated, move the active and inactive cursors to the starting and
ending points of the range. To create an annotation:
1. Press the SCAN button. The Scan menu appears.
2. Select Annotations. See Figure 4.23. The Annotations menu appears. See Figure 4.24.
3. Press Create Annotation.
4. A dialog box appears. Press the Show Keyboard menu option to display the on-screen
keyboard, or use a USB keyboard to enter the text that needs to be annotated to the trace.
See Section 3.10.1 for more information on the on-screen keyboard and navigating dialog
boxes.
5. Notate a specific point along a trace by toggling on Set Start Point. See Figure 4.25. The
start point will be set to the active cursor. Toggle on both Set Start Point and Set End Point
to apply an annotation to the range of points on a trace between the active and inactive
cursors. See Figure 4.26. If both the start and end points are toggled off, then the annotation
applies to the entire trace.
6. Press the OK button to finish creating the annotation.
56 CT100B TDR Cable Analyzers Operator’s Manual
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