Waveform analysis
R&S
®
RTE
289User Manual 1326.1032.02 ─ 20
To define coupled zoom areas
You can define multiple zoom areas for one diagram that are coupled. If you change
the size of one zoom area, the size of all coupled zoom areas is changed as well. Fur-
thermore, you can couple also the position in order to move all coupled zooms at once.
Coupling is useful, for example, if you want to compare recurring peaks in a signal.
1. On the toolbar, tap the "Coupled Zoom" icon.
2. In the diagram overview, tap an existing zoom area.
The selected zoom area is duplicated.
3. Drag the duplicate zoom area to the required position.
4. To create further coupled zooms, repeat the steps above.
Now, if you change the zoom area size of any of the coupled zoom areas in the
"Zoom" dialog box, the settings are changed for all coupled zoom areas.
5. In the "Zoom" dialog box, select the diagram that contains the coupled zooms.
6. Select a zoom tab.
7. Enable "Position coupling".
If you move one of the coupled zoom areas in the diagram, all other coupled
zooms are moved as well, and their distance is kept unchanged.
To close the zoom diagram
1. Tap the "Delete" icon on the toolbar.
2. Tap the zoom diagram.
The diagram in the overview diagram returns to the original display size.
To use the hardware zoom
In contrast to the normal zoom, the hardware zoom changes the instrument settings -
horizontal and vertical scales, and also the trigger level and offset. Thus, the selected
area is displayed in the diagram instead of the original waveform. No additional zoom
diagram is opened.
1. On the toolbar, tap the "Hardware Zoom" icon.
2. Drag your finger on the touch screen to mark the zoom area.
A dotted rectangle indicates the current zoom area. When the rectangle covers the
required zoom area, remove your finger. The diagram changes and shows the
magnified area.
Tip: To return to the previous display, use the "Undo" icon.
Zoom
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