EXFO MAX-700 - Manual (Page 139)

Analyzing Traces and Events
MAX-700 127
Using Zoom Controls

You can zoom in or out on the graph by first using, respectively,
the or the button, and then by pressing the location where
you want to zoom on the graph with the stylus or your finger.
The application automatically adjusts the zoom by a factor 2 around
the point that was pressed.
To revert to the complete graph view:
Press the
button.
Note: If the Zoom in automatically on defined fiber span feature is selected in the
OTDR setup, the application will zoom in between span start and span
end.
To automatically zoom in on the selected event:
1. Go to the Events tab.
2. From the events table, select the desired event.
3. Press the button to zoom in. Press the button again to zoom
out.