EXFO IQS-1700 High Performance Power Meter for IQS-500/600 - Manual (Page 87)

Performing and Analyzing Graph Acquisitions
High Performance Power Meter 79
Using the Zoom Function
Using the Zoom Function
Once you have performed an acquisition, you can use various zooming
tools to help you analyze it.
To access and use the zoom tools:
Click the Zoom Control tab of the Graph Center.

allows you to enlarge a precise portion of the trace by dragging a
zone over it. Simply drag the cursor to cover the area you wish to see
and release the mouse button to enlarge the area.

allows you to enlarge a precise portion of the trace horizontally,
meaning that the time scale will enlarge and the power scale will
remain the same.

allows you to enlarge a precise portion of the trace vertically,
meaning that the power scale will enlarge and the time scale will
remain the same.