EXFO IQS-1500 Power Meters for IQS-500/600 - Manual (Page 65)

Performing and Analyzing Graph Acquisitions
Power Meters 57
Using the Zoom Function
³
allows you to move around the trace to view areas not currently
displayed. You can pan upwards and downwards, as well as to the left
and right.
Note: You can only pan to the right and left if the time scale length is larger than
the portion displayed on the screen.
To revert to the original trace size, click in the Graph Center.