EXFO PSO-100 Series Optical Sampling Oscilloscopes - Manual (Page 45)

Setting up and Using the Optical Sampling Oscilloscope
Optical Sampling Oscilloscope 37
Using the Zoom Functions
Using the Zoom Functions
The zoom functions are located on the right hand side of the window. You
can decide to show or hide the zoom menu at any time.
To display the zoom controls:
Click
at the top right hand corner of the window.
To use the zoom controls:
Once you have activated the zoom tools, use the feature that suits your
situation best:
Note: The blue portion of the button indicates which option is currently selected.
Note: Each time that you change the view type for a window, the zoom factor
reverts to the default value.
Reverts to default zoom values
Zooms according to the time or power
axis (the upper part of the zoom tools is
updated accordingly)
Closes zoom tool menu
Lets you select a specific
area where to zoom
In dual- window mode, to use
the zoom tool on both windows
Time or power unit settings
(automatically updated on-screen)
Time or power units
Moves to other sections of the
window when zoom is applied
Zooms in/out automatically
Focuses the zoom function
on top or bottom window
Focal point for zoom function. The
reference is on the horizontal axis for
time, and vertical axis for power