EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 315)

Managing Results
OSA 309
Using Zoom Controls
Using Zoom Controls
Use the zoom controls to change the scale of the trace display.
You can zoom in on or out of the graph using the corresponding buttons or
let the application automatically adjust the zoom on the currently selected
peak from the results table.
You can quickly zoom in on or out of a selected peak.
You can also return to the original graph value.
The application provides an automatic zoom on peak feature. When this
feature is activated and you press on a row in the peak results grid, the
graph will zoom and tab to show that peak covering 33 % of the graph
canvas. By default, this option is deactivated.
Note: You cannot select channels on the graph when the markers are displayed.
Note: You can only move the markers with the button.
Selection mode
Move view area
Zoom in on the defined area
Zoom in
Full view
Zoom out
Auto zoom on peak