Extract the folder that inside the ZIP file and put it on your desktop (or anywhere else you want to keep the code and any data saved by the application). Enter the folder and double-click on the file IOLabCEF.bat
You need to be running OSX 10.7.5 or higher. Put the downloaded and extracted application IOLab.app wherever you want it. Double-click on IOLab.app to run the application.
When the "graph" icon is selected (the default), the mouse is used to select regions for analysis. Left-click and dragging will select a region the region (shaded blue) for which averages are displayed. Left-clicking without dragging will move the FFT region (shaded gray) when FFT analysis is enabled.
When the "magnifying glass" icon is selected, the mouse is used to select a rectangular region for zooming. Double clicking on the plot in this mode will reset the zoom to the initial default values. Zooming in on one of the plots sets the time axis for all of the plots to be set to the same region as the plot being zoomed on, keeping the time axis the same on all plots.
When the "compass" icon is selected the mouse is used to pan left & right & up & down on a plot. Moving one plot horizontally causes all of the plots to be moved horizontally, keeping the time axis the same on all plots.
You can save data after you record it by click on on the Export Data button. On your PC the data is written to a folder called IOLab-Workfiles inside the application folder. On your Mac the data is written to a folder called IOLab-Workfiles in your Document area.