# How to view High Speed Data
Open the viewer:
Press the 'Choose File' button, and select the data file that you downloaded using ANT-FS
A graph with plots will load on the screen. \
\- Click and drag inside the plot area to zoom in on a section of data\
\- Click on the data fields in the legend to turn plots on and off\
\- Click 'All' to return to the full screen view
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