POLAR S720i - Manual (Page 66)

D 64
D. HOW TO RECALL TRAINING
INFORMATION
The receiver starts saving exercise information
to a file as you start the stopwatch. You can recall
the information in the File mode. In the File mode
there are up to 99 exercise files and a records file,
which keeps track of the cumulative and maximum
exercise values.
Time of Day File Options Fit. Test Connect
F99 ... F1 Records
Your first file is F1, then F2 and so on, until you have recorded maximum 99
exercise files. The bigger the file number the more recent it is.