POLAR S610i - Manual (Page 79)

I. FREQUENTLY ASKED
QUESTIONS
I 77
What should I do if...
...I don’t know where I am in the Options or File cycle?
Press and hold the stop button until time of day is displayed.
...I cannot find the previous exercise’s file?
You may have used the Measure mode during your exercise, which means
that your exercise was not stored. To record the exercise you have to turn
the stopwatch on by pressing the OK button in the Measure mode.
...I cannot find the expended calories from my exercise file?
Check that you have set your personal user information and turned the
OwnCal function on. Check that your heart rate has reached over 90 bpm
or above 60 % of your maximum heart rate during your exercise.
...I cannot turn my HR
max
-p on?
Check that you have set your personal user information and turned the
fitness test on before turning the HR
max
-p on.