POLAR S720i - Manual (Page 23)

B 21
Top You participate regularly in heavy physical exercise at least 5 times
a week. E.g. you exercise to improve performance for competitive
purposes.
Maximum heart rate value (HR
max
)
12. Your age-predicted maximum heart rate value is displayed as a default
setting when you set this value for the first time. If you know your
exact clinically tested current maximum heart rate value, set the
value by scrolling up or down.
13. Press OK.
If you do not know this value, update it in the Fitness Test mode after
having carried out the Polar Fitness Test.
Maximal oxygen uptake value (VO
2max
)
14. The wrist receiver suggests value 35 for females and value 45 for males
as a default setting when you set this value for the first time. If you
know your exact clinically tested current maximal oxygen uptake
value, set the value by scrolling up or down.
15. Press OK. USER SET appears.
If you do not know this value, update it in Fitness Test mode after having
carried out the Polar Fitness Test
To continue your settings, press the stop button or to return to the Time of
day display, press and hold the stop button.