Polar Electro F11 User Manual page 9

Fitness Test Trend
Select
Test > TREND
In the Trend menu, you can see how your
OwnIndex value has been developing. Up to 47
OwnIndex values and respective dates can be
included in the display.
To delete an OwnIndex value, press and hold
LIGHT. DELETE VALUE?
Generally, it takes an average of six weeks of
regular training to improve your aerobic fitness
noticeably. To best improve your aerobic fitness,
you need to exercise large muscle groups.
is displayed. Select YES .
ENGLISH
Before Exercise 9