POLAR F55 - Manual (Page 82)

84 ENGLISH
11. View Extra User Settings: It is recommended that you change the following settings (HR
max
, VO
2max
) only if you know
your laboratory-measured value. Press OK to enter Extra User Settings. Alternatively, press and hold the Back button
to return to the Time of Day display.
12. Maximum heart rate value (HR
max
): Press the / buttons to set your maximum heart rate. Press OK.
HR
max
is the highest number of heartbeats per minute (bpm) during maximum physical exertion. The most accurate way of
determining your individual HR
max
is to perform a maximal exercise stress test in a laboratory. HR
max
is a useful tool for
determining the intensity of exercise. HR
max
is used in the estimation of energy expenditure.
13. Heart rate value in a sitting position (HR
sit
): Press the / buttons to set your heart rate value in a sitting position.
Press OK.
HR
sit
should be your typical heart rate when you are not doing any physical activity (while sitting). HR
sit
is used in the
estimation of energy expenditure. To easily determine your HR
sit
, sit down and put on your wrist unit and transmitter. Start
the measurement to show your heart rate value on the display. Look at your wrist unit after 2 to 3 minutes. This is your HR
sit
.
To more precisely calculate your HR
sit
, wear your Polar heart rate monitor for one normal day. Occasionally when you sit
and do not engage in any physical activity for 2-3 minutes, write down your heart rate value. In the evening, calculate the
average value.