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Setting the Heart Rate Alert Feature ON/OFF
When in the Heart Rate Target Zone mode, to turn the Heart
Rate Alert Function ON or OFF, press the ST/STP button.
• When OFF, your upper and lower limits will be 'hidden' by
the display, and your Heart Rate Alert function will now be
OFF. However, your upper and lower limits are still retained
in the Watch memory.
• When ON, your upper and lower limits will now appear in
the display, and your Heart Rate Alert function will now be ON.
Relative Heart Rate
Relative Heart Rate is your current heart rate divided by your
maximum heart rate, and can be a useful reference to manage
how hard you are working during your exercise.
• Maximum Heart Rate is calculated as: 220 less your age
(220 – your age).
• Your Relative heart rate will be displayed as a percentage
when displaying your heart rate.
Example of Relative Heart Rate:
Tom is 30 years old.
His heart rate measured as: 132.
Maximum heart rate 220 – age 30 = 190 bpm.
132/190 = 70% is Toms relative heart rate.
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