Further Information; Information On Heart Rate - Sigma ONYX CLASSIC Manual Del Usaurio

4. TRAINING WITH THE ONYX CLASSIC
Sleep mode
The ONYX CLASSIC switches itself off auto-
matically after 5 minutes, as long as no training
is undertaken. Alternatively, you can return your
watch to sleep mode manually at any time.
Press the top and bottom buttons simultane-
ously for at least 3 seconds. Your ONYX
CLASSIC is once again in sleep mode and
can be worn as an everyday watch.

5. FURTHER INFORMATION

5.1 INFORMATION ON HEART RATE

The heart rate (HR) is stated in beats per minute (bpm).
Maximum heart rate
The maximum heart rate (HR max.) is the maximum possible
rate at which your heart beats when exploiting your physical
performance completely. Your personal HR max. varies with
your age, gender, ability to perform, performance related to
your type of sport and your physical fitness.The best way to
find out your personal HR max. is to take a stamina test.
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