SUUNTO M1 - Manual (Page 13)

7 PUTTING ON HR BELT
Adjust the strap length so that the heart rate (HR) belt is tight but still
comfortable. Moisten the contact areas with water or gel and put on the HR
belt. Ensure the HR belt is centered on your chest and the red arrow is pointing
up.
M1 heart rate belt
M2 heart rate belt
1 2 3 4
WARNING: People who have a pacemaker, defibrillator, or other implanted
electronic device use the HR belt at their own risk. Before starting the initial use of
the HR belt, we recommend an exercise test under a doctor’s supervision. This will
ensure the safety and reliability of the pacemaker and HR belt when being used
simultaneously. Exercise may include some risk, especially for those who have been
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