Det virker som ikke pulsen er riktig når jeg bruker rulleski og staver? Noen grunn for det?
Nobody can tell you without knowing your true heart rate. Borrow or buy a HRM chest belt and compare the results with your watch. Also read the following document:
https://support.garmin.com/en-US/?faq=xQwjQjzUew4BF1GYcusE59
