Training in general and heart rate measurement during training

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・ To measure VO2max, enter your profile (height, weight, age, gender) and run or walk outdoors for 10 minutes or more. NOTE: Not included with GBD-100 and GBX-100. 

・ Make sure that the heart rate measurement function and GPS reception settings are ON. 

　＊ The heart rate measurement function is either always ON or only ON when running.