This refers to the length of stay in the zone based on the exercise intensity according to the heart rate. This value is recorded when body movement or the heart rate exceeds a certain level.
Meter
Training- This refers to the length of time of exercise at an exercise intensity higher than the fat burning zone.
Fat burning- This refers to the length of time of exercise at the exercise intensity of the fat burning zone.
Warm-up exercise- This refers to the length of time of exercise at an exercise intensity lower than the fat burning zone.
- This refers to the total length of time exercise.
Target value
This refers to the target length of time of exercise at the exercise intensity of the fat burning zone.
Breakdown
This switches the classification view of the exercise time length.
Training
：
Fat burning
：
Warm-up exercise
：
MAXIMUM
：
ANAEROBIC
：
AEROBIC
：
Fat burning
：
Warm-up exercise
：
Graph
One day
- This refers to the classification of the change in the heart rate in the day, warm-up exercise, fat burning, and training.
One week
- This shows the change in exercise time for one week.
It also shows the maximum length of exercise time in one week. 
One month
- This shows the change in exercise time for one month.
It also shows the maximum length of exercise time in one month. 
Target Line
- This refers to the goal of the length of exercise in the fat burning zone.
