b) Power management
The watch is equipped with an intelligent power management system serving
to optimize its autonomy. The ultimate aim is to avoid having to re-adjust it
70
60
50
40
30
20
10
0
1
Graph 1: Typical autonomy in number of days for 10 minutes use of the light and 10 seconds per
day of alarm (vibrate function and buzzer) according to the light intensity setting.
2
Intensity control
13
3
4