In case of emergency, press the SOS Button (power button) for 3 seconds to trigger the emergency call SOS. The GPS watch will call the three preset emergency numbers in a loop, twice. If the two times are not answered, the loop will be terminated, and the call will not be continued.
To add/edit SOS numbers, open App > More > Settings > SOS Numbers - Enter SOS phone numbers, tap save.
Do not input special characters in the phonebook, such as "-", "()" etc.