To modify the settings, slide sideways until you reach the functions screen and press the "settings" button to access the corresponding screen:
Sphere - Select the style of the watch.
Hold arrow_drop_down - Selects the sport that starts by holding down arrow_drop_down.
Auto sport - Activate or deactivate the automatic sport function.
24h Cardio - Activate or deactivate the continuous motorisation of your heart rate.
Do not disturb - Activate do not disturb mode so that notifications are not sent to the watch.
24h hour - Select the 12h/24h format for the clock.
Language - Select the language for the watch.
Brightness - Adjusts the brightness of the screen.
Information - Information relevant to the watch.
Reset - Perform a factory reset of the clock.