Standby and deep sleep are two functions that are designed to prolong battery life. Standby is an adjustable mode that turns off the screen after a set amount of time if Suunto EON Core is not used.
To adjust the standby time:
Deep sleep is a function that prolongs battery life when Suunto EON Core has not been used for some time. Deep sleep is activated when two days have passed since:
Suunto EON Core wakes up when it is connected to a PC/charger, when a button is pressed, or when the water contact gets wet.