8.3.2
The screen does not light up when I tap it. Why? .................... 54
8.3.3
The screen does not light up when I raise my wrist. Why? .... 54
8.3.4
How to enter/exit Touch lock mode
？
.......................................... 55
8.3.5
What if my screen isn't responding to touch? ........................... 55
8.4
Date & time ................................................................................................ 55
8.4.1
How does my watch automatically set date and time? ......... 55
8.4.2
How to manually set date & time
？
.............................................. 55
8.4.3
How can I change the clock format? ........................................... 56
8.5
System update and reset ...................................................................... 56
8.5.1
How to update the system
？
.......................................................... 56
8.5.2
How to reset my watch to factory settings
？
............................ 56
8.5.3
What happens when you reset to factory settings
？
.............. 57
8.6
Power Saver .............................................................................................. 57
8.6.1
How to turn on Power Saver? ........................................................ 57
8.6.2
How to turn off Power Saver
？
...................................................... 57
8.6.3
Which features can be used in Power Saver mode? ............... 58
8.6.4
How long can I use the watch in Power Saver mode? ............ 58
8.6.5
Why can’t I receive notifications in Power Saver mode? ........ 58
8.6.6
How to dismiss a notification in Power Saver mode
？
............ 59
8.7
Miscellaneous ........................................................................................... 59
8.7.1
What is TalkBack? ............................................................................. 59
8.7.2
What can NFC do? ............................................................................ 59
