Sector SMART S-04 Manual De Instrucciones página 19

14. Call Reminder
Go to [SECTOR S-04] --> [Device] --> [Call reminder] to enable/
disable this function. After the call reminder function is enabled,
then the watch can remind you of the incoming calls on your
phone.
Note: The watch cannot be used to answer calls or reply to mes-
sages. It can only display messages or reject the incoming call.
15. Wake Screen on Wrist Raise
If you flip your arm, the screen will automatically light up.