Samsung Galaxy Note Edge - Manual (Page 29)

Basics
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Activating the Edge screen only
You can activate the Edge screen and view the clock and notifications while the main screen
is off.
Swipe upwards then downwards, or vice versa, on the Edge screen to activate it, and then
swipe to the left or right to view the desired information. To launch apps or view notification
details, press the Home key to turn on the main screen.
Using the Edge screen from the locked screen
From the locked screen, you can view notifications and user-added panels, and use the Quick
tools.
To launch apps or view notification details, unlock the main screen.