Samsung ATIV Book NP680Z5EX01US User Manual page 54

Keyboard
Other Function Keys (Optional)
Eject the CD (DVD).
Performs the right-click mouse function (touchpad).
If you press the Fn Lock key, you can use the hot key functions
without pressing the Fn key.
If you press the Num Lock key, you can use the numeric keys.
If the hot keys do not work properly, you have to install the
Settings.
+
Delete
+
or
Num
Lock
Chapter 3.
53
Using the computer