Samsung NP540U3C-A01US - Manual (Page 52)

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Chapter 3.
Using the computer
Other Function Keys (Optional)
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 the Fn Lock function is On • : You can use the hot key
functions without pressing the Fn key.
If the Fn Lock function is Off
• : You can use a hot key
function by pressing the Fn key + the hot key at the same
time.
If the hot keys do not work properly, you have to install the
Settings.
Keyboard