Toshiba Satellite C650 Series User Manual page 96

Power Plan: Pressing FN + F2 changes the power settings.
Sleep: Pressing FN + F3 switches the system to Sleep Mode.
Hibernate: Pressing FN + F4 switches the system to Hibernation Mode.
Output: Pressing FN + F5 changes the active display device.
To use a simultaneous mode, you must set the resolution of the internal
display panel to match the resolution of the external display device.
Brightness Down: Pressing FN + F6 decreases the computer's display
panel brightness in individual steps.
Brightness Up: Pressing FN + F7 increases the computer's display panel
brightness in individual steps.
Wireless: Pressing FN + F8 enables/disables the wireless devices.
If no wireless communication device is installed, no dialog box will appear.
Touch Pad: Pressing FN + F9 enables or disables the Touch Pad function.
User's Manual
The Keyboard
5-3