Toshiba Satellite C640 - Manual (Page 99)

User’s Manual 5-4
Satellite C600/C640/C645/C600D/C640D/C645D, Satellite Pro C600/C640/C600D/C640D
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.
Touch Pad: Pressing FN + F9 enables or disables the Touch Pad function.
Zoom (Display resolution): Pressing FN + Space changes the display
resolution.
Reduce: Pressing FN + 1 reduces the icon size on the desktop or the font
sizes within one of the supported application windows.
Enlarge: Pressing FN + 2 enlarges the icon size on the desktop or the font
sizes within one of the supported application windows.
Volume down: Pressing FN + 3 decreases the volume.
If no wireless communication device is installed, no dialog box will appear.