Fn Sticky Key - Toshiba NB250 series User Manual

The Keyboard
Touch Pad: Pressing FN + F9 enables or disables the Touch Pad function.
Zoom: Pressing FN + Space changes the display resolution.
TOSHIBA Zooming Utility (reduce): Pressing FN + 1 reduces the icon
size on the desktop or the font sizes within one of the supported application
windows.
TOSHIBA Zooming Utility (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 to decrease the volume in increments.
Volume up: Pressing FN + 4 to increase the volume in increments.

FN Sticky key

You can use the TOSHIBA Accessibility Utility to make the FN key sticky,
that is, you can press it once, release it, and then press an "F Number"
key. To start the TOSHIBA Accessibility utility, click Start All Programs
TOSHIBA Utilities Accessibility.
User's Manual 5-5