You can customize the pointer speed when using Mouse Keys by moving the sliders (shown in fig. Then tick the box next to 'Make a sound when turning a setting on or off' by clicking on it, or press Alt+U to tick it. If you want the additional features listed, tick the box next to 'Display a warning message when turning a setting on' by clicking on it, or press Alt+A to tick it. (Note: if you have difficulty holding down three keys at the same time, see the Use the keyboard with one hand guide.) To use the keyboard shortcut to turn Mouse Keys on and off, tick the box next to 'Turn on Mouse Keys with left ALT+left SHIFT+NUM LOCK' by clicking on it, or press Alt+K to tick it. If it is not, click on it or press Alt+M to tick it. The box next to 'Turn on Mouse Keys' should be ticked.
