Toshiba Satellite Pro 6000 Series - Manual (Page 44)

44 Finding Your Way Around
Keyboard and display features
Numlock light—Glows when the numeric overlay is on. When
this light is on, pressing an overlay key produces the white number
printed on the right front of the key instead of the letter printed on
the top of the key. For more information, see
“Using the overlay
to type numeric data” on page 80 .