Toshiba Tecra R850 - Manual (Page 68)

The number of keys available on your keyboard will depend on which
country/region your computer is configured for, with keyboards being
available for numerous languages.
In use there are six different types of keys, specifically typewriter keys,
function keys, soft keys, Hot keys, Windows special keys and the keypad
overlay.
Never remove the key caps on your keyboard. Doing so could cause
damage to the parts under the key caps.
Keyboard indicators
The following figures show the positions of the CAPS LOCK indicator and
the keypad overlay indicators which show the following conditions:
When the CAPS LOCK indicator glows, the keyboard will produce
capitals when any letter is typed.
Figure 3-3 CAPS LOCK indicator (R830)
1
1. CAPS LOCK indicator
CAPS LOCK This indicator glows green when letter keys are
locked into their uppercase format.
Function keys: F1 … F12
The function keys (not to be confused with the special FN key) are the
twelve keys at the top of your keyboard - these keys function differently
from other keys.
F1 through F12 are called function keys because they execute
programmed functions when pressed and, when used in combination with
R850/R840/R830
User's Manual 3-3