Toshiba PT930 用户手册

The figures below show the positions of the keypad overlay indicators and the
CapsLock indicator.

When the F10 key indicator glows the keypad overlay lets you control the cursor.
When the F11 key indicator glows the keypad overlay lets you enter numbers.

When the CapsLock indicator glows the keyboard is in all-caps mode.

This indicator glows green when the alphabet keys are
locked in uppercase.

When the Arrow mode indicator lights green, you can
use the keypad overlay (gray labeled keys) as cursor keys.
Refer to the 

 section in Chapter 5, The

Keyboard.