Lenovo ThinkPad Notebook Keyboard Letter Why change number

Lenovo ThinkPad notebook Keyboard alphabet variable number is only a special feature of the notebook keyboard, most of the FN key combination is using the FN keys plus ESC or F1~F12 key to achieve, but there are some vendors (such as IBM, Compaq and Sony) Models have a combination of the FN key and the letter key, and most of these combinations are "secret" for the average user.

The combination of the FN key and the corresponding function is generally unified in the whole brand.

Fn + up/down key to adjust the brightness of the display;

Fn + SAS key to turn on or off the external CRT monitor or projector.

The ThinkPad uses what is called the full keyboard design, that is, the keyboard specifications of all ThinkPad series computers are the same, and the size of the keyboard is the same.