Toshiba PROL450D Manual Do Utilizador

Página de 227
 
3.  Tests and Diagnostics 
 
19
pressed, the corresponding key on the screen changes to black as shown below. 
It will indicate whether the sub test is passed or failed after the question. 
                                                          US Keyboard      
 
                                        
                                                 Japan keyboard 
NOTE:  The “Fn” key cannot be tested in the keyboard test.
 
 
To determine whether the “Fn key is working correctly, press “Fn+F6    ” or “Fn+F7   
” keys to check if LCD display brightness change gradually.