3 Tests and Diagnostics 
Satellite A660/A665 Series Maintenance Manual 
 
When you execute these set, you can press the related number to do. 
For example: If you want to set MIC function, please press “a” or “A”, the screen will display as 
below: 
 
Please check related information to judge this unit whether has MIC function. 
If this unit has MIC function, press “Y” then program will set MIC enable automatically as below: