Toshiba Satellite A660-BT3G25X Maintenance Manual page 163

3 Tests and Diagnostics
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:
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SatelliteA660/ProA660 Series Maintenance Manual