Toshiba Satellite A100 (PSAAR) - Manual (Page 137)

User’s Manual 10-4
Disclaimers
SRS
SRS audio enhancements are available in the Microsoft Windows
operation system only.
LCD Brightness and Eye Strain
Your LCD display has a brightness approaching that of a TV device. We
recommend that you adjust the brightness of your LCD to a comfortable
level to prevent possible strain on your eyes.