Sony VAIO PCG-TR1MP User Manual page 71

Using your notebook
To set up the performance of your computer, proceed as follows:
1 When operating on battery mode:
Click Power-saving to enjoy a long battery life and a CPU fan with minimum noise. Performance
and LCD brightness will be reduced to lower battery consumption.
Click Customize if you want to adjust the brightness and the CPU fan quietness to determine the
CPU performance and the battery life.
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