Sony R505 Manual

You can customize power management settings, such as the system timer and the 
brightness of the screen.

Right-click the Battery icon on the Window taskbar.

Select Edit/Create Profiles from the menu.

In the left panel, click a profile in which you want to change the settings.

In the right panel, double-click an item in which you want to change the 
settings.

Select an option from the drop-down list.

Click the File menu, then click Save.

Click the File menu, then click Exit.

The PowerPanel™ utility provides several predefined power management 
profiles. Each profile consists of a group of power management settings that are 
designed to meet specific power management goals—ranging from maximum 
power management to no power management. You can change the settings for 
any of the predefined profiles (except for the Disable Power Management 
profile), or you can create your own profile to suit your portable computing 
needs. The predefined profiles are:

✍

When you use the battery pack to power your computer, your system selects the 
Maximum Battery Life power management profile by default. If you select a different 
power management profile while using battery power, the new profile is selected 
automatically the next time you use the battery pack to power your computer.

Refer to PowerPanel help for information on customizing the Power Management 
toolbar.