Controlling Power Management - Sony PCG-SR33K VAIO User Manual

Controlling Power Management

The Power Management utility allows you to control the power settings of your notebook and provides key
information about system activity and battery life. The following sections briefly describe how to conserve your
notebook's battery power. You can also refer to PowerPanel
profile or command, see
To view the Power Management status icons
The Power Management status icons are displayed in the task tray at the lower right side of your screen. Move the
pointer over the icons to see the tool tip that displays information about the active profile. The Battery status icon
indicates the battery power level and the CPU status icon indicates the performance level of the CPU.
To activate the Power Management toolbar
1. Right-click the taskbar at the bottom of the screen.
2. Select Toolbars from the pop-up menu, and then click Power Management. The Power Management toolbar
appears on the taskbar.
The current profile icon is highlighted on the Power Management toolbar. It is the first icon farthest to the left, and
its appearance changes depending on which power management profile is currently selected. To change the power
management profile, click the current profile icon, and then select a new profile from the pop-up list. See
Management profiles for a description of available options. To select another power management profile, click that
icon in the Power Management toolbar.
When you use the battery pack to power your notebook, 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 notebook.
Refer to PowerPanel Help for information on customizing the Power Management toolbar.
Customizing Power Management settings
You can customize power management settings, such as the system timer and the brightness of the screen. To
customize a setting:
Click the current profile icon on the Power Management toolbar.
1.
Select Edit/Create Profiles from the menu.
2.
3. Click a profile whose setting you want to change, from the list in the left panel.
4. Double-click an item whose setting you want to change from the list in the right panel.
5. Click the desired setting.
Click the File menu, and then click Save.
6.
Click the File menu, and then click Exit.
7.
Power Management profiles
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:
Icon Description
Maximum Performance
Provides the best system performance while still conserving power.
Maximum Battery Life
Provides power saving features to give you maximum battery life and good performance. It slows the notebook and puts it
into Standby mode after a specified time period.
Disable Power Management
Turns off all power management features such as Standby and Hibernate modes.
You can not change the settings of this profile.
AC Power
The power management state when AC power is in use. Similar to the Power Management Off setting. Power Management
automatically loads the AC profile unless you disable this feature.
Displaying Battery Information.
Help for more detailed information. To activate a
Power
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