HP special edition l2000 compaq presario v2000 服务手册

The notebook comes with power management features that 
extend battery operating time and conserve power. The 
notebook supports the following power management features:

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Standby

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Hibernation

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Setting customization by the user

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Hotkeys for setting the level of performance

■

Battery calibration

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Lid switch standby/resume

■

Power/standby button

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Advanced Configuration and Power Management (ACPM) 
compliance