Sony PCG-Z1RA VAIO User Manual page 18

LCD
Brightness Controls the brightness of the computer screen (LCD). You can select a brightness level of one to nine, with
one being the darkest setting. The darker you set the computer screen the more power you conserve.
LCD Standby Timer Controls the time it takes the system to turn off power to the computer screen (LCD) when the
system is idle. The system itself still functions on full power.
HDD Standby Timer Controls the time it takes the system to turn off power to the hard disk drive when the system is
idle. This setting only turns off power to the hard disk drive.
Slows the proc es s or s peed. O n s elec ted models only.
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