Sony PCG-XG18 Primary User Manual page 40

Fn+D
Video standby
Fn+F
Change the display size
Fn+S
System Idle
Turns off the LCD in order to save power. To turn the
LCD back on, press any key.
Zooms the display size in or out when the display is
set to a low resolution.
Puts the system into System Idle mode, a power
management state. To return the system to the active
state, press any key.