Sony PCG-F450 - Manual (Page 29)

Using the Keyboard '
Indicators
Indicator Function
Power Light is green when the power to the computer is turned on.
Light is red in System Idle mode, and flashes red in System
Suspend mode. The light turns off when the computer is in
System Hibernation mode or powered off.
Battery 1 Indicates the status of the battery inserted in the battery
bay on the left side of the computer.
Battery 2 Indicates the status of the battery inserted in the
multipurpose bay on the right side of the computer.
Hard disk Lights when data is being read from or written to the hard
drive. Do not enter System Suspend mode or turn off the
computer when this indicator light is on.
Light On Off
Num Lock The number keys in the
numeric keypad are active. The alphanumeric
character keys in the
keypad area are active.
Caps Lock The letters appear in
uppercase as you type. The
Shift key lowers the case of
typed letters when Caps
Lock is on. Letters appear in lower
case as you type (unless
you hold down the Shift
key).
Scroll Lock The screen scrolls
differently. (Exactly how it
scrolls depends on the
specific application. It has
no effect in many
applications.) Information moves across
the display normally.
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