Sony PCG-505F - Manual (Page 31)

Using Your 505 SuperSlim Notebook '
Indicators
Indicators Functions
Information Turns on when the PPK Timer is set. Turns off
when the PPK Timer is not set or the PPK Timer
setting is inactive. (Such as when the computer’s
power is off or in System Hibernation mode.)
Battery Indicates the status of the battery attached at the
rear of the computer.
Power Lights when the power to the computer is turned
on. Flashes in System Suspend mode.
Turns off when the computer is in System
Hibernation mode or powered off.
Light On Off
Modem Turns on when the modem
is in use. Turns off when the modem
is not in use.
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. Turns off when the hard
drive is not being accessed.
Num Lock Turns on when the number
keys area in the numeric
keypad are active. Turns off when the
alphanumeric character keys
in the keypad area are
active.
Caps Lock Turns on when the letters
appear in uppercase as
you type. The Shift key
lowers the case of typed
letters when Caps Lock is
on. Turns off when letters
appear in lower case as you
type (unless you hold down
the Shift key).
Scroll
Lock Turns on when the screen
scrolls differently. (Exactly
how it scrolls depends on
the specific application. It
has no effect in many
applications.) Turns off when information
moves across the display
normally.