Sony PCG-R505GL - Manual (Page 72)

VAIO Computer Quick Start
72
Combinations and functions with the Fn key
Caps Lock Lights up when the letters appear in uppercase as you type.
The Shift key lowers the case of typed letters when Caps
Lock is on. When the indicator is off, the letters appear in
lower case as you type (unless you hold down the Shift key).
Scroll Lock Lights up when the screen scrolls differently. (Exactly how it
scrolls depends on the specific program. This function does
not work with all programs.) When the indicator is off,
information moves across the display normally.
Wireless
*
LAN
Lights up when the Wireless LAN function is running.
* On selected models only.
✍
If you switch user identities during a computing session, the Fn+F7 key
functionality (if available on your computer) will be interrupted. To switch to an
external display or monitor, see “Selecting a display mode” for more information.
Indicator Function