Toshiba Satellite 200 Series User Manual page 13

Finding Your Way around the System
Find Out Where Everything's Located
The numeric mode light glows when the numeric overlay is on.
When the overlay is on, pressing an overlay key displays the white
number printed on the right front of the key instead of the letter
printed on the top of the key. For more information, see "Typing
Numbers" on page 83.
The disk light glows when a drive—hard disk, diskette drive, or
CD-ROM drive—is currently in use.
Do not turn the computer off if this light is on. Doing so may
damage the computer, the drive or both.
The battery light indicates the status of the battery charge. For
more information, see "Monitoring Battery Power" on page 124.
The power light glows when the computer is connected to an
external power source. For more information, see "Connect to a
Power Source" on page 15.
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