Dell Latitude C640 User Manual
Page 7
Keyboard Status Lights
Turns on when the numeric keypad is enabled.
Turns on when the uppercase letter function is enabled.
Turns on when he scroll lock function is enabled.
Keyboard -
The keyboard includes a numeric keypad as well as the Microsoft® Windows® logo key
.
For information on supported keyboard shortcuts, see "
Using the Keyboard and Touch Pad
."
Microphone -
Allows you to record audio.
Device Status Lights
Device Status Lights
Turns on when you turn on the computer.
Turns on when the computer reads or writes data.
NOTICE:
To avoid loss of data, never turn off the computer while the
light is flashing.
Turns on steadily or blinks when the computer is in a power management mode. It also blinks to
indicate battery charge status.
If the computer is connected to an electrical outlet, the
light operates as follows:
Solid green: The battery is charging.
Flashing green: The battery is almost fully charged.