Dell Latitude D620 - Manual (Page 3)

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.
¡ Off: The battery is adequately charged (or external power is not available to charge the battery).
If the computer is running on a battery, the light operates as follows:
¡ Off: The battery is adequately charged (or the computer is turned off).
¡ Flashing orange: The battery charge is low.
¡ Solid orange: The battery charge is critically low.
keyboard — The keyboard includes a numeric keypad as well as the Windows logo key. For information on supported keyboard shortcuts, see Using the
Keyboard .
fingerprint reader (optional) — Helps to keep your Dell™ computer secure. When you slide your finger over the reader, it uses your unique fingerprint to
authenticate your user identity. For information on how to activate and use the security management software that controls the fingerprint reader, see
Security Management Software .
speaker — To adjust the volume of the integrated speaker, press the volume control buttons, mute button, or volume-control keyboard shortcuts. For more
information, see Key Combinations .
touch pad buttons/track stick — Provide the functionality of a mouse. See Touch Pad for more information.
ambient light sensor (ALS) — Helps to control display brightness. See for more information, see Using the Ambient Light Sensor .
keyboard status lights
Turns on when you turn on the computer and blinks when the computer is in a power
management mode.
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 to indicate battery charge status.
Turns on when wireless devices are enabled.
Turns on when Bluetooth
®
wireless technology is enabled. To enable or disable
Bluetooth wireless technology, move the wireless switch to the "on" position. See
wireless switch for more information.
NOTE: Bluetooth wireless technology is an optional feature on your computer, so the
icon turns on only if you ordered Bluetooth wireless technology with your
computer. For more information, see the documentation that came with your Bluetooth
wireless technology.