HP ProBook 6550b Maintenance And Service Manual page 31

Item Component
(5) QuickLook light
(6) QuickWeb light
(7) Caps lock light
(8) Num lock light
(9) Volume mute light
(10) Volume down light
(11)
Volume up light
(12) Calculator light
*The 2 wireless lights display the same information. The light on the wireless button is visible only when the computer is open.
The wireless light on the front of the computer is visible whether the computer is open or closed.
†The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The
power light on the front of the computer is visible whether the computer is open or closed.
Description
On: The computer is on.
●
Off: The computer is off or in the Sleep state
●
(Windows 7 and Windows Vista) or Standby
(Windows XP) or Hibernation.
On: The Web browser is in use.
On: Caps lock is on.
On: Num lock is on or the embedded numeric keypad is
enabled.
Turquoise: Speaker sound is on.
●
Amber: Speaker sound is off.
●
Blinking: The volume down button is being used to
decrease the speaker volume.
Blinking: The volume up button is being used to increase
the speaker volume.
On: The Windows calculator function is on.
Top components 23