HP ProBook 6440b HP ProBook User Guide - Windows XP - Page 14
Component, Description, Blinking: The volume up button is being used to increase
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Component Description (5) QuickLook light ● On: The computer is on. ● Off: The computer is off, in Standby, or in Hibernation. (6) QuickWeb light On: The Web browser is in use. (7) Caps lock light On: Caps lock is on. (8) Num lock light (9) Volume mute light On: Num lock is on or the embedded numeric keypad is enabled. ● Turquoise: Speaker sound is on. ● Amber: Speaker sound is off. (10) Volume down light Blinking: The volume down button is being used to decrease the speaker volume. (11) Volume up light Blinking: The volume up button is being used to increase the speaker volume. *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. Component (1) Wireless lights (2)* (2) Power lights (2)† 4 Chapter 1 Features Description ● Blue: An integrated wireless device, such as a wireless local area network (WLAN) device, the HP Mobile Broadband Module (select models only), and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. ● On: The computer is on. ● Blinking: The computer is in Standby. ● Off: The computer is off or in Hibernation.