HP ProBook 4525s HP ProBook Notebook PC User Guide - Linux - Page 25

Function Initiate Sleep. Decrease screen brightness. Increase screen brightness. Switch the screen image. Open the default e-mail client. Open the default Web browser. Mute speaker sound. Decrease volume speaker sound. Increase volume speaker sound. Play previous track. Play, pause, or resume a CD, DVD, or BD. Play next track. Hotkey fn+f1 fn+f2 fn+f3 fn+f4 fn+f5 fn+f6 fn+f7 fn+f8 fn+f9 fn+f10 fn+f11 fn+f12 To use a hotkey command on the computer keyboard, follow either of these steps: ● Briefly press the fn key, and then briefly press the second key of the hotkey command. - or - ● Press and hold down the fn key, briefly press the second key of the hotkey command, and then release both keys at the same time. Initiating Sleep CAUTION: To reduce the risk of information loss, save your work before initiating Sleep. Press fn+f1 to initiate Sleep. When Sleep is initiated, your information is stored in system memory, the screen is cleared, and power is conserved. While the computer is in the Sleep state, the power lights blink. The computer must be on before you can initiate Sleep. NOTE: If a critical battery level occurs while the computer is in the Sleep state, the computer initiates Hibernation and the information stored in memory is saved to the hard drive. To exit Sleep, briefly press the power button. The function of the fn+f1 hotkey can be changed. For example, you can set the fn+f1 hotkey to initiate Hibernation instead of Sleep. Decreasing screen brightness Press fn+f2 to decrease screen brightness. Hold down the hotkey to decrease the brightness level incrementally. Increasing screen brightness Press fn+f3 to increase screen brightness. Hold down the hotkey to increase the brightness level incrementally. Using the keyboard 15