Microphone mute (F4)

Press the microphone mute key to mute or unmute all of the recording devices.

Launching the camera and audio settings (F5)

If you press F5, the camera and audio settings window is opened and the camera preview is turned on. From this window, you can change the camera and audio settings.

Display management keys

Switching the display output location (F6)

Press this key to switch between the computer display and an external monitor. The following options will be displayed:

Computer display only (LCD)

Computer display and external monitor (same image)

Computer display and external monitor (the Extend desktop function)

External monitor only

Note: To switch between the computer display and an external monitor, the Windows+P key combination is also available.

Display brightness down (F7)

When you press this key, the computer display becomes dimmer. The purpose of this method is to change the brightness level temporarily. To change the default brightness level, use the Power Manager program, or go into Control Panel Performance and Maintenance Power Options and make changes as desired.

Display brightness up (F8)

When you press this key, the computer display becomes brighter. The purpose of this method is to change the brightness level temporarily. To change the default brightness level, use the Power Manager program, or go into Control Panel Performance and Maintenance Power Options and make changes as desired.

Wireless radio control key (F9)

Press this key to enable or disable the built-in wireless networking features. When you press this key, a list of wireless features is displayed. You can quickly change the state of each feature on the list.

Notes: If you want to use this button to enable or disable the wireless features, the following device drivers must be installed on your computer beforehand:

Power Management driver

OnScreen Display Utility

Wireless device drivers

For detailed information on the wireless features, refer to “Wireless connections” on page 39.

2

Windows key

Press this key to display or hide the Start menu.

For information about using the Windows key with other keys, refer to the help information system of the Windows operating system.

28User Guide

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Lenovo E525, E425 Microphone mute F4, Launching the camera and audio settings F5, Display brightness down F7, Windows key