Enabling or disabling the wireless features

•Fn+F5

Enable or disable the built-in wireless networking features. If you press Fn+F5, a list of wireless features is displayed. You can quickly change the radio state of each feature in the list.

To enable or disable the wireless features by using Fn+F5, the following device drivers must be installed on your computer beforehand:

–Power Management Driver

–On Screen Display Utility

–Wireless device drivers

For information on the wireless features, refer to “Wireless connections” on page 30.

Launching the camera and audio settings

•Fn+F6

–For Windows 7: Open the Communications settings window, in which you can preview your video image, take a snapshot of your current image, and change the camera and audio settings.

–For Windows 8: Start the Lenovo Settings program. To use the camera or change the camera settings, click Camera. To adjust the audio settings, click Audio.

Adjusting the brightness level of the computer display

•Fn+F8: The computer display becomes dimmer.

•Fn+F9: The computer display becomes brighter.

This function key combination changes the brightness level temporarily. To change the default brightness level, modify the settings of the Power Option in Control Panel or use Power Manager.

Multimedia control

•Fn+F10: Previous track/scene

•Fn+F11: Play or pause

•Fn+F12: Next track/scene

Other functions

•Fn+Spacebar: This combination is used to control the keyboard backlight.

There are three states for the keyboard backlight: On (Low), On (High), and Off.

Press Fn+Spacebar once to turn on the keyboard backlight in low brightness level. To adjust the backlight to a high brightness level, press the key combination again. Pressing the key combination for a third time turns off the keyboard backlight.

•Fn+F3: Lock your computer.

•Fn+B: Has the same function as the Break key on the conventional keyboard.

•Fn+K: Has the same function as the ScrLK key on the conventional keyboard.

•Fn+P: Has the same function as the Pause key on the conventional keyboard.

•Fn+S: Has the same function as the SysRq key on the conventional keyboard.

Volume and mute buttons

You can adjust the sound level of the speakers by using the following three buttons:

Note: Your computer might have slight variations from the following illustration.

20User Guide

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Lenovo I53427U4GB, X1, I53427U180SSD, 3444GZU, 3444GXU manual Volume and mute buttons
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I53427U180SSD, I53427U4GB, X1, 3444GXU, 3444GZU specifications

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