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Keyboard Shortcut Key Functions The below table is a list of combination short-cut key functions available on the Precision 7540 Mobile Workstation Function key combo Result Fn + Esc Toggle the Fn-Key Lock Fn + F1 Toggle the Mute Audio Fn + F2 Decrease Volume Fn + F3 Increase Volume Fn + F4 Toggles Microphone Mute LED Off - Microphone capable of recording audio LED On - Microphone Muted and incapable of recording audio Fn + F6 Used as Scroll Lock Key Fn + F8 Toggles Video Output Fn + F9 Search - Mimics Windows key + F Fn + F10 Keyboard Backlight Illumination Disabled, Dim, Bright Fn + F11 Used as Print Screen Key Fn + F12 Used as Insert Key Fn + Right Ctrl Used as Context Menu Key Fn + B Used as Pause/Break Key Fn + Arrow Key (Up) LCD Brightness Decrease Fn + Arrow Key (Down) LCD Brightness Increase Fn + Home Toggles the WiFi Radio Fn + End S3 Sleep Mode
Not Applicable.
Visit our Keyboard knowledge base for additional resources and information. For additional articles and information visit our Touchpad support page . Additional articles and information can also be found on our Mouse support page .
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