User's Manual

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 LCD/CRT mode – Press the Fn + F3 combination keys in switching to LCD/CRT mode.
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 WLAN mode – Press the Fn + F4 combination keys to Enable/Disable the wireless mode.
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 Brightness Up – Press the Fn + 6 key to increase the brightness of your screen display
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 Brightness Down – Press the Fn + 5 key to decrease the brightness of your screen display
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 Volume Up – Press the Fn + 4 key to increase the volume of any audio or video files the
system is playing.
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 Volume Down – Press the Fn + 3 key to decrease the volume of any audio or video files
the system is playing.