Lcd brightness control, Controlling the brightness using the keyboard – Samsung NP900X4D-A04US User Manual

NP900X4C-A03US, NP900X3F-K01US, NP900X4D-MS1US, NP900X4C-K01US, NP900X3C-A02JM, NP900X3C-A04US, NP900X4D-A06US, NP900X4C-A02US, NP900X4D-A02US, NP900X3C-A01VE, NP900X3E-A03US, NP900X3E-K01US, NP900X3C-MS1US, NP900X3C-A01US, NP900X3C-A04VE, NP900X3C-A05US, NP900X4D-A05US, NP900X3C-A03US, NP900X4C-A06US, NP900X4B-A02US, NP900X4D-A07US, NP900X4C-A01US, NP900X3E-A02US, NP900X4C-A04US, NP900X4C-A07US, NP900X4D-A03US, NP900X3B-A01US, NP900X3C-A02US, NP900X4D-A01US, NP900X3B-A02US