Patent ID: 8558876

Claim:
A computer-implemented method for generating, in a video signal receiver, an output signal for a display unit, it comprises the steps of: determining whether a display mode of the display unit is a mono display mode or a stereoscopic display mode, detecting whether the type of a video input signal received by the video signal receiver is a mono signal or a stereoscopic signal, converting the received video signal into an adapted output signal compatible with the display mode of the display unit, providing the adapted output signal to the display unit, characterized in that the display mode of the display unit is determined by providing an output test signal to the display unit, the test signal comprising at least two image regions ( 301 - 303 ), wherein a first image region ( 302 ) having a predetermined intended proper visibility ( 312 ) only in a mono display mode and a second image region ( 301 , 303 ) comprises a visual indicator having a predetermined intended proper visibility ( 311 , 313 ) only in a stereoscopic display mode; receiving a display mode identifier from the user.