Updated: How to set up your TV for the perfect picture

Introduction Today's TV images have never looked better. Indeed, the latest 4K Ultra HD screens are so good that broadcasters and content providers are struggling to offer programmes able to truly do them justice. These 3840 x 2160 televisions offer four times the pixel density of regular Full HD sets and with deep colour technologies, like Quantum Dot , OLED and enhanced WCG panels, have a depth and vibrancy that leaves yesterday's goggleboxes looking positively pallid. HDR (High Dynamic Range)