Vincent travelled to the South East and his arrival timing was spot on to calibrate my 55" LG C8 OLED. The whole process was explained clearly and any questions were answered. Once the calibration of day, night Dolby Vision and HDR were complete the picture is stunning. Vincent also setup my Apple TV and YouView boxes with the correct settings. Pre-calibration I thought I had the picture looking good with my own settings but there was no comparison once Vincent did his stuff. I definitely recommend HDTVTest and would use them again for my next TV purchase. As an added bonus all the setting have been sent to me should the TV ever be reset.