- 45 -Professional1 / 2:Allows you to set and lock the professional picture settings.Watching > For best picture > Advanced Settings● If a certified professional dealer sets these modes, Professional1and Professional2 may be displayed as isf Day and isf Night.In each Viewing Mode, Backlight, Contrast, Brightness, Colour, Tint,Sharpness, Colour Temperature, Vivid Colour, Colour Remaster, Rec.2020Colour Remaster, Reversal Film Effect, Adaptive Backlight Control, Letterbox,Ambient Sensor, Noise Reduction, MPEG Remaster, Resolution Remaster,Caption Smoother, Intelligent Frame Creation and 24p Smooth Film can beadjusted and stored.When in Cinema, True Cinema, Monitor, Custom or Professional1 / 2,Advanced Settings can be adjusted additionally. The settings in True Cinema,Monitor, Custom or Professional1 / 2 can be stored for each input.● You can set Viewing Mode in 2D and 3D mode for each.: THX modes are used to mirror the picture settings used by professionalfilmmakers, faithfully reproducing the image quality of THX Certifiedmovies. THX Certified movies have the THX logo on the disc. THX modesare not available for photo contents or internet services.Ambient Sensor1. Display the menu with MENU.2. Select Picture > Ambient Sensor with / and press OK to access.3. Select On / Off with / and press OK to set.Ambient Sensor(On / Off)● Automatic Brightness Control functionAdjusts picture settings automatically depending on ambient lightingconditions.