- 35 -More Detailed AdjustmentAdjusts more detailed Gamma items.Input Signal Level:Adjusts the input signal level.Gain:Adjusts the gain of gamma for selected signal level.Reset Gamma:Resets to the default detailed Gamma.Reset GammaResets to the default Gamma.■ Reset Picture DefaultsReset Picture DefaultsResets Advanced Settings to the default settings.Lock SettingsLocks the settings of Professional1 / 2 mode for each input.1. Display the menu with MENU2. Select Picture Lock Settings with / and press OK to access3. Enter the PIN number (4 digits) with numeric buttons● Enter the PIN number twice at first setting.● Make a note of the PIN number in case you forget it.4. Select Adjustment Lock with / and press OK to access5. Select On with / and press OK to set● Backlight, Contrast, Brightness, Colour, Tint, Sharpness, ColourTemperature, Vivid Colour, Adaptive Backlight Control, ResolutionRemaster, Caption Smoother, Brilliance Enhancer, Advanced Settings andReset Picture Defaults can be locked.