◀ ▶N The after-image removal function has to be executed for a long time(approximately 1 hour) to effectively remove after-images on the screen.If the after-image is not removed after performing the function, repeat thefunction again.N Press any key on the remote control to cancel this feature.● Side Grey (Light / Dark): When you watch TV with the screen ratio set to 4:3,the screen is prevented from any damage by adjusting the white balance onboth extreme left and right sides.English