Samsung 940T manual Pre-configured values may not be comfortable for your eyes

Front

MENU button [ ]	Opens the OSD menu. Also use to exit the OSD menu or return to
	the previous menu.
MagicBright™	MagicBright™ is a new feature providing optimum viewing
[ ]	environment depending on the contents of the image you are
	watching. Currently seven different modes are available: Custom,
	Text, Internet, Game, Sport, Movie and Dynamic Contrast. Each
	mode has its own pre-configured brightness value. You can easily
	select one of seven settings by simply pressing MagicBright™
	control button.
	1) Custom
	Although the values are carefully chosen by our engineers, the
	pre-configured values may not be comfortable for your eyes
	depending on your taste.
	If this is the case, adjust the brightness and contrast by using
	the OSD menu.
	2) Text
	For documentations or work involving a lot of text.
	3) Internet
	For working with a mixture of images such as text and
	graphics.
	4) Game
	For watching motion pictures such as a game.
	5) Sport
	For watching motion pictures such as a sport.
	6) Movie
	For watching motion pictures such as a DVD or Video CD.
	7) Dynamic Contrast
	Dynamic Contrast is to automatically detect distribution of
	inputted visual signal and adjust to create optimum contrast.
	>>Click here to see an animation clip