EN-11Turn VRB on or off (Selective models)Open the VRB control and select the VRB setting using the Navi/OK button.When you are done, press the Navi/OK button go back one level.Adjusting the BrightnessOpen the Brightness control and select the brightness setting using the Navi/OK button. When you are done, press the Navi/OK button to exit.Selecting the InputOpen the Input control and select an available input source. When you aredone, press the Navi/OK button to go back one level.

Acer KG272U User Manual