Lots of musicians today use their iPads to display their sheet music. The brightness of all the iPads on stage can be a disturbing factor to create the right atmosphere on stage in some scenes. Dim Sheet lets the Light Operator control the brightness of your iPad. Any PDF document can be opened in Dim Sheet, even zooming and panning is enabled. In the settings you can configure the Art-Net Universe and Address of your iPad. Make sure you are connected to the Wi-Fi network broadcasting the Art-Net Universe you are using.