The Lumantek ez-MD+ changes the resolution of the incoming video ranging from 480i to 1080p60. You can also change the video display ratio. You can choose from either 16:9 (Full) or 4:3 (Pillar Box) screen ratio to fit your requirement. All these functions are controlled by a "dip switch". There is also a "Free Running", "Input Lock", and "Genlock" mode to synchronize your video signal. Genlock system ensures proper synchronizing of the signals when aligning the source with external signal