The M289 projector has two video input ports: HDMI and USB-C. The active input port is selected manually by pressing the Input selection button to toggle between HDMI and USB-C. The Input selection button is the square button with a circle imprinted on it located on the left side of the projector. When the button is pressed the active port will be momentarily displayed on the projection screen.
![](https://cdn.shopify.com/s/files/1/0258/8501/6110/files/M289-Input_480x480.jpg?v=1664416673)