Function one: Input the wired signal 1. insert the cable TV line. 2. connect HDMI output with TV HDMI connection. 3. select the TV to HDMI mode, the conversion device plug in the power cord Press POWER to start, point the AUTO. Function two: Output video signal 1. the HDMI cable is connected to the HDMI IN connector of the unit and the unit is set to the HDMI status. 2. then, connect the HDMI cable to the device and the TV. 3. Press the arrow key on the remote control device to configuration function keys, and the TV choose to automatically search.