Devices must be connected to One Connect box via HDMI cable.
First, connect the One Connect cable to the One Connect port on the back of your TV, and then connect the other end to the One Connect port on your One Connect Box. Next, connect the power cord to the AC power port on the One Connect Box, and then plug the other end into a wall outlet.
Then connect the cd/dvd changer HDMI to the One Connect Box.