Connect the UBP X800 to the HT-Z9F soundbar using an HDMI cable.
Turn on the UBP X800 and the HT-Z9F.
Use the remote control to navigate to the UBP X800's menu.
Select Settings and then Audio Output.
Choose Dolby Atmos as the audio output format.
Use the remote control to navigate to the HT-Z9F's menu.
Select Settings and then Audio Input.
Choose Dolby Atmos as the audio input format.
Make sure that the UBP X800 is set to output Dolby Atmos audio to the HT-Z9F.
Play a Dolby Atmos-enabled Blu-ray disc or streaming content to test the surround sound.
Note: Make sure that both devices are connected to the same WiFi network and that the firmware is up to date. Also, ensure that the HDMI cable is securely connected to both devices.