The HDMI Control function does not work

Check that “HDMI Control” in the menu is set to “On”. link

You cannot operate devices that are not compatible with the HDMI Control function. In addition, depending on the connected device or the settings, the HDMI Control function may not work. In this case, operate the external device directly. link

Check that the HDMI Control function setting is enabled on all devices connected to this unit. link

When you make connection related changes such as connecting an additional HDMI device, the link operation settings may be initialized. Turn off this unit and devices connected via HDMI, and turn them on again. link