Specifications

addition, video signals from a PC are not supported.
Check if "Resolution Error" is displayed on the main unit display when
video input via HDMI IN jack is not displayed. In this case, the TV does
not support the resolution of the video input from the player. Change the
setting on the player.
The on-screen menus do not appear
On your TV, make sure that the video input to which this unit is connected
is selected.
Set "On Screen Display" to "On" in "OSD Setup".
When the unit is not connected to a TV via HDMI OUT MAIN, on-screen
menus are not displayed.