Hello JP
You need to look in the service menu, to do this;
From standby using the beo4 remote press;
DTV
Menu
Menu
0 0 GO
GO
Select Picture Adjustments
GO
Select Screen Information
GO
This will display the monitor type and screen resolution.
Cheers
Peter
My B&O - BS3, BV4-50, Beomedia 1, BS3200, DVD1, BL8000, BL6000, BL3, BL2, BL7.4