Burstner TD590 - drop down bed dimensions

[Essgeebee]

Over 20 plus years I have owned many caravans (yes, penance made) and an Autotrail motorhome. Never have I found it so hard to get simple straightforward information about aspects of one as I have with Burstner. We spent ages viewing a 2021 IT 590 (which I think is the same as the TD 590) the other day - we bought it and collect in ten days time. We looked at so much in the 2 hours we were there but didn't think to take a tape measure. I thought things like bed dimensions, TV slot sizes etc would be readily available on the Burstner or dealer websites so we could determine what kit we already have is transferable. Nope. Plenty of marketing stuff for vastly overpriced goodies on Burstner but precious little useful info for a budding owner, even in the huge instruction manual.
So, can anyone please tell me the measurements of the drop down bed in the 590. I want to see if our Duvalays will fit.