I'm contemplating getting a RS65 and am thinking of placing it near the floor under a coffee table, or even on the table, angling up at the screen. Can the unit be mounted on an angled platform? But how does one do keystone correction on the unit? I note that it has a lens shift capability, but does that do keystone correction? I currently have a CRT unit, with full keystone correction ability.
From what I've read, keystone correction results in loss of PQ. Best to avoid it if you can. You may be able to place it on a coffee table and use the lens shift without need for keystone correction - depending on how high your screen is... but I would not place it under the coffee table.
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