Section,Check,Project input,Result / verified
Screen,Visible image width and format,"From room planning — screen chosen first",
Geometry,Throw ratio range,"Projector min–max throw ratio from datasheet",
Geometry,Required distance,"Throw ratio × image width vs available mounting distance",Pass / fail
Geometry,Vertical offset,"Image height at planned mounting height acceptable",Pass / fail
Geometry,Lens shift range,"Enough optical adjustment without keystone",Keystone not relied on
Brightness,Worst lighting condition,"Defined realistic worst case, not demo condition",
Brightness,Vendor calculator result,"Projector vendor calculator run for screen size and condition",Headroom for source aging
Brightness,Demo at real size,"Required for large venues, flagship rooms, tenders — date and result",
Surface,Projector type declared,"Standard, short-throw or UST stated in screen inquiry",Factory flagged incompatible surfaces
Surface,UST flatness,"Tab-tension or fixed frame for UST retractable setups",
Surface,Gain interaction,"High-output projector not paired with high-gain surface",
Signal,Aspect ratio match,"Projector native format matches screen format",
Control,Screen control method,"Trigger, control system or switch decided; cable routed before closure",