This was tested and if you look at pictures 2 through 4, you will see the blue screen projected onto the wall. Picture 4 shows there are 1989 lamp hours used.
Mitsubishi WD3300U 4000 Lumens DLP Projector 507 Lamp Hours
Dell 4210x 3500 Lumens DLP Projector 421 LAMP HOURS (NO POWER CORD/REMOTE)
Dell 1410X DLP Projector 0 Lamp Hours w/ carrying case & remote (NO POWER CORD)
ViewSonic PA502S DLP Projector 21 Lamp Hours (NO POWER CORD/REMOTE) VS16970
Dell 4210x 3500 Lumens DLP Projector 469 LAMP HOURS (NO POWER CORD/REMOTE)
Toshiba TDP-T45 - DLP Projector *1576 LAMP HOURS*
