- I can find no way to mirror image a screen on a PC, it always seems the projector's job.
- NEC vt580 no rear projection mode: manual.pdf
- Epson 77c no rear projection mode:
- Just use a small mirror at 90 degrees to the lens, stand it in putty and voila.
Or buy a big one: FirstSurfaceMirrorDetails
Rear_Projection_Screens_and_Systems - projector
This an example of how to use the Rear screen mode on a Compaq Microportable Projector 1200
More on: Resolving Image Problems with the Compaq Microportable Projector 1200
Display a mirror image. | The projector has to be set for operation in rear screen mode or ceiling mount mode. | Access the OSD menu, select Image Control , select Flip Image , then the displayed image to the correct setting. |