page 6.3
Digital Projection LIGHTNING 35HD User Manual 6. Appendix

Problem Possible solutions

Poor colour depth reproduction.
Uneven image quality.
Projector does not respond to remote
control commands from a computer.
Colour depth is 8 bits using Single or Dual inputs. If using Twin inputs for greater
colour depth, check that both source cables are connected correctly, and that
Twin mode is selected.
See Section 4. Using the menus, Source menu
Check that the projector is parallel to the screen.
Check that the screen is flat, and securely mounted.
Check that the LAN or serial cable is connected correctly.
See this section 6. Appendix, Connections
If using a LAN, check that the address setting is made correctly.
See Section 4. Using the menus, Configuration menu
If using a serial cable, check that the modem settings are made correctly.
See this section 6. Appendix, Connections
Check that the correct control codes are being used.
See this section 6. Appendix, Serial communications protocol
In the event that this troubleshooting guide has not solved the problem, then
contact your Digital Projection dealer or service centre.