5
Using the Presentation Timer (TIMER) .................................................58
Using the Setup Menu (MENU) ............................................................60
Using a Password ................................................................................67
Cleaning the Projector.................................................. 69
Cleaning the Projector Exterior ............................................................69
Cleaning the Lens.................................................................................69
Troubleshooting ............................................................ 70
Normal Operation Indicators ................................................................70
Error Indicators and Messages ............................................................71
Projector Troubleshooting....................................................................73
Checking the Serial Number and Board Number.................................75
Appendix ........................................................................ 76
Supplying USB Power to Another Device ............................................76
Mounting the Projector on a Wall (XJ-UT Series).................................77
Hanging the Projector from a Ceiling (XJ-F Series, XJ-S Series) .........77
Projection Distance and Screen Size ...................................................79
Aspect Ratio Setting and Projection Image .........................................82
Supported Signals................................................................................84
Projector RS-232C Control ..................................................................85