Chapter 4 • Maintenance
3.Repeat steps 1 and 2 until no smudges or particles can be seen when the lens or mirror is illuminated by a strong light. DO NOT LOOK DIRECTLY INTO THE LENS WHEN THE LAMP IS ON!
If the lens or mirror is extremely dirty, use several pieces of lens tissue. Water may be used if denatured alcohol is unavailable.
☞CAUTION! Do not use acetone to clean the
General Switching Lamps
Maintenance
If your projector lamp burns out during a presentation, the LAMP SELECTOR switch allows you to quickly change to a backup lamp.
Figure
The lamp selector
You can switch lamps on the fly, without turning off your projector or interrupting your presentation. Push the LAMP SELECTOR switch to its opposite position. It will click into place and the alternate lamp will illuminate.