3m 1800 Series Overhead Projectors – Description
User Manual (link)
Parts Manual (link)
The 3m 1800 Series Overhead Projectors are a relatively light-weight, portable projector. The lens arm folds-down and locks for travel, and the projector has a built-in spare bulb changer. The bulb changer allows for changing the bulb within seconds, from the outside of the unit without touching anything hot.
The projector body has a built-in carrying handle
CHANGING THE BULB DURING A PRESENTATION
If one of the bulbs burns-out during a presentation, you can switch bulbs within seconds – and, you do NOT have to unplug the projector, move it, or open it up. Just follow the steps in the pic below:
Below are instructions for Staff procedures, not Public.
Replacing the Bulbs physically
Changing Bulb Brightness
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