Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays a shadow when projecting, you must troubleshoot ...
Overhead projectors are useful tools to present large visuals in the classroom or boardroom, but poor care and the temperature of the machine cause possible risks to your health and safety. To ensure ...
Slide shows and overhead projectors with images that are crooked, upside down, mirror imaged, or simply lost, are well and truly a thing of the past. Data projectors suited to PowerPoint presentations ...
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