Recently we did an event in central New Jersey. It was in a very large room that was separated into three spaces. The center space needed two 6 by 8 screens and the spaces to the left and right of it required screens as well. A great amount of planning and preparation was involved to ensure that the images looked great on each screen. The most time was spent on projector placement. Due to all of the spaces being tightly packed with tables we could not place the projectors in front of the screens. This meant we had to project the images approximately 50ft across the room. 6.500 lumen projectors with long throw lenses were used to accomplish this task. Once this method was decided on the next factor was making sure the projectors cleared the tops of peoples’ heads. Their shadow going across the screen would be both distracting and look very unprofessional. To do this we had to build the carts our projectors would sit on as high as possible. We even ordered extra long poles just to be on the safe side. The screens also needed to be on stages to accommodate the height of the projectors.
Some of the projectors were placed at strange angles to avoid casting shadows of chandeliers and centerpieces on the screen. This is where the lens shift came in handy. It allowed us to both avoid these obtrusive objects and attain a great image by adjusting the vertical and horizontal angle of the lens. While the projectors were being set up another technician was making sure they would receive the right signal. Three laptops and a video camera were connected to a VGA scaler/switcher. This device allows different inputs to be linked to one output. The inputs (also called sources) can be switched with the push of a button. A distribution amplifier was used to split the output from one to four and also boost the signal. This allowed each screen to receive the same signal without a loss in image quality.
Once a quality image is attained the presentation needs to be perfected. For this event one tech controlled the mixing board and the switcher, another controlled two laptops, and one more tech was operating the video camera. We all ran through the presentation with the client a few times prior to the event. This is very important because it allows everyone to be prepared. We also made sure the laptops were prepared to display the various slideshows by loading both of them with everything. This gave us flexibility in case the order of the presentations changed or one of the laptops happened to freeze. Being prepared isn’t something that just happens. It takes a lot of pre-planning and hard work, but it is worth the effort.
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