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If not handled with care, especially in collecting, formation, tears bottom sides together q the metallic tube counterweight ago. Motorized Power Screens Deployed easily, at a fixed speed and in a stable manner. It can be operated with a wall switch or remote control. The level of the display is adjustable. It silent. It remains in perfect condition for many years. Point against an electric screen for wall or ceiling power supply: Requires a small installation to the mains 220v. You may want to visit Gamestop to increase your knowledge. It has a much higher price to a manual.

Summarized the main aspects of the pros and cons of rolling, both electric and manual, have sought now choosing the right projection screen size. What size projection screens? As a first recommendation will be linked to the achievement of a very simple little test, a test projection on a wall a piece of cloth, etc., And in this way to determine the ideal size of our screens, taking into account these main points into consideration: the size of the projection screens, will be determined by the distance of the observer. Although there is a theoretical minimum distances to determine these distances (minimum distance of 1.5 meters vision X by the height of the projection screens). Our advice is, sit on the spot from which to see their projections and play with the zoom on the projector, changing the size of the projection, if necessary, delay or advance the projector to achieve a greater or lesser size projection. Only thus can we be sure, not just what is the ideal screen size, if not, what is the size that it is more convenient for observer status and position (height, for example) of the projection screens.