Users buy projection screen step summary: Step 1 Choose the screen type: electric screen, wall screen, frame screen, scaffolding floor screen, projection screen for multimedia systems, pneumatic landing screen, sitting screen, desktop screen, swing screen, aluminum screen frame, fluoroscopy screen Step 2 Select Format screen: screen a variety of picture formats, such as 1: 1, 4: 3, 16: 9, etc. You may need to choose according to the purpose of use, special specifications can be according to customer requirements. Step 3 Determine the screen size. Three factors determine the ideal size of the screen: if you need to install the screen space to meet the above conditions, the intelligent system projection screen, use the brightness of the projector about 1000Lm, you can select 100 "screen surface gain β≥2.8 treasure as special bead electric screen, increase the brightness. As for how much of the screen, it is up to your space and your own design. electric projection screen using a manual switch or remote control "UP" button, screen will expand downward projection screen, and to the factory preset position is automatically stopped, pressure to pull the curtain: Please open the front on both sides of the support plate is pulled out, in order to increase the stability of the product set up, after unbuckle the left and right ends of the housing, open housing match projector and projection screen, light pull the lever at the center (do not pull on both sides, so as not to damage the bracket and curtain), and gently pull up, you can stop at the desired height. projection screen projector _ _ Wuhan projection screen name Zatan provided by Wuhan Engineering Co., Ltd. Jiuhua video projection screen _ _ Wuhan projector projection screen name Zatan Video Jiuhua Wuhan Engineering Co., Ltd. (www.jowa-tech.com) this year introduced a new upgrade, more Picture for reference only, please call Tel picture on this page or to obtain the latest information, contact: Mr. Lu.