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Hello, Most projectors have a 1/8 inch (mono) or tip and sleeve female connector for screen trigger and output 12volts dc when the projector is powered up. So if the Optima screen has the optional trig in and it's 12 volts the cable is very easy to put together. Optima may have a cable available or you could spend just a few bucks at Radio Shack and your all set.
OK this is what you have to do. Think of it as a window blind. Pull at the center about a half an inch and let up slowly. If this does not work try a little more and more. Be careful not to pull to hard. It's going to be pull and let go action until the spring lever gives. You might even try one person on each side, the only problem with this is you tend not to get an even pull causing your screen to retract unevenly. What I found with manual projector screens they all have this problem. The trick is not to open it up all the way until it breaks in. Don't open the top assembly as you could open up a can of worms.Two choices might be to permanently install it on a wall using the studs. Find out if it is still under warranty. Hope this helps. Sorry for your luck. Let me know if I can help you out with anything else. JimmyC
There is a rubber grommet on the left top of the projection screen, insert the supplied Allen key and turn anticlockwise and adjust turn by turn till the screen rolls out with just 2 to 3" of the black border shows on the top
The problem is most likely a damaged spring end cap. As you face the screen from the front, this is the cap that covers the right end of the cylinder that encloses the screen material. The cap is held in place by 3 Phillips head screws. If you remove the spring end cap, you will see a slot in it that is designed to hold the spring assembly stationary as you pull down on the screen. If this slot is damaged, then the internal spring inside the roller will lose tension. The fix is to pull out the screen & roller assembly, roll it back up manually, then replace the spring end cap with a new one. (I believe the part # from Quartet Apollo is K0329). The cap at the other end has a cup receiver designed to accept the pin end that is on the left side of the cylinder that houses the screen material. The tricky part is fitting the pin end back into the pin end end cap. It is easier with 2 people. If you fashion a short hook out of a coat hanger. you can use it to lift the pin end into the pin end cap. There are part #'s and exploded diagrams on the Pegasus part sales website: http://shopping.netsuite.com/s.nl?c=440001. The site is down now for maintenence, but it should be back up soon. HTH