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Bretford 3.66 x 3.66 projector screen will not go up

Motorized

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I have a haninex 800 dlsinstdual 8 I can load it but do not know the controls to zoom,focus,etc


If this has a motorized zoom and focus then it will be on the remote listed as zoom and focus or on the hard buttons on the projector itself. If you don't have this feature then you must focus and zoom manually on the lens itself. There will be two tabs or rollers that you make these adjustments with this.

Feb 15, 2015 | Office Equipment & Supplies

1 Answer

Changing fuse on Bretford Mobility Cart 20


First thing to check is if the power cable has been pulled out of the power supply under the top surface of the cart. Ours was pulled up just enough to not power the cart, even though it looked like it was plugged in. If that isn't the problem. then you will find two wing nut screws holding the power supply unit in place. Unplug all three cables running to the power supply, then unscrew the wingnut screws. Lift the black rubber cover off the surface and you can then lift the power supply out. You will find a fuse location you can access with a flathead screwdriver.

Nov 13, 2013 | Bretford Mobility Cart 20 for MacBook and...

1 Answer

Bretford iPad Cart Static Electricity problem


This was straight from a Bretford tech:

There are no capacitors or anything that can hold a charge on the cart itself. The only thing that we've been able to come up with thus far is that dry air in the schools may help generating static electricity. Common precautions would be 1. make sure the ground plug is still on the cord. (This can get broken off if the cart is moved with the cord still plugged into the wall.) Plugging the ground cord in won't help however if the person has to grab the door handle to open the door to get to the wall outlet. 2. If the air is dry (ie: people get shocks even without the cart or the problem goes away in the spring when the humidity goes up), gently push the metal of the cart handle against the door frame prior to reaching for the door handle. This will discharge any static electricity that was built up as the person walked with the cart safely to the door jamb prior to the person reaching for the door handle.

Nov 20, 2012 | Apple Computer Apple Bretford PowerSync...

1 Answer

Hi! where can i purchase a 12 volt trigger cable for a motorized screen


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.

Oct 31, 2009 | Optoma Panoview Matte White Motorized...

1 Answer

I have a faint rolling line moving from the bottom of the screen to the top. It's very noticable with dark screens. I have a new bulb in and have checked to make sure it wasn't the cable box. Any ideas?


Typically this problem is caused by line noise or interference, such as an appliance such as a fan, AC unit, or other motorized device on the same electrical circuit or electrical ground that your projector is connected to.

In a worse case scenario,like what happened to me, is that it may be that your neighbor has some device like an air conditioning unit that is poorly grounded and it sends a rolling line through the round and through to the cable tv's coax cable and back to the junction box. If this is the case, your neighbors probably have similar problems. For this type of problem, you can report it to the cable company for line quality problems, they can send a tech out and try to isolate the problem and where it is originating from. In my case, the third cable tech that came out traced it to a grounding problem on my neighbors house, but the cable company can't fix the problem unless the home owner grants them access to their property to investigate further.

Sep 28, 2009 | Mitsubishi HC1600 Projector

1 Answer

Screen won't stop rolling out


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

May 16, 2009 | Draper Baronet 106 in. diag HDTV MW...

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