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Author Topic: 3 projector digital
Tom Ruff
Film Handler

Posts: 36
From: Burbank, CA, USA
Registered: Mar 2011


 - posted 04-10-2016 03:35 PM      Profile for Tom Ruff   Email Tom Ruff   Send New Private Message       Edit/Delete Post 
has anyone ever connected 2 or 3 DA20's for 3 machine changeover? Quickest easiest seems to be analog out of one to the analog input of the second. and then logic OR the mode switching between the two of them and the CP65. The only hang up that i see is the DA20 that is doing 2 machines does not have a nothing on screen input for the changeover. the motor functions should work ok. Another possibility is 3 DA20 with no projector 2 connected so the two that are not working would see no valid data and revert to the analog input. Last possibility which involves the most wiring is a relay to switch everything between 2 DA20s on the machine 3 changover. I've also not used the DA20 analog input since the CP200 days. If I remember right if format 10 is not selected on a running machine, the DA20 passes the analog in to analog out., correct?

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 04-10-2016 10:54 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
Look in the Warehouse for the AFI/Silver. Two DA20s for a 4-projector installation with a CP200. Yes, they are daisy chained on the JM11/JM21 connectors but also with some logic such that only the right DA20 is hot at any time as well as there are DTS players and the operators can choose which digital has the priority for any particular show.

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Tom Ruff
Film Handler

Posts: 36
From: Burbank, CA, USA
Registered: Mar 2011


 - posted 04-12-2016 07:27 AM      Profile for Tom Ruff   Email Tom Ruff   Send New Private Message       Edit/Delete Post 
Thanks, I will go look. I have two booths to set up for 3 machine.

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