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Author
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Topic: Barco S projectors lens position going out
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Steve Guttag
We forgot the crackers Gromit!!!
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Posts: 12814
From: Annapolis, MD
Registered: Dec 1999
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posted 12-04-2016 06:55 AM
I don't, currently, have any "S" series Barcos so I cannot comment on that aspect of this discussion.
With respect to the DP2000. Software wise, 1.4.82 is not only a stable version, it is likely Barco's last version (they haven't made any DP2000s in 7-years!
Things to do when you have a series 1 with drifting lenses. Clean ALL of the connections between the lens and the signal backplane. That is, clean the connectors on the lens to the lens mount, the cables from the lens mount to the harness (there are connectors all grouped together behind the boot of the front cover) and then where those cables plug into the signal backplane behind the ELCA box.
Series 1 projectors don't have a home/return to re-zero itself. It merely counts pulses in each direction to retrace its steps between lens positions. If you have any "dirty/staticy" connections, it WILL lose count. I have had DP2000s that were routinely losing their settings that NEVER had the problem again after doing this.
Another thing to do is to periodically (at least once per year), delete ALL lens files, select a different lens of the same brand in Communicator and then reselect the correct lens. This will force the projector to start at square (well, position) 1. Then recreate your lens stops (the fewer the better). And remember, a Series 1 recreates your steps so you want to get to your lens position on the 1st try for each position (x,y, zoom and focus). If you tweak it by nudging it a little bit back and forth, it will need to recreate each one of those steps and that will increase the likelihood of it not hitting its mark next time and increase the chance of missing things.
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