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Author
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Topic: CNA 150 / FP-350 Cue Reading Problem
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Matt Hollis
Film Handler
Posts: 49
From: Paragould / Jonesboro, AR, USA
Registered: Jan 2005
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posted 11-25-2005 10:35 AM
I touched on this problem in an earlier post, but since then it has gotten worse. Here is the setup:
12 Screen Simplex Millenniums Strong Super Highlights CNA 150 Automation FP-350 Cue Detectors Strong AP3 Microwitch Platters
Anyways, these cue detectors randomly miss cues all the time. The weird thing is, sometimes they will miss the first cue and then read the second, but on the next show it will be opposite. This has caused problems for some time now. Plus, on a busy set like the 9:30 shows, if a movie on the other end of the building runs out without reading the last cue you get an alarm because the automation thinks it is still in the middle of the movie. We have tried:
Changing all cues Cleaning out the cue detectors
Any other suggestions?
Here is what I think it may be but am not sure how to cure:
In the older days of the theatre, smoking was allowed in the booth. I believe over time, this smoke has ruined the cue detectors. I am not sure how to fix this though.
I hope you can help me solve my problem.
Matt
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Monte L Fullmer
Film God
![](http://www.film-tech.com/ubbmembers/2797c.jpg)
Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004
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posted 11-26-2005 02:12 AM
..my two cents in as well...
On the back of the FP-350's you have a terminal board. And the wires, somehow, love to work themselves loose, yet look like they're still attached on that terminal board.
Seen this many a times with these when complaints start up about missing cues. Snug up the screws to make sure wires are in tight and secure.
Yea, just get a damp rag and clean under the 350 to let the LED's do their thing sensing film travel since so much dust loves to stick under there.
Also, BIG thing: if you're running a movie for quite a while, replace your cues since they will tire out and crack (being of aluminum, especially if your putting them on the edge of the film lengthwise instead of across) and when they get to this stage, they lose their conductive properties for the sensors in the 350.
..thx-Monte
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