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This topic comprises 4 pages: 1 2 3 4
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Topic: Strong CNA-150 automation
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Pete Naples
Phenomenal Film Handler
Posts: 1565
From: Dunfermline, Scotland
Registered: Feb 2001
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posted 08-28-2002 05:09 PM
Brad, never seen a CA21, so I can't help there.I went straight from Cinemation to CNA! I've never done a CNA150, we only use the CNA200, but I doubt they are radically different. Unless I'm misunderstanding the 'wait cue' command, then you should be able to achieve this. Ken, if you REALLY program the CNA series, by over-riding what if I remember right is called show logic, you can make them do anything they are wired to do, it just gets more complex from a programming and cueing point of view.
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Jean-Michel Grin
Expert Film Handler
Posts: 222
From: Geneva & Lausanne, Switzerland
Registered: Jul 2002
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posted 08-28-2002 07:43 PM
Brad,In My booth we use the CPA-10, the ancester of the CNA series. In "normal" mode, one print for each projector, a cue is placed at the tail end of the leader to open the douser. In interlock mode a second cue foil placed prior the cue at the tail end of the leader is necessary to initial show logic. And is important to set each automation for each interloking loop with the same sync. number and each projectors with different ID number. I've experienced the same problem with two CPA-10 they stop without reasons durring the show. the only cure was to exchange the entire automation in one console. Sorry my English is really Bad, but I hope that you're understand me.. Sincerly, ------------------ Jean-Michel Grin - Europlex Cinemas (Switzerland)
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Brad Miller
Administrator
Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99
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posted 08-28-2002 08:49 PM
Ken, I know the CNA-150 can have it's start sequence timer set to any number I desire, but that is still not a "start cue". Doing that will still require that the operator thread to a certain frame on the leader. What ends up happening is the projector is threaded, then the projectionist kicks the motor switch on a couple of times as he gets the leader ran down to the point it needs to be...whether it is 7 seconds or 70 seconds. That is unnecessary murder on the motor and gears of the projector. Plus I still see people who roll it down too far and end up missing the start of the first of the film.Why in the world people design automations without a start cue is just insane! This is the one feature that almost everyone I bump into or work with wants (or appreciates if they already have automations that have it). Now I would welcome a "default countdown". The idea being that the projector motor will run until it hits the start cue, then 7 seconds from that point (which should be user adjustable) the douser will open and the show begins. However if after X number of seconds after the START button is pressed it does not see a start cue, it will automatically proceed with the show start sequence. Such a feature would be nice on the higher end automations out there, as that way if a cue missed on a timer start, the show would still run...just 30 or 60 seconds late (again, whatever the user set the default timer to). Of course, the xenon should never strike either until the start cue is read. No need to blast the xenon on the changeover while the leader runs down.
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Ken Lackner
Phenomenal Film Handler
Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001
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posted 08-28-2002 08:57 PM
quote: Ken, I know the CNA-150 can have it's start sequence timer set to any number I desire, but that is still not a "start cue". Doing that will still require that the operator thread to a certain frame on the leader....
I understand what you are referring to. I was simply saying that you can change the delay if you want to. quote: Of course, the xenon should never strike either until the start cue is read. No need to blast the xenon on the changeover while the leader runs down.
I dissagree. Some times it may take a while for the lamp to strike and the arc to become stable. I don't know about you, but I want to make sure that the bulb is lit and producing steady light well before the dowswer opens.
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