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DVE key signals

5 replies [Last post]
Thu, 10/11/2007 - 13:50
JDG_WXnet
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 11 Oct 2007

Greetings this one may be tough to explain so I hope it's not too confusing:

We have our DD20 hooked up to an older Pinnacle DVE (Xtreme). For the DD20's DVE outputs, instead of using DVE1 to send video and DVE1 key to send the key, were are using them both to output video. We are doing the same thing for DVE2 and DVE2 key.

Therefore, we are using it to send 4 video signals: DVE1 to our DVE's input 1, DVE1 "key" to our DVE's input2, DVE2 to Input 3 and DVE2 "key" to input 4.

When we select DVE1 and change it's video, the output of DVE1 key by default sends out 100% white. According to the DD20 manual, this is supposed to happen if there is no key signal present . We don't want it to do this, because if we have that DVE input on air, it goes white on air. We want it to leave the output alone. In essence, I want the switcher not to look for a key signal when I change the DVE output or to not associate DVE1 and DVE2 if that is possible.

Interestingly, on our DVE2 and DVE2 key this does NOT happen. Sending video to DVE2 does not send white to DVE 2 "key", it leaves it as is....which is what we want to have happen on 1 and 1key.

Basically, it appears that there is something set up different between our DVE1/1 key and our DVE2/2 key and I was wondering if anyone knew what it could be.

Thanks kindly
John Degaris
The Weather Network Canada

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Fri, 10/19/2007 - 07:09
#1
Rolf Grzibek
User offline. Last seen 12 years 49 weeks ago. Offline
Joined: 24 Oct 2005
Hi John, Are you remote controlling the DVE from your DD20? It sounds like you have set it up that way as DVE1. (in SETUP under DVE1 Connection - Port = one of the three serial ports) If you have setup a DVE connection then the software drives the DVE/DVE-KEY buses as a pair - i.e. automatically selecting the CG-key with CG (and White for sources that do not have a key signal). So I am assuming that you have set up DVE1 Connection but not DVE2 Connection. That is why the DVE1 pair and the DVE2 pair behave different. Also fyi, after you have selected the source on DVE1 (and DVE1 KEY has followed) you can select another source on the DVE1-KEY bus. You just need to hold down the DVE1 key in the AUX bus Delegation when selecting the source. Of course, as Sean suggested you can use 'regular' AUX buses for your purpose as well. hope that helps Rolf Grzibek
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Sun, 10/14/2007 - 21:43
#2
Sean
User offline. Last seen 5 years 30 weeks ago. Offline
Joined: 26 Aug 2005
John, uncoupling DVE1 from DVE1 key in your install menu won't change that. That association only applies to how the key bus operates. It won't change the fact that selecting a new source on "DVE1K" (by which you mean, press and hold the DVE1 button, correct?) a "key signal" is still sent down the path, since pressing that button is technically routing an aux bus. They just give it the handy label of DVE 1. I surprised that your DVE2 is not also doing the same thing. I don't see how *that* part works. I'd be interested in hearing, though. A work around if you have some spare aux buses left is to not use "DVE1 key" for your source 2 and instead use one of the regular aux outputs. For instance, on a 3 channel DVExtreme I have the sources assigned as: DVE1- DVE input 1 DVE1K- DVE input 2 DVE2- DVE input 3 DVE2K- DVE input 4 Aux5- DVE input 5 Aux6- DVE input 6 When using the last two (aux 5 and aux 6) you don't run into the key signal problem because the two auxes aren't associated with each other at all. Hopefully that helps. Sean
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Fri, 10/12/2007 - 18:02
#3
Michelle S.
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 18 Sep 2007
Hi John, Not near the switcher but its in the install menu. If you look in the manual index under coupled to it will explain. I'll get back with you on Monday because it may be more involved. Do you use your DVE as transitions (as a wipe) also?? Michelle
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Fri, 10/12/2007 - 13:11
#4
JDG_WXnet
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 11 Oct 2007
Thanks Michelle, In our case, we actually CAN do without the DVE key signals. We only use our DVE for limited things now. Do you happen to know how to set the switcher up to NOT look for a key signal? Our DVE2 and DVE2k appear to be already set up like this and does not use the coupled signal (it does not seem to associate DVE2 and DVE2key at all) which is what i'd like to do with DVE1 and DVE1k. Thanks for the response, John
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Fri, 10/12/2007 - 06:44
#5
Michelle S.
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 18 Sep 2007
I struggled with this for days until I realized what the deal was. The reason why DVE1 changes is because you have DVE1 input assign coupled to the DVE1 key source. So you may not want to change that and just work around it because I'm sure you also key your dve for split boxes. Michelle PS its not defaulting to white its going to that sources key signal.
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