How to synch multiple ios devices without making multiple copies on Mac

I keep most content on Mac Mini. Prior to Christmas, we were using about 200 GB of the 750 GB hard drive on the Mac Mini.
At Christmas, we added 5 iPads for the family. We synch each iPad to a shared iTunes library on the Mac Mini. Suddenly, the entire 750 GB of hard drive on the Mac Mini is FULL. I strongly suspect that the reason is that when we synch (or backup) all 5 iPads, multiple copies of the exact same content (mostly movies) are getting created on the Mac Mini.
How do I configure the Mac Mini, iPads, or synch within iTunes to NOT make duplicate copies of content? For example, if each IPad has movie "ABC" synched to it, we don't then want the Mac Mini to have 5 copies of movie "ABC".
Thank you.

Yes. The serial parameters cluster that contains the slave address is something you will just programmatically change as needed as opposed to using a front panel control.
By the way, you don't need to have 30 copies of the index array. Create one copy. Expand the bottom downwards. It looks like you start at #16, so just wire a 16 at the top, the ones below it will be successively 17, 18, 19..... If you need to jump to another number, then just wire a constant in for that one.
You also have some awkward datatype conversion to the dynamic datatype. This is going to cause you problems somewhere down the line. If you want an array from 3 scalars, just use Build Array!
Attachments:
ElectrexFemtoD4_LabVIEW_v4[1]_BD.png ‏202 KB

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Please help - multiple IOS devices, Apple ID's and synching

I have an iPhone and an iPad Mini that belong to me. Two of my kids have iPod Touch and soon a third will have one. So there are multiple iOS devices in the family, two of which are used only by me. Up to this point I've been managing them on one laptop running one iTunes library. I've made various playlists for the kids music, and I gave them each the specific games they wanted, and I put the games I wanted on my devices....certain games for the iPhone and larger, more involved games for the iPad Mini. I don't put music on the iPad because I only use music on my iPhone. So all 4 devices have a different selection of games, apps, and music on them. I've purchased everything with one apple ID....mine, and set each device up with it. Only I know the password so if one of the kids wants something, they still have to bring their device to me so I can put the password in for that purchase.
What I'd like to do is separate my kids apple ID's from mine. This way, they can use their apple ID's to sign up for other services, have their own saved game data in the cloud, etc. I'm running into situations where my son and I play the same game, but we keep overwriting each other's game progress because it's stored to my apple ID. But I still want to be able to control their purchasing, so I figured I'd have to attach my credit card to their new ID's as well, but just not give them the password, so they still will have to come to me to punch in the password to download something. But hopefully with this new setup, they'll have their own saved game progress that won't interfere with mine, even if we play some of the same games.
But how will this work if we synch them off my laptop? I don't want to get into creating separate libraries or anything like that, and I'd still like to be able to download some apps using iTunes and put them on the devices manually if I need to.
What is your recommendation on how to handle this??? How will it work exactly?

You can do anything you want with one iTunes, but:
Devices names must be different.
Don't sync anything under "Info" tab like Contacts Calendars etc. These info must be synced over iCloud. (Use a different Apple ID for each device)
Use the Same Apple ID for iTunes and App Stores settings in all iOS devices.
Message was edited by: cheonweb

Screen ipad doesn't respond during video viewing home sharing with multiple iOS devices simultaneously

A have a problem with the videos app and iTunes home sharing on multiple iOS devices.
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What happens on the ipads, after viewing for more than 10 minutes, the user interface doesn't show up when tapping the screen. The touchscreen doesn't respond, only the home button works. Clicking the home button closes the app, but the sound of the video keeps on playing. Opening up the videos app again gives a black screen with sound still playing and still no button or UI.
The only workaround which currently works is killing the videos app. Power off the ipad and power on again, reconnect to the shared library, wait until it has found all the content (1+ minutes) and startup the tv show again.
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Same here for over a year now.
You cant imagine how happy i am that im not the only one with this problem.
many of frinds have the same setup as me (ipad 2, 27"imac, express, apple tv 2)
No problem
I had the problem on Snow Leopard, lion and now on mountain lion.
I'am also starting to get a new problem - sometimes when waching a movie on iPad or ATV it just quits the movie and you have to start it again
on the iPad most of the time it also shows the wrong cover art. I tried all the hints here, and i works for a day or two then its wrong again
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