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Thread: linking backseat monitors

  1. #1
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    linking backseat monitors

    i am trying to put together a system with the new mac intel mini at the center. I am trying to plan everything out before i jump in and start buying things. i have a question. how can i send the video feed from the mac mini to the main touchscreen monitor in the front AND to two monitors in the headrests of the seats to people in the back?

    afaik, the mini only has the one dvi output port.

    i was looking into getting the xenarc 700tsv - with the 2 aux inputs - (to use aux2 for a rear-view camera as well)

    does that screen have a output ? or do i buy a VGA splitter ? whats the best way? thanks!

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    VGA splitter is the way to go - as long as you aren't trying to get different images on different screens.

    You can save bucks if you go with video rather than VGA screens in the back. If you only really want them for DVD playback, then video will be fine. If you want a sharp and crisp picture on them, then stick with VGA front and back.
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    all i really wanted to do was duplicate the screen in the back - if it was the desktop or dvd or whatever. if i go buy the cheaper screens (non-vga) will the desktop screens look really that bad in the back ?

    i will actually mostly be using frontrow to play music/movies/dvds

    i would like to save the $$ by going non-vga but not if it will look horrible for the computer screen shots.

  4. #4
    Variable Bitrate viper24's Avatar
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    if you have vga on your main touchscreen, you will be fine. you wont be able to read fine text on the rca screens in the rear, it wont look terribly bad, just a litle unsharp. still great for movies and stuff. you should be able to see frontrow pretty well from back.
    2005 Dodge Ram HEMI

    http://www.cardomain.com/ride/2239451

    15" LCD touchscreen
    Mac Mini
    6" Headrest monitors
    Modded Xbox

    5 PSone screens going in doors
    And another 15" LCD!

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    i was just thinking if i dont have VGA monitors in the back - and i have just regular screens - then how would a VGA splitter solve my problem ? Do they make then from VGA -> s-video ? or do non-vga monitors still have a vga input ? (that doesn't really make sense tho!)

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    anyone got a solution to this ?

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    Maximum Bitrate JimmyFitz's Avatar
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    Quote Originally Posted by robert42
    i am trying to put together a system with the new mac intel mini at the center. I am trying to plan everything out before i jump in and start buying things. i have a question. how can i send the video feed from the mac mini to the main touchscreen monitor in the front AND to two monitors in the headrests of the seats to people in the back?

    afaik, the mini only has the one dvi output port.

    i was looking into getting the xenarc 700tsv - with the 2 aux inputs - (to use aux2 for a rear-view camera as well)

    does that screen have a output ? or do i buy a VGA splitter ? whats the best way? thanks!
    You can do it with a VGA Splitter. Here is one:
    http://www.mp3car.com/store/product_...products_id=38
    I just bought a similar one, cheaper, not gold connectors to try out. It works, BUT there is one big concern: When I plug in the second monitor, both screens are displaying but the brightness is greatly reduced. If I unplug either my Xenarc or my desktop CRT, the remaining screen comes back to normal. This is ok for my purpose of testing the carpc at my desk, but it would not be OK in my car permanently. There are amplified VGA splitters, 2-way, 4 or more ways. That is what you need. They will require a power feed of some kind so look around to see what you can find that might take a DC voltage that your PC already has available.
    ~Jimmy

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    I bought an adapter on eBay that plugs into the VGA port, and then splits it into another VGA port (to connect another monitor), and then another plug which is RCA. There is also a USB connector that amplifies the signal. I think that it cost me $30 shipped to the US. It is white, with a power button on it. Looks almost like a mac accessory but not. There is a full/wide screen button on bottom too. Great product. I bought it to use for a MythTV box, but never got around to it, so now I just use it to watch movies on my tv from laptop. I'm sure if you check eBay, you'll be able to find it. I can send you a pic if you need.

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    Newbie OmegaAvenger's Avatar
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    Quote Originally Posted by JimmyFitz
    You can do it with a VGA Splitter. Here is one:
    http://www.mp3car.com/store/product_...products_id=38
    I just bought a similar one, cheaper, not gold connectors to try out. It works, BUT there is one big concern: When I plug in the second monitor, both screens are displaying but the brightness is greatly reduced. If I unplug either my Xenarc or my desktop CRT, the remaining screen comes back to normal. This is ok for my purpose of testing the carpc at my desk, but it would not be OK in my car permanently. There are amplified VGA splitters, 2-way, 4 or more ways. That is what you need. They will require a power feed of some kind so look around to see what you can find that might take a DC voltage that your PC already has available.
    It is dimmer because each screen is only getting half the signal. Ever hooked two pairs of headphones to a walkman? neither pair is as long. The same will happen with a simple splitter (or lower quality amp) because each monitor is getting less of a signal. I know this because I work for a computer shop that deals with mostly used stuff, and our monitors are always dimmer on our display rack when pluged into one of our four(all 8-way) amps than any hooked directly to a pc.

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