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Thread: Touch screen overlay (mac compatible)

  1. #1
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    Question Touch screen overlay (mac compatible)

    Does anyone know of a 7" touch screen overlay that is compatible with a Mac Mini?

  2. #2
    StreetDeck Staff
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    Quote Originally Posted by ladams02 View Post
    Does anyone know of a 7" touch screen overlay that is compatible with a Mac Mini?
    It is compatible. You will need the Mac driver located here

  3. #3
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    I got the 700TSV for my Mac mini and it works perfect. Mac drivers are there. Im still getting used to the OS though. Its not hard. it just sucks when you are trying to double click in iTunes and the lines are on a 800x600 res, and you hit a speed bump. hehehehehe

  4. #4
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    I'm not looking for a new touch screen.. I want a touch screen overlay to place on top of my factory NAV screen. Any known to be compatible with Mac OS?

  5. #5
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    I think you find what you are looking for here: touchscreenoverlay

  6. #6
    Fusion Brain Creator 2k1Toaster's Avatar
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    Just to be more specific, you will need both the overlay and the controller. THe controllers are usually USB and the drivers are pretty universal. All OS's.

    And the NAV screen is going to be very very fuzzy with VGA resolution.
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  7. #7
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    So I checked out the 7" touch screen kit from Digital WW - http://www.digitalww.com/store/proddetail.asp?prod=TS7K

    It looks like this includes the controller as well? On the CD-ROM it lists OS 9, does anyone know if this is compatible with OS X as well?

    2k1Toaster- Do you think the picture quality will be that bad? I found an adapter for the video here: http://www.tvandnav2go.com They claim to have near HDTV quality. Where do you see the greater risk of losing quality, converting the DVI out of the Mac to component, or converting the NAV to accept the component input?

  8. #8
    Fusion Brain Creator 2k1Toaster's Avatar
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    Quote Originally Posted by ladams02 View Post
    So I checked out the 7" touch screen kit from Digital WW - http://www.digitalww.com/store/proddetail.asp?prod=TS7K

    It looks like this includes the controller as well? On the CD-ROM it lists OS 9, does anyone know if this is compatible with OS X as well?

    2k1Toaster- Do you think the picture quality will be that bad? I found an adapter for the video here: http://www.tvandnav2go.com They claim to have near HDTV quality. Where do you see the greater risk of losing quality, converting the DVI out of the Mac to component, or converting the NAV to accept the component input?
    I have only seen 2 factory nav screens that are VGA. And those were 640x480. Not easily hacked, but they have been done and posted their worklogs on these forums.

    The mac outputing high quality video is of no concern. The then conversion between that high quality digital DVI signal, to low quality analogue component is where you lose everything. Just hook it up to a regular tv. You will see what I am talking about. Text will look fuzzy, straight lines on the windows toolbars will appear distorted and slightly wavy. Just horrendous to look at.

    I don't think you will be very happy, unless you can convert or replace your stock screen to VGA. Then get rid of the converter and go just DVI-->VGA and plug it in, be happy.
    Fusion Brain Version 6 Released!
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  9. #9
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    I have actually hooked it up to a regular TV via RCA and know exactly what your talking about. Picture quality was very weak. I was just hoping there were some sort of solution to clean up the quality, I mean why would Apple even make that DVI > RCA adapter if the quality is so poor? I've read about people tweaking the quality using DisplayConfigX, any info there?

    I want to keep my stock NAV in place (just dished 1800 out for it when I got the car) if at all possible. And I don't believe I can just replace the screen, I would think this is all one unit.

    This could put quite the axe in my project if I can't get decent quality video into that NAV screen. I really have to believe there is a solution out there for getting decent quality video via component out of the Mac. I mean I could hookup a cheap DVD player and get decent video from the RCAs, surely a Mac could output similar quality?

  10. #10
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    No, you can't. You can't get good quality video from an RCA output. You can't. Repeat after me: You can't.

    This question is asked repeatedly and the answer each time is no, you can't.

    Why? Not because the Mac outputs a crap signal but because the NTSC video standard is far too poor to DISPLAY good quality video. There is no way to 'fix' the video signal. Why? Because the resolution of NTSC is much, much lower than VGA 800 X 600. It bleeds, it saturates, and it is prone to interference.

    VGA -> RCA = disappointment. The reason video looks good on RCA is because it is made for television and you don't notice the bleeding and inaccuracy of the picture. However, I bet you have noticed the difference between NTSC 'normal' television and HDTV. That's because they are two different standards. VGA is yet a different standard and equally different.

    Your only choice is to axe the nav screen and replace it with a VGA screen with video inputs and route your nav unit inputs into the VGA screen. Otherwise, enjoy your nav unit without a PC in the car.
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    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
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