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Thread: Touch Overlay for the oem NAV screen

  1. #1
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    Touch Overlay for the oem NAV screen

    I kinda prefer the standard interior look of my car. There's a VGA adaptor coming for the OEM Nav screen, so all I need is an input device.

    Would it be possible to install this touch overlay (7") over my Touareg's OEM NAV screen (6.5").

    Any help is appreciated!

  2. #2
    Maximum Bitrate SAScooby's Avatar
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    you sure its got a vga in ?

    if so that is so cool and you are lucky

    since the 7" touch screen is measured across the diagonal

    and the 6.5" is also the difference is small and as long as your are careful on how you mount it so it doesnt catch between the screen and plastic moulding it shouldnt be a biggie

    if you google there are 6.5" touch screen elements out there

    I would suggest as a first step to strip the dash and see how big the touch screen element can be, then go from there
    Nano ITX / 512 MB / 60 GB / Panasonic slot load / M1-ATX / Bu303 / Sound blaster 24 / PPi amps / rockford sub

  3. #3
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    Quote Originally Posted by SAScooby
    you sure its got a vga in ?
    Yep, it is VGA or even SVGA, they're still working out an adapter for it. http://forums.vwvortex.com/zerothread?id=1830214

    Quote Originally Posted by SAScooby
    as long as your are careful on how you mount it so it doesnt catch between the screen and plastic moulding it shouldnt be a biggie
    I guess that's what will be causing troubles. I think no overlay will 100% fit the the visible area of my LCD. There will always be some overlappings, so the overlay will be stuck between the nav screen housing (plastic molding) and the LCD itself.
    Does this per se mean a NO GO? Or are there overlays that can be stuffed between the plastic housing and the LCD?

  4. #4
    MySQL Error Scouse Monkey's Avatar
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    The calibration could fix any issues you have But i would try to not clamp the active area of the TS with the housing - ir set it back with a slight (0.5mm) gap and stick it to the housing or lcd int he perimeter (non active) area.

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    Quote Originally Posted by Scouse Monkey
    The calibration could fix any issues you have But i would try to not clamp the active area of the TS with the housing - ir set it back with a slight (0.5mm) gap and stick it to the housing or lcd int he perimeter (non active) area.
    Love the avatar!
    So, i should just look for an overlay with an active size that fits inside the visible area of my LCD screen and make sure the perimeter of the overlay is bigger than the visible are of my LCD?
    I'm not sure if i will be able to set back a gap between the LCD and the housing, will there be a problem if i cannot do this, meaning the perimeter area is clamped between the lcd and the housing?

  6. #6
    MySQL Error Scouse Monkey's Avatar
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    1st i would look for a 6.5" TS - thatw ould be best. Any overlay will be between 2-3mm thick so you will have to allow for this anyway - some trimming is likely to be needed. I am jsut concered by the frame putting pressure on the TS and giving you a false reading. that cannot be tuned out with the calibration.

  7. #7
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    I also seem to have trouble finding an overlay with a 16:9 aspect ratio that fits.
    The visible area of my screen is 5.5" by 3" (not exactly 16:9 either)

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