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Thema: Simultaneous GPS screen Nowada 117 (S60 navigation system)

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    Kann kein Chinesisch Avatar von alexfun
    My Car
    opel astra 2007
    Radio
    s60
    Dabei seit
    12.02.2012
    Beiträge
    4
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    Standard Simultaneous GPS screen Nowada 117 (S60 navigation system)

    Hi all!

    First of all hello to everybody! My name is Alex, I recently bought one Navigation system for an Opel Astra with a NWD117 on it.

    One of the biggest problems of a 2din on the Opel Astra is that they are located too low on the cockpic, and therefore it is quite hard to follow the GPS while driving. Therefore I had the "fantastic" idea to buy a sunvisor with screen in order to follow the GPS on it.

    Unfortunately, the navigation system does not allow to extract any signal from Windows/GPS board. You can play with the PIP, and the 2 Zones, but no image from the GPS will be visible on the second screen (You can see the GPS on the main screen while on the "external" screen your childs could follow a film)...

    Software wise it seems not possible to enable this option, and after some research, I though I could bypass the problem by fetching the video signal from the Nowada 117 board direcly. Therefore I would be able to have a "permanent" GPS video signal on the external screen.

    I am facing several problems for that:
    -I need to identify the source signal type, according to the Nowada datasheet I may have CVBS, YCbCp or RGB signal. By grounding the output I found out that it should be composed by 3 signals pin 4, 5 and 6 react releasing colors, so at least it does not seem to be CVBS..
    -I would need to include a PCB in order to clone the video signal (could it be a passive one??)
    -I would need to include a PCB to convert the signal into CVBS (as the input of the external screen)

    I saw that somebody said that I was not the first doing this on the forum, but I do not find out who and how did that. Anybody can remember about this?

    Does anybody propose another solution/idea for this project?

    Thank you so much!!

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