From: peter2@hipson.net   
      
   On Fri, 1 Jun 2007 00:42:32 +0100, "Coyoteboy"   
    wrote:   
      
   >> I can't imagine how it would fail... High end of pot to the video   
   >> card, low end to ground, wiper to monitor/projector. Any failure there   
   >> would be rather unusual, to say the least.   
   >   
   >I was thinking if you had it faded "up" and then accidentally shorted the   
   >wiper you could blow the card,   
      
   Just as likely as shorting any vga cable, right?   
      
   >im unaware of the protection on VGA cards and   
   >overly aware of the lack of care/knowledge of students when handling   
   >hardware so I like to be extra specially sure it cant cause damage,   
   >especially as it may end up being used with something other than a basic PC   
   >etc, or even have a bored idiot pushing the end of a biro into it. I just   
   >like to cover my back!   
   >   
   >> That said, I've not seen any VGA outputs that won't survive some abuse   
   >> such as shorts. They are not high current devices... I don't think an   
   >> additional amplifier is worth the effort, afterall it could be the   
   >> failure point!   
   >   
   >Thats the kind of info I needed really, I know they arent high current   
   >devices but I've blown a few low current devices in my time with stupid   
   >mistakes and accidental shorts - the input device *could* be a custom-built   
   >high-end machine and I dont want to be liable for replacing the card, but as   
   >you say its not overly likely to fail. I'll knock one up at the weekend and   
   >let you know how it goes on.   
   >   
   >Cheers   
   >J   
   >   
      
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