Hi, i'm new to this list and want to ask what it might be seem to as a 
dumm question.
Is there any way to detect a "no signal" on a bttv card? I'm using 
VIDIOCMCAPTURE-...SYNC ops to capture data from my bttv card and it 
works fine except when there is no cam i still capture blue images.
Any sugestions?
Len



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