I hope I understand what you want.

Connect your camera to a TV using the video leads that probably came with it, this will give you realtime full screen from the camera. All new panasonics give you the ability to take snapshots to an SD card whilst recording video, and can be done from the remote control, you don't say what camera you have, but it may have the same features.

Using this method will give you live output, stills on an SD card an the video recorded to tape, so you could edit the whole lot together later if you wished.

Mike.

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Edius Pro, ADVC300