DV-In how to enable in JVC DV Camera Model GR-DVL505u

I have seen some software solutions on how to enable the ability to
write DV video back into the camera. However, I dont see my model
being supported, so I havent taken the plunge. Does anyone here have
this model camera with DV-In enable? i want to be able to transfer
the DV files to the PC for editing, then transfer it back to the
camera.


Please let me know guys.