Add camera driver to dvr

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Add camera driver to dvr


 I have a problem to use the ptz funtion on a sony camera with a visca port.

The problem is that the camera doesn't move when i press the button on my controller. I guess the hardware is correct installed, but my dvr player has no EVI-D31 in the list of come devices. I found a driver on the internet for the EVI-D31, but how do i get him installed on my DVR?

Can someone help me pleas?