Video feed not going thru the Osdoge to the transmitter.

Need help with the Osdoge board. There doesn’t seem to be any video signal coming from the camera ( Lumenier 650 mini). I can get the camera to work directly off the transmitter ( Immersion 600). So I know it’s working. I also know there is power going to the camera when plugged into the Osdoge board. I’m thinking it might be the switch next to the USB. Thanks for any help. I’ve only had the osdoge for a short time. By the way, I did have it working and then it stopped.