GH3 on Zenmuse GH4, Video Output NG?

So it is a brand new S900-A2-GH4 package and this is my second rig I have put together but I was using the GH3 gimbal before. Anyways gimbal responds fine to controller input and upgraded to latest firmware in assistant software before checking the video output so I am not sure if it was right before updating firmware. For whatever reason the standard video output on my monitor from the gimbal is flashing like I have it in PAL mode. Double checked connections, switch is in AV mode and monitor settings are correct and verified using my other forward look fpv camera. GH3 camera ouput mode is on Auto just like it was on the gh3 gimbal??? Am I missing something here?


Firmware:
GCU 2.4
CMU 1.0
HD-AV Converter 1.18
IMU 1.8
 

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