You will probably need to update the firmware on the autopilot to see the camera angle. Connect the rov to your computer and go to 192.168.2.2:2770 in a web browser.
Connect the rov to the internet them click the system button at the top. On the system page, click the stable button in the pixhawk firmware section.
Do forward and yaw work correctly? Make sure you do the configure motor directions step in our setup document.