I am using an IR trigger for a camera for photogrammetry, however, when I first plug the pixhawk in it gives a high PWM spike which in turn triggers the IR sensor to put the camera in record mode. This is a big problem and should not happen.
What am I doing wrong, or, why on startup is the pixhawk sending a high PWM pulse to the RC9 channel?
APM Plane 3.3.0