hi I have a phantom 4 with the intelitte panel mod done to the receiver when I take it out to start it up it connects as it should records the home point gives me gps lock with 12 satellites all is good till I go to take off then I get a fast beeping noise from the controller have green light on the controller so it's connected to the drone everything is charged up just can't figure out why I get the beeping it starts right after I lift off.....anyone have any ideas or suggestions to look at?