If it were only that cut and dry......However the Government will site The following as a major reason DJI is being harassed.
Market Dominance and Supply Chain Risks: DJI's substantial market share (estimated at over 70% of the U.S. commercial...
I have swapped cameras on these aircraft over 40 times and NEVER needed to calibrate ANYTHING. Without specific information on what “new gimbal” the OP
“installed”, we are only guessing at what will resolve his issue.