Aardvark
First Officer
Flight distance : 384432 ft
United Kingdom
Offline
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That's great news, I think the logic is that if the aircraft is connected and powered up that it will check and update that first (hence the 'plug in aircraft' bit). If the aircraft is not connected then it will happily check and update controller.
The device problems may arise from DJI Go 4 as it evolves seems to need more computing resource.
Calibrations only need to be done once from one device (the one that works best):-
There are five calibrations on the P4:-
1) Sensors (Using DJI Assistant 2 v1.1.2-2, latest version), usually done just after update on Assistant 2.
2) IMU (level surface, make sure it's had time to cool down if it's been powered up, say half an hour at lowest ambient temperature, a cool evening or air conditioned room below 10 degrees C helps).
Using the newer '3D' IMU calibration routine, my last two IMU calibrations have been done at about 20C ambient air temperature. The subsequent IMU warm up time when aircraft is first powered up and initialising does not seem to have been adversley affected, and warm up time is a few seconds at most.
3) Gimbal (just after IMU).
4) RC sticks (with aircraft off).
5) And compass (in an open area (not over steel reinforced concrete), away from ferrous materials or electromagnetic interference). Get one good calibration, and that should be all that is needed until informed by system or erratic flying that needs investigation. Note that any ferrous metals very close to legs (steel frame in desk, cutlery in kitchen drawer, windowsill strengthening etc) will generate a 'compass error', this does not mean compass needs recalibration. just move the aircraft away from source of interference.
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