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IMU... wait, wait, wait and gooooooooo
280 3 2018-12-14
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gersphoto.orange
Second Officer
France
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How long did we have to wait before to fly with Inspire ?

2018-12-14
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DJI Gamora
Super Moderator

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Hi gersphoto.orange, thank you for bringing this query to us. We do apologize for the troubles you had recently with your aircraft. Have you encountered errors from the app before you took the flight? The IMU  calibration should take around 10 minutes. In Advanced settings-Sensors in APP, you can check the interference on the gyroscope and accelerometer under IMU settings. Tilt the aircraft in different directions and check the IMU bias reading. If parameters are in green and biases are small, calibration precision is high. You can tap Calibrate IMU to lower the values displayed. Kindly reach us again if you have concerns. Thank you for your support.

2018-12-14
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Matthew Dobrski
Captain
Flight distance : 1700092 ft
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Canada
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DJI Gamora Posted at 12-14 10:27
Hi gersphoto.orange, thank you for bringing this query to us. We do apologize for the troubles you had recently with your aircraft. Have you encountered errors from the app before you took the flight? The IMU  calibration should take around 10 minutes. In Advanced settings-Sensors in APP, you can check the interference on the gyroscope and accelerometer under IMU settings. Tilt the aircraft in different directions and check the IMU bias reading. If parameters are in green and biases are small, calibration precision is high. You can tap Calibrate IMU to lower the values displayed. Kindly reach us again if you have concerns. Thank you for your support.

DJI Gamora, I think OP is referring to un-successful IMU calibrating procedure. This issue I encountered as well. The calibration freezes at last step (#5) and never finishes. One must abort the calibration by app re-boot.

Solution: changing the position of aircraft may result with "Calibration Successful" message. Always confirm the results with IMU bias readings.
2018-12-14
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gersphoto.orange
Second Officer
France
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what I mean is when we want to fly how long does it take to wait after starting the drone to take off ?
I just need to know. I just want to know but apparently since some firmwares one of the IMU is very long to heat up or stabilize, almost 2 minutes. And if we do not wait, the drone drift, is unstable ... This problem did not exist before, it is also an incidence that produces the toilet bowl. I advise users to start the drone and DJI GO to check the IMU sensors before taking off, if they are not both green with a graduation close to 0 ... do not take off, the drone will be unstable it's going to drift. I do not know if it's the same for everyone, but this is the case for my Inspire 2
2018-12-14
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