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Horizon crooked
311 7 2020-9-4
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CreativeSky
Second Officer
Flight distance : 5737940 ft
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United States
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When I first got the Mavic I was impressed that the camera would always keep a level horizon. Now it seems it NEVER keeps a starit horizon. I can put in a correction but when I turn 90 degrees it is off and even worse if I do a 180.


Now I will admit that I get a compass error every time I take off but it seems it wants me to do a compass calibration EVERY TIME I want to take off which is a PIA. So I fly without doing a calibration. NO probelms at all except for the crooked horizon.


I have performed the compass calibration several times before take off and still get this same crooked horizon issue.


Any thughts?

Many thanks,
Houston


2020-9-4
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Smashey1
Second Officer
Flight distance : 160650 ft
Ireland
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Have you tried an IMU calibration? also a gimbal calibration too. The compass cal only sorts the aircraft orientation to magnetic North.
2020-9-4
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CreativeSky
Second Officer
Flight distance : 5737940 ft
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United States
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No I have not but I will try those things. Thank you.
2020-9-4
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Kwazy
lvl.2
Flight distance : 41227 ft
United States
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To piggy-back on this, I've also been experiencing a similar issue lately. It may have been present before, but became overly noticeable after a crash. I calibrated IMU and the gimbal several times now and it got much better than immedately after the crash, but now I notice that horizon remains slightly tilted when oriented in a specific direction (maybe west). I think manually adjust gimbal tilt (from gimbal settings) fixes the issue, but I'm not entirely sure yet if this is something I now have to adjust every time I fly, or if adjusting the tilt after calibration fixed the issue.

What is the cause of horizon misalignment when drone is pointing in a particular direction, and is there a way to fix it without sending it back to DJI? And if I send it back to DJI, is it something they actually can fix and recognize as a problem?
2020-9-4
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Matthew Dobrski
Captain
Flight distance : 1831050 ft
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Canada
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For whatever reason Mavic class drones seem to be very sensitive in compass department. If you're traveling, they'll demand compass calibration every 50-75 km. Compass is also very touchy in terms of magnetic interferences nearby. Stay good 5 m away from your vehicle while performing calibration dance.  Believe or not, metal clamps on my suspenders were causing a problem ... But I will never ignore compass calibration request. BTW, compass reading has nothing to do with crooked horizon in camera view. If anything, IMU does. IMU calibration must be done properly in order to deliver ...
2020-9-4
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CreativeSky
Second Officer
Flight distance : 5737940 ft
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United States
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I shoot a lot of Ranches here in Texas so I am constantly moving locations and I understand when moving long distances. But I am talking about shutting it off, changing a battery and then flying from the same location again. Compass requires calibration. So frustrating. I just ignore it any more because I would be getting motion sickness from spinning around so much from doing the compass dance.
2020-9-4
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DJI Stephen
Super Moderator

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Hello there CreativeSky. I am sorry for the trouble this has caused and thank you for reaching out. Kindly pleas try to calibrate the IMU of your DJI Mavic 2 Pro for us to be able to isolate the said issue. I will post an official DJI Tutorial video on how to calibrate the IMU of your DJI Mavic 2 Pro. Thank you.

2020-9-6
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dgibbphoto
lvl.3
Flight distance : 1041880 ft
United States
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My dji phantom 4 pro has a terrible horizon misalignment.  Most video shot while panning or yawing is unusable.  I finally sent it in to DJI and received an estimate for the fix.
I will follow up to let you know if this fixes the problem.
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