Topodrone SA
CHE-354.723.874 TVA
Rue du Centre 39, 1637 Charmey, Switzerland
+41 797 910 713
www.topodrone.org
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Compass calibration.
As the basic model, DJI Mavic 2 Pro Topodrone PPK needs the compass calibration (CC) each time
you move to the new location
. CC helps your drone to adapt to local magnetic field lines. During CC,
accelerometer and compass makes two rotations in different axes. After that, drone makes adjustment
between values of each sensors. To make correct CC follow next steps:
1.
CC makes directly before flight at the open outdoor area. Making CC indoor is useless
2.
Remove gimbal holder and unfold drone’s arms.
3.
Turn on the drone and RC, insert and plug the mobile device.
4.
Make sure, there are no large metal constructions or magnetic
fields in a 50 meters.
5.
Enter drone into CC mode. At least there are two ways:
a)
In the DJI Go 4 app open MC Settings / Advanced settings /
Sensors state / Compass / Calibrate compass / OK
b)
At the right side of RC, rapidly move the slider to S and T
positions not less than 4 times.
6.
Ensure that rear LEDs of the drone lights solid yellow.
7.
Put RC in the left arm and take drone from the in your right arm.
Hold drone from the top under the battery. Do not change the
orientation of the drone!
8.
Rotate drone to the left side (counter-clock wise) in 380 degrees
(a bit more than 360 degrees). Stop when the rear LEDs will
change color from solid yellow to solid green.
9.
Change orientation of the drone, turning it in 90 degrees in a
longitudinal axis.
10.
Rotate drone to the left side (counter-clock wise) in 380 degrees
(a bit more than 360 degrees). Stop when the rear LEDs will
change color from solid green to blinking green.
11.
If using 5a way entering CC mode, turn the Flight Mode slider to
P (central position). This is especially important!
12.
Compass calibration now is complete.
Before and after CC you can check the value of magnetic interference
in the DJI Go 4 App – it should be at the green zone after CC. If the app
notice you compass calibration failed (rear LEDs blinks red rapidly) – recalibrate compass at another place
nearby.
Notice 1: no magnetic or ferromagnetic objects on the body of pilot are allowed. For example:
massive jewelry, metal inserts or magnets in the end of the iPad tablet etc. If you have some of these objects,
even after successful CC, your drone will have “Compass Error” after taking off.
Notice 2: CC increase flight stability of the drone during the flight. But compass error can appear
even after absolutely correct calibration. It usually caused by different external interferences such are metal
objects, large antennas, electricity transmission lines (ETL)
