As much as you enjoy flying your DJI Inspire 1 4K quad it’s important to note that you should be very mindful and responsible not only when your UAV is up in the air. The permanent maintenance and regular calibration of the drone are just as important as the safety measurements and precautions you need to take every time before you let your Inspire 1 take off.
It’s evident that this piece of technology is extremely complicated and fragile so, as any other hi-tech gadget, it’s normal to expect some minor malfunctions or other hardware/software bugs from time to time. DJI has been constantly improving the overall performance of their products by releasing firmware updates on a regular basis, so it’s necessary to update your drone as soon as a new update is available for download.
In case, you haven’t done this before here is an in-depth step-by-step instructional video from DJI on how to perform the update.
Unfortunately, updating the firmware is only the first step in the process. Calibrating the Compass and the Inertial Measurement Unit (IMU) is, even more, important. Let’s first see how to calibrate the Compass of the DJI Inspire 1.
It’s worth mentioning you will need an open space to perform the calibration away from any electromagnetic interference. And, here is the procedure step-by-step.
It’s mandatory to do the Compass calibration upfront as part of your pre-flight preparations, or if you have moved to a new location since the last calibration. To calibrate the compass, first turn on the DJI Inspire 1 and Master Controller. Open your DJI pilot app, tap Mode and then select Calibrate Compass. When you hit start, a light at the back of the Inspire should turn yellow. Hold and rotate the aircraft horizontally in a circle as shown in the above video. When you are done the light should turn green.
Now point the nose straight down. The indicator light will return to yellow. Spin another 360 degrees counter-clockwise. If the indicator light is now a solid green, the compass is calibrated. If the light flashes red and yellow, move over a few feet to another spot and repeat the compass calibration.
At last but not least, comes the IMU Calibration.
In essence, the IMU (Inertial Measurement Unit) is an electronic device that measures the drone’s velocity, orientation and gravitational forces, by using accelerometers and gyroscopes. Information that’s collected from the IMU sensor allows the flight controller to track the drone’s position. Think of the IMU as the brain of your drone as it keeps the UAV stable in flight. This is why it’s highly recommended to calibrate your IMU before your first flight and after every firmware update. Here is the IMU calibration procedure.
Before you calibrate, make sure your drone has at least 5 minutes to cool down if recently flown and also place it on a flat level surface. Again, open the DJI Pilot app, plug your mobile device into the R/C (remote controller) and tap the Camera option. This pulls up a screen with all the camera options. In the top left-hand corner, there is a MODE option. Enter Mode, navigate to Main Control Settings and click on IMU Calibration.
This process should take about 10 minutes. A progress bar will come up so you can see when your drone is done calibrating. Be sure not to move or bump your drone while it is calibrating or it will not calibrate properly and will affect your flight. There will be two messages that show up before you calibrate your drone. Click OK on both message and make sure you read them, indicating that the calibration is ready.
Now your DJI Inspire 1 is ready to take off.
[via: Premium Beat, source: DJI]
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