fgange57 Posted at 7-7 02:33
Due to your rather harsh feedback, I have reread (and search trough) the user manual (the latest version I have been able to obtain). The only thing mentioned regarding RTH and distance that may be relevant is the the drone will start landing immediately when closer than 5m to the Home point (it does not say that it will not return to the home point, and it does not say if this applies to both horisontal and vertical distance). In any case the flight record shows that the drone is more than high enough to start a normal RTH (but it didn't seem to do so), but for some strange reason, the second flight record shows that the drone think that it's really close to the Home point (even if it is not).
Why not refer to where you have found it? (And why do you assume I haven't read it? I may not be as perfect as you and may miss some information, but I alway read the user manuals for anything I purchase).  An English friend once told me: "Don't assume, because then you make an ass out of both you and me", so please do not assume anything.

I’m glad that you started reading the instructions, albeit not before the flights, but after you had questions. Better late than never.
Yes, I meant exactly this point, if the drone is closer than 5m from the home point, it will begin landing immediately, you could have learned about this earlier. The need for 7m during takeoff and a good GPS for an accurate landing could also be found in the instructions.Ok, I won't answer you anymore.

Serg SSA Posted at 7-7 03:14
I’m glad that you started reading the instructions, albeit not before the flights, but after you had questions. Better late than never.
Yes, I meant exactly this point, if the drone is closer than 5m from the home point, it will begin landing immediately, you could have learned about this earlier. The need for 7m during takeoff and a good GPS for an accurate landing could also be found in the instructions.Ok, I won't answer you anymore.

This is the second time I read the instructions. No point in being insulting!  It does not state that the drone will not land at the Home point, it just states that it will start landing, not necessarily avoiding the Home point.  In my case the drone was not as close as described in the flight log, and I did follow all the instructions for takeoff to ensure precision landing; -Waiting until Home point was updated and then I flew up more that 7 meters (12 meters the first time and 9,1 meters the last time).  I therefore followed all procedures to ensure presicion landing. Hence my question why it was failing (that was meant for DJI).

I am glad you pointed me in the correct direction regarding the flight log (kind of you), but I have no problems with not getting arrogant replies from you, and guess I will get results from DJI after they have processed my data anyway.

I wish you a good day, and if I may, I will suggest that a less arrogant response still will give the message.  I guess you also were in the starting pit once, and I am sure you would not like to be answered in  the way some of your answers have been sent.  Thank you for partisipating anyway.

fgange57 Posted at 7-6 03:40
Hi Susan,

I have now done the upload and I clicked on screen shot. The QR code and all other information was then gone and I understood my task to be finished, but I am not able to find the screen shot on the RC 2. Was I meant to use the screen shot function (same place as the recording function), or should I taken a screen shot of it with my phone?

Hello.Thank you for your active updates and cooperation. We will pass it on to the engineering team and follow up with them. Once we get the results, we will update you as soon as possible.

fgange57 Posted at 7-6 03:40
Hi Susan,

I have now done the upload and I clicked on screen shot. The QR code and all other information was then gone and I understood my task to be finished, but I am not able to find the screen shot on the RC 2. Was I meant to use the screen shot function (same place as the recording function), or should I taken a screen shot of it with my phone?

Hello. We have forwarded your flight records to our engineering team for analysis. Our engineering team recommends that you send the drone back for further diagnosis.Here is the link: https://repair.dji.com/gb/repair/index

DJI Susan Posted at 7-8 00:47
Hello. We have forwarded your flight records to our engineering team for analysis. Our engineering team recommends that you send the drone back for further diagnosis.Here is the link: https://repair.dji.com/gb/repair/index

That is kind of you, apart from that I then will be without the drone for quite a while (while the best flying conditions exist.  This is the only two times I have experienced that the drone did not perform a precision landing.  After you informed of the correct procedure, I had two previous successful landings and all landings since the two ones failing has been successful. I therefore doubt you will find anything if I send the drone in.  What I can to is to carefully be observant if anything like this should happen again. I just wanted to know if you could see any obvious reason why this happened that day. :-)

fgange57 Posted at 7-8 02:00
That is kind of you, apart from that I then will be without the drone for quite a while (while the best flying conditions exist.  This is the only two times I have experienced that the drone did not perform a precision landing.  After you informed of the correct procedure, I had two previous successful landings and all landings since the two ones failing has been successful. I therefore doubt you will find anything if I send the drone in.  What I can to is to carefully be observant if anything like this should happen again. I just wanted to know if you could see any obvious reason why this happened that day. :-)

Hello. We appreciate your understanding and we are glad to hear that you've had successful landings. We have forwarded the video you provided to our engineers for analysis, and no abnormalities have been found so far. So we recommend that you send the drone back for further diagnosis. If you have any further questions or concerns, please do not hesitate to contact our support team.

DJI Susan Posted at 7-8 02:26
Hello. We appreciate your understanding and we are glad to hear that you've had successful landings. We have forwarded the video you provided to our engineers for analysis, and no abnormalities have been found so far. So we recommend that you send the drone back for further diagnosis. If you have any further questions or concerns, please do not hesitate to contact our support team.

Thank you very much for the offer to send the drone back for analysis, but I am of the opinion that "if it ain't broken, don't fix it".  Currently, I have no problems, so I respectfully say no, thank you to this offer

fgange57 Posted at 7-8 02:29
Thank you very much for the offer to send the drone back for analysis, but I am of the opinion that "if it ain't broken, don't fix it".  Currently, I have no problems, so I respectfully say no, thank you to this offer

You're welcome. We appreciate your feedback and completely understand your perspective. It's fantastic to hear you're not experiencing any issues with your drone. If you have any further questions or concerns, please do not hesitate to contact our support team.

DJI Susan Posted at 7-8 18:26
You're welcome. We appreciate your feedback and completely understand your perspective. It's fantastic to hear you're not experiencing any issues with your drone. If you have any further questions or concerns, please do not hesitate to contact our support team.

Hi,
I just wanted to give you an update.  first of all, I finally found the screen shot you asked for (enclosed).

Furthermore, I tested yesterday what will happen if the drone is closer that 5 meter from the perceived Home Point.  It the totally disregards the precision landing and go straight down from where it is.  Looking at the logs, the misses now makes sense, but the note in the manual saying that the drone will descend if closer that 5 meter to the home point could probably have been clarified with the fact that the precision landing then not is in effect and that you should be especially attentive if you are required to abort the landing (which I am anyway). :-)

This definition says 5 meter. In the first flight, the floght record says 1,8ft (3,3m) from the home point when Auto landing is registered.  The second flight says 0,1ft (3cm).  None of these were accurate compared to where the drone was at the time of initiating Return to home, but still within what to expect from a GPS point of view.  The reason for precision landing was therefore du to the drones perceived distance to the Home point, so this is a point worth taken.  The 5 meters cannot be taken at direct value.  You have to consider at least as much as perhaps 5 meters more considering what the GPS conditions may be.

I have for many years been tracking myself during orienteering and it is there easy to see that the GPS can even miss with as much as 10 meters if the conditions are a bit poor (in dense forest).

I am happy anyway, because this learned me that in the right conditions, the drone is very good in readjusting when coming closer to the Home point.  I had a screen recording where i can see the "Shadow" is about a meter off, and when coming closer, the drone adjusts and lands on the landing pad.  The other lesson is that when you initiate Return to Home and is within a short distance of the Home point, you cannon epect precision landing.

fgange57 Posted at 7-10 02:35
Hi,
I just wanted to give you an update.  first of all, I finally found the screen shot you asked for (enclosed).

Hi there.Thank you for the update. We have forwarded it to our engineering team and we will update you as soon as we have the results.

fgange57 Posted at 7-10 02:35
Hi,
I just wanted to give you an update.  first of all, I finally found the screen shot you asked for (enclosed).

Hello, our engineering team has completed the analysis, you can check the following response.
1. From the flight record, you took off from the table in the park, and finally triggered the return, landing directly on the grass. This phenomenon is normal. You can see the screenshot of the flight record.

2. When you triggered the return, you were about 3 meters away from the table. At this time, the distance to the return point was less than 5 meters, and the aircraft landed directly. You can check the user manual for instructions.

3. We recommend that you fly out 60 meters away, then click the return to confirm whether it has landed normally. If you still cannot land accurately, you need to submit the flight record synchronously and export the aircraft log, and the flight time node.

Yesterday, I was doing a stationary Hyperlapse (i.e. Timelapse) at approx. 60m height (I had flown straight up from my Home point, a 360 axes turn, and then the Timelapse), and then I discovered something interesting.  Although the drone was this high, the distance to the home point was registered as 0,4 m.  I therefore suspected that I would not get a precision landing - and it did not. When the Return to Home was initiated, no green guide appeared.  I replaced the battery and did another flight more or less the same way, but this time, I descended a bit and flew horizontally 60m away before initiating Return to Home. The I got the green guideline and also got a perfect Precision landing.

If I understand correctly, It will be a good tell-tale if you don't get the green guideline, you will not get a precision landing.

PS. Where would I find the fuselage log and flight time node (if I ever would require it)?

fgange57 Posted at 7-16 01:09
Yesterday, I was doing a stationary Hyperlapse (i.e. Timelapse) at approx. 60m height (I had flown straight up from my Home point, a 360 axes turn, and then the Timelapse), and then I discovered something interesting.  Although the drone was this high, the distance to the home point was registered as 0,4 m.  I therefore suspected that I would not get a precision landing - and it did not. When the Return to Home was initiated, no green guide appeared.  I replaced the battery and did another flight more or less the same way, but this time, I descended a bit and flew horizontally 60m away before initiating Return to Home. The I got the green guideline and also got a perfect Precision landing.

If I understand correctly, It will be a good tell-tale if you don't get the green guideline, you will not get a precision landing.

Hello. You can refer to the following reply
1. Exporting Aircraft Log
(1) Download DJI Assistant 2 from the official website.
Download link：https://www.dji.com/uk/downloads
(2) Launch DJI Assistant 2. Within 20 seconds after the aircraft is powered on, connect it to DJI Assistant 2.
(3) After DJI Assistant 2 recognizes the aircraft, choose "Log Export", and then click "Save to local".
(4) The final exported data are ".dat" files.

2. You can refer to the following article for flight time nodes:
https://support.dji.com/help/con ... ;paperDocType=paper

DJI Susan Posted at 7-16 01:54
Hello. You can refer to the following reply
1. Exporting Aircraft Log
(1) Download DJI Assistant 2 from the official website.

Thank you for the information.  I did not realise at first that you had to start up the drone (since that is not necessary for looking at the drives), but your instruction were good.  I downloaded the Consumer drone version, and after connecting the drone it appeared in the assistant.  Clicking on the Drone icon opened for Potentially firmware update and Log export.  There are a few (but not as many as expected, goes back only to 24.06.24.

What I see is that there is an Exception Log dated 03.07.2024 (look at the enclosed picture).

Regarding the Flight nodes, this is something I already have looked at (but I did not know the name). It does not seem to be downloadable, and nothing in the description you sent me a link to says so either.

fgange57 Posted at 7-16 02:54
Thank you for the information.  I did not realise at first that you had to start up the drone (since that is not necessary for looking at the drives), but your instruction were good.  I downloaded the Consumer drone version, and after connecting the drone it appeared in the assistant.  Clicking on the Drone icon opened for Potentially firmware update and Log export.  There are a few (but not as many as expected, goes back only to 24.06.24.

What I see is that there is an Exception Log dated 03.07.2024 (look at the enclosed picture).

Hello. A suspected collision is marked in the aircraft record. When DJI Assistant 2 is connected, pin it and mark it with a yellow exclamation mark. The purpose is to help customers find which data are to be exported.
Flight time node: You need to click on the flight record, there will be a product model and flight record date (serial number 10 in the picture)

DJI Susan Posted at 7-16 03:01
Hello. A suspected collision is marked in the aircraft record. When DJI Assistant 2 is connected, pin it and mark it with a yellow exclamation mark. The purpose is to help customers find which data are to be exported.
Flight time node: You need to click on the flight record, there will be a product model and flight record date (serial number 10 in the picture)
[view_image]

The day that was marked had no collisions, but during another test of active track (manual), I got a message three times that the subject were lost - I guess I now know the limitations; You are better off using active track when no obstacles are around :-).

Regarding the Flight time node, I can see that you can get information also about how the controllers have been moving an any messages that appeared during the flight, but I cannot see anywhere that there is any possibility to download anything from this interface.  Are you suggesting this only to see what flight record I should look for, and if so, where are these files located.

PS. I downloaded one of the ".dat" files.  Does this file contain the Flight time node? And is there any way this file can be read? I am able to open it in Editpad lite, but it makes no sense, so I guess you need a program to read it.

fgange57 Posted at 7-16 09:11
The day that was marked had no collisions, but during another test of active track (manual), I got a message three times that the subject were lost - I guess I now know the limitations; You are better off using active track when no obstacles are around :-).

Regarding the Flight time node, I can see that you can get information also about how the controllers have been moving an any messages that appeared during the flight, but I cannot see anywhere that there is any possibility to download anything from this interface.  Are you suggesting this only to see what flight record I should look for, and if so, where are these files located.

Thank you for sharing your concern with us. Please be informed that you can check the flight records via the DJI FLY app. You may also refer to this link on how to Check Flight Records: https://support.dji.com/help/con ... paperDocType=paper. Please let us know if you need further assistance.