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HPP System Troubleshooting Guide


Q: Why does the stitching in my processed output appear less than ideal?

A: We recommend a buffer margin of an additional 10m around your intended project site. In general, allowing for enough room on the edges to generate a good overlap will increase the number of photos taken for stitching. Another recommendation would be to do the mission a second time, configuring the flight direction of the mission to be at a 90 degree offset from the first flight(s) to get a “crosshatch” flight pattern. This will improve coverage and include more details of the sides of taller structures.

Q: I used GCPs and CHPs to take pictures of my project site. Why are my outputs unable to correctly utilize my GCPs for processing?

A: Having a minimum of 5 marked photos per GCP is a product requirement. If you do not have the minimum of 5 photos per GCP, we recommend you instead remove that GCP from upload or refly the area to achieve the proper overlap and ensure the minimum number of photos per GCP is available. You can learn more about properly uploading and marking GCPs in our Support Center here: https://support.skycatch.com/hc/en-us/search?utf8=%E2%9C%93&query=gcps&commit=Search.

Q: What do I do if the flight mode on the app says “unknown” and the waypoints will not load to start the mission?

A: To fix this issue when using an Explore1, turn the DJI controller’s flight mode switch to pro-mode, “P”. Then, turn off the controller and turn the switch back to Flight mode, “F”. Finally, turn on the controller again.

Q: I think there is something wrong with my Explore1 firmware and drone. Can you help me diagnose the issue?

A: Yes! You can connect your drone to a wireless internet connection via the USB to ethernet adaptor we provide to you in your travel kit. After doing so, we can go online to view your drone and help you diagnose the issue. Contact us at support@skycatch.com to schedule a time for this.

Q: Why does the Explore1 show photos captured in Flight1 but the SD card is blank after the flight?

A: This can happen if the firmware of the Explore1 drone and Flight1 app are not completely updated. Before flying, always check that all parts of the HPP system are up to date. Additionally, the MicroSD card should always be in a FAT 32 format; if you think you need to reformat your MicroSD card, you can follow the instructions in our Support Center, “How to Format Your SD Card for Explore1”.

Q: I did 3 flights with an SD card and it worked just fine. Then, I went to do my 4th flight and in Flight1 it said "Not enough storage available". I restarted the drone, took out the SD card, and reformatted the SD card. However, it still says "Not enough storage available." What can I do next? 

A: If you are using an Apple Mac, there is usually a hidden trash folder on removable storage. You'll want to plug the SD card back into your Mac and empty the trash. Please note that this process also removes your local trash, so BEFORE you go through this process, be sure you're not nothing important is in your trash. 

Q: I tried to launch a flight after using the Flight1 app to plan the mission. In my preflight checklist, all the indicators were green. I would hit the “Take Off” button, but nothing happened. I tried to restart both the remote controller and Explore1 drone several times. The remote controller would not connect to the Explore1 drone, even though both lights were flashing green. What is the issue?

A:  First, you should try seeing if the drone will connect to the DJI Go app that’s downloaded to your tablet. If the drone also cannot connect to the DJI Go app, the issue may be with the connection between the remote controller and tablet. The likeliest culprit would be the USB cable that you’re using, so we’d recommend first trying a different USB cable. Once you’ve swapped cables, please verify the connection to the drone in the DJI Go App. If you’re able to verify that the drone is connected via DJI Go, please close out the DJI Go app so that it is not running in the background, and launch the Flight1 app.

Q: Why isn’t my camera detected before I start flying the mission (like in the screenshot below)?

A: Our proprietary Skycatch camera comes pre-configured and ready to use. Unless your camera was damaged, this error is usually caused by an incorrectly formatted SD card, or a full SD card. You should try reformatting the SD card to be a FAT 32 format; you can follow the instructions in our Support Center, “How to Format Your SD Card for Explore1”. Additionally, make sure the SD card is empty, or near empty, before flying. Then, we recommend reflying your entire mission again.

Q: Why isn’t my camera detected during the mission (like in the screenshot below)?

A: Our proprietary Skycatch camera already comes pre-configured and ready to use, without needing additional calibration or set up. Unless your camera accidentally hit something, this error is usually caused by an incorrectly formatted SD card, or a full SD card. You should pause the mission and try reformatting the SD card to be a FAT 32 format; you can follow the instructions in our Support Center, “How to Format Your SD Card for Explore1”. Additionally, make sure the SD card is empty, or near empty, before flying. Then, we recommend reflying your entire mission again.

Q: What do I do when the Flight1 app says “Could not read from RTK GPS” (like in the screenshot below)?

A: Turn off your Explore1 drone, and turn off your remote controller. Then, turn on the remote controller and turn on the Explore1 drone. Once the connection is established, this message should disappear. Additionally, if you are in a service area with poor reception, your GPS readings from the Explore1 drone may be affected.

Q: I tried to import a .waypoints file into Flight1. Why does the app say “Mission import failed: Zero waypoints imported”?

A: It is likely because your .waypoints file contains absolute altitude waypoints, which we cannot accept for import into Flight1. Check your .waypoints file to make sure there are no absolute altitudes. Here is an example of an incorrect .waypoints file: https://skycatch.box.com/s/cc6u2k3ep1tehh3jind2pkulifrv38tj.

Q: What do I do when my Explore1 drone compass is not calibrated (like in the screenshot below)?

A: Follow the instructions in the DJI Matrice 100 user manual (found on DJI’s website) to recalibrate your drone’s compass, using the DJI Go app.

Q: I tried recalibrating my Explore1 drone’s compass. Why does the following error message appear (like in the screenshot below)?

A: The objects surrounding you may have strong magnetic interference. We recommend moving several meters or feet away from your original point, and try recalibrating again. Additionally, you can remove the objects that may have strong magnetic interference, and try again.

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