Your FPV system is the unique and the most essential part of your quad. It gives you a live video feed to show you where the aircraft is travelling and enables you to perform mind-bending acrobatic movements. If a single part in your FPV system breaks during flying, then the quad moves down, all because of one part. A faulty FPV video signal, riddled with static can provide a quad ineffective, closing a fun day of FPV.
Before we get any further, you would want to ensure your fpv goggles are synced to your quadcopter.
If your drone flying in a great height without the FPV goggle, you can check the OSD info on the screen, it shows that there are no issues with the FC.
If the wire connection is stable and there is yet a black screen after you re-plug the connector wire, proceed to follow the next step.
1) For FPV drone, first, you should verify the screen.
2) For 4K drone or HD, kindly check whether the LED on the DVR board will flash or not.
a. If the LED on the DVR board will flash, then it will be ready to change into the grey screen.
b. If the LED on the DVR board will not flash, then you have to check with the board.
Insert micro SD card in the Air Unit and FPV Goggles to record the video. By default, the recording begins when you load the drone and it automatically ends and saves the video when you deactivate. You can further start recording by pressing a key by adjusting the setting in the goggles and you can take the videos in any place.
OSD data is stored in a “.srt” file and you can load it on top of your video when you see it or edit it. If the video fodder is black, but you can, however, see the OSD, then it's your camera that has to be diagnosed.
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