Adjust the sliders to choose the minimum and maximum detail levels you need. Be careful: higher zoom levels significantly increase the number of tiles and the final file size.
Constant data pinging drains your controller’s battery. Offline maps reduce the strain on your device's wireless radios. Step-by-Step: How to Download Offline Maps in QGC qgroundcontrol offline maps download
Use the map interface to center over your intended flight location. Adjust the sliders to choose the minimum and