The manual spells out the requirements for the Precision Landing feature to work.
That's to launch vertically and climb to 7 metres before flying away from the launch point.
No pause is necessary.
Works with any drone equipped with the Precision...
I have found that when I takeoff, I immediately ascend to +/- 30' AGL and pause for a few seconds before continuing with the flight. I believe this allows the device to lock a hard location and 'images' of the takeoff point allowing for more...