Hi Paolo,
I used the structure scan option of pattern menu;
and set:
E90
overlap 70%/70%
Scan distance 9m
Ground Res 0.3 cm/px
Start Scan From Top
Structure Height 17.00m
sac bottom Alt 2.0m
Entrence/exit Alt 50.0m
But I find no where the "Hover and capture image" option as in the Survey case