MOUS_ICO Menu: Noise > Hard ground regions > Delete
or
MOUS_ICO Menu: Noise > Hard ground regions > Dialog box…MOUS_ICO Select one or several hard ground regions in the listMOUS_ICO Dialog box: Delete
nco: Select a hard ground regionMOUS_ICO Popup menu: Delete
Data about the selected hard ground regions are deleted. The dialog box Delete hard ground region appears, see Delete.