When the TERR On ND button is pressed on the Airbus A320 Cockpit, the TERR information apears on the ND, and 2 boxes in yellow appear.
What do the numbers 146 and 073 mean respectively?
14600 ft and 7300 ft.
A320 FCOM DSC-31-45 :
Minimum and maximum elevations encountered ahead of the aircraft, within the selected ND range.