Minimum safe width
During the start up wizard you can set a minimum safe width for your vessel. The minimum safe width can also be added or changed at anytime from the Boat details setting menu: .
Minimum safe widthA suitable value for minimum safe width can be established by identifying your vessel’s maximum width and adding a safety margin to each side.
Maximum width — Taken from the widest point.
Safety margin — An adequate clearance to either side of the vessel.)

Port safety margin
Maximum vessel width (beam)
Starboard safety margin
Minimum safe width