Safety Depth Configuration
Set the safety depth of charts
Level 0 (20 m | 60 Feet | 10 Fathom)
Level 1 (10 m | 30 Feet | 5 Fathom)
Level 2 ( 5 m | 18 Feet | 2 Fathom)
Level 3 ( 2 m | 6 Feet | 1 Fathom)
Level 4 ( none )
Default:
Level 1 (10 m | 30 Feet | 5 Fathom)