Garmin GPSMAP 278 - Manual (Page 24)

Man OverBoard (MOB)
Use the MOB function to simultaneously mark your current location
and create a direct route back to that location for quick response to
emergency situations.
To activate the MOB function:
1. Press and hold the NAV/MOB key, or press the NAV/MOB
key twice.
2. Press ENTER to confirm and begin navigating to the MOB
location.
When a MOB is activated, a MOB waypoint with an international
MOB symbol is created, and the unit begins actively navigating to
that point. Use any of the navigation pages to guide you back to the
MOB point. The MOB waypoint is stored in the waypoint list and
can be deleted like any other waypoint.
GPSMAP 278 Owner’s Manual
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