Man overboard
If a person or object falls overboard, you can use the Man Overboard (MOB) alarm to mark the position that your vessel was at when the alarm was activated.
Man Overboard (MOB)ActivatingThe MOB alarm is a system alarm that can be activated using the remote’s Waypoint / MOB button, or from a connected chartplotter.

Press and hold the Waypoint / MOB button for 2 seconds to activate the MOB alarm. The remote must be connected to the system to activate the MOB alarm.
The MOB page is displayed on the remote to help you navigate back to the position your vessel was at when the alarm was activated.