Single-Action Function Buttons

Functions that require no more than one action from the navigator.

The single-action function buttons are located on the left side of the ECDIS screen and provide quick access to the most frequently used functions.

Button	Action
	Center on ship position
	Enable/disable ship position lock to screen center
	Motion mode
	Chart orientation
	Switch **Master**/**Backup**
	Enable Info symbol
	Anchor Watch
	Operational Settings
	Go to Dead Reckoning tool
	Man Overboard
	Event mark
	Open electronic help
	Enable standard display
	Enable CATZOC symbol
	Target suppression
	Switch River/Sea mode
	Main Menu