1 Touch screen - cursor control, chart panning and zoom, context related menus
2 Home key - opens home page for page selection and setup options
3 Rotary knob - zooming and menu scrolling / selection by press
4 Exit - exits menu dialogue, clears cursor from screen
5 STBY/AUTO - autopilot control
6 Mark - places waypoint at vessel location
7 Power - turns on unit, opens System Controls dialogue, long press turns o
8 Card reader door - access to dual card reader slot