Furuno RC-1800F Operator's Manual page 173

1: Display NMEA Data
2: Calendar
3/4: Remote A/B
5: Distress Frequency Table Displays all distress frequencies.
2-8
Function key [F4]: Window menu
The Window menu displays data together with current screen.
Window
1: Display NMEA Data
2: Calendar
3: Remote A (TX/RX)
4: Remote B (DSC)
5: Distress Frequency Table
Figure 2-10 Window menu
Displays NMEA data: position, speed,
Heading, water temperature and depth.
Displays desired calendar month and year.
Entering commands on this screen enables
remote control of a FURUNO radio trans-
ceiver and DSC terminal connected to Re-
mote A and Remote B terminals.