Furuno RP180 - Manual (Page 13)

2. CHART CARDS
2-2
2.1.2 Chart icons
Chart icons are displayed to alert you to chart status.
Chart overenlarged
or wrong chart. Chart properly
displayed. Chart
overenlarged.
Chart icons
2.1.3 Ejecting chart cards
Chart cards may be ejected with the radar turned on or off.
1. Press the EJECT button on the card slot.
3. Remove the chart card.
2.1.4 Troubleshooting
• Card inserted but no chart appears.
• Small island, etc. not filled in.
• Card is removed but chart remains on the screen.
To rectify the above cases, press the [+] or [-] key.