Furuno NAVNET GD-1920C - Manual (Page 224)

APPENDIX
AP-11
Icons
Icon Meaning
North marker. Points to North.
Correct chart and suitable scale - full chart reliability.
Chart overenlarged.
Plotter, radar, sounder alarm setting violated.
Track is not being recorded or plotted.
Chart offset applied.
S A
V E
Voyage-based route currently being created.
Latitude and longitude position offset applied.
Voltage of battery on circuit board in display unit is low. Contact your dealer about
replacement.
S
I
M
Simulation mode.