Furuno GD-1700C - Manual (Page 241)

APPENDIX
A-11
Icons
Icon Meaning
North marker. Points to North.
Correct chart and suitable scale - full chart reliability.
Chart overenlarged.
•
Chart card not inserted.
•
Wrong chart card inserted.
•
Chart scale too small.
Plotter, radar, sounder alarm setting violated.
Track is not being recorded or plotted.
Chart offset applied.
S A
V E Voyage-based route is 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.