I need assistance once again.
I was due to go out for a days sail in the bay today, fired up my chart plotter and discovered the chart was rotated 90 degrees to west. Vessel heading on display still faces true to actual vessel heading. The vessel position seems ok as it is moored but moored in the wrong direction due to chart rotation.
Also the AIS
(500) displayed the vessels as per normal but after trying to figure out how to rotate the chart, I seem to have lost
vessel overlay display on the plotter.
Can anyone give me advice on why it could be that the chart is suddenly rotated?