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• Safety Depth & Safety ...
Four shade Vs Two shades / Four shades/ Two shades/ ECDIS settings/ safety setting/ Difference between Four shades and Two shades
when should we use 2 shades in ECDIS ?
why should we use 2 shades?
Is it required to use 2 shades when using ECDIS in night mode ?
ECDIS night and day mode