Nav data for own ship
In the upper right corner, navigation data for the boat is displayed
JMR-5400 User Manual 20201214 temp
Heading HDG Gyro heading or manual. Magnetic can
and is selected if one magnetic compass is mounted.
STW speed waterlog, Manual or GPS if there is no log
installed, NB! If GPS is used, only the along ship vector
of GPS speed is used.
SOG COG and POS can choose between installed GPSs
WGS 84 show datum on GPS position
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