![background image](http://html1.mh-extra.com/html/yacht-devices/ydhs-01/ydhs-01_user-manual_3080639020.webp)
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VII. Programming with Datum or Variation
To program the Device with this method, you must connect it to a network with a chart plotter. This method
of programming is tricky, but is compatible with virtually all NMEA 2000 chart plotters.
Figure 1. Setting the chart datum and magnetic variation on Raymarine c125