User manual

Telegramformats
Headingconversions
Toobtainmagneticheading:Addeasterlydeviation(E)tomagneticsensorreading,or
subtractwesterlydeviation(W)frommagneticsensorreading.
Toobtaintrueheading:Addeasterlyvariation(E)tomagneticheading,orsubtract
westerlyvariation(W)frommagneticheading.
Formatdescription
1––=talkeridentier
2HDG=telegramidentier
3x.x=magneticsensorheading,degrees
4z.z,a=magneticdeviation,degreeseast/west
5r.r,a=magneticvariation,degreeseast/west
Relatedtopics
•Navigation;Headingtabonpage199
•SelectInputsonpage247
HDMHeading,magnetic
Thistelegramcontainsvesselheadingindegreesmagnetic.Thetelegramisnolonger
recommendedforuseinnewdesigns.
ItisoftenreplacedbytheHDGtelegram.
Format
$--HDM,x.x,M*hh<CR><LF>
Formatdescription
1––=talkeridentier
2HDM=telegramidentier
3x.x=headingindegrees,magnetic
Relatedtopics
•Navigation;Headingtabonpage199
•SelectInputsonpage247
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