Humminbird NMEA 2000 handleiding
Handleiding
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8
Overview
How the Heading Sensor Works
The magnetic compass is one of the first known instruments for navigation. It
relies on the earth’s magnetic field to align a magnetic pointer towards North,
also known as Magnetic North.
The fish finder will display the heading from the internal compass in digital
format. The Heading is the direction the boat is pointing, where 000° is North,
090° is East, 180° is South, and 270° is West.
Due to wind and waves, the boat is often traveling in a slightly dierent
direction than its heading. The direction of travel, or Course Over Ground, is
provided by the GPS receiver. You can use the compass Heading with the GPS
Course Over Ground and Bearing to navigate a route.
A compass’ Magnetic North is aected by the local variations in the earth’s
magnetic field around the globe. Nautical charts will often provide the magnetic
declination, or magnetic variation, for a local area so that you can confirm that
Magnetic North matches True North. If you have trailered the boat to a new
location, the compass’ operation may also be aected by a dierent magnetic
zone. The Humminbird fish finder compensates for magnetic declination and
also allows you to make additional adjustments from the menu system.
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Productinformatie
Merk | Humminbird |
Model | NMEA 2000 |
Categorie | Niet gecategoriseerd |
Taal | Nederlands |
Grootte | 3843 MB |