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Marine GPS is quite a necessity when you are on water as there are no signals, no roads or light during night time for proper guidance for the boat. Without the GPS navigation, it will be tough to reach point B from point A without facing any issues.

Carefully read the manual- The first thing you need to do is to read the manual which you get along with the GPS device. You will be able to get the basic idea about terminologies and idea by just reading the manual.

Properly install the GPS unit on the boat- There are usually two kinds of GPS units, the ones with external antennas and the other ones with internal antennas. The internal ones are used for small boats whereas the external ones are used for bigger boats which need to be installed on top of the vessel and have direct connect to satellites.

Make sure that the appropriate map is installed- You cannot use the GPS directly without installing the map. You need to choose the map of your area and install it.  The marine GPS has a screen which shows the position of your boat.

Select the destination- You need to choose the destination you wish to go by tapping on the destination. You can zoom in or out to get more specific details about the location.

Know about the basic function of GPS- You need to get adjusted with all the functions of GPS other than just picking the destination. The latest GPS device gives more information about the region you plan to travel.