This clear and concise guide teaches buyers how to choose the right equipment for their boats and make the maximum use of available facilities. Avis covers the basics: how radar works, installation and functions, screen orientation, and eliminating interference. Advanced topics are addressed as well, including capabilities and inaccuracies of radar and using radar for collision avoidance, as a navigation aid, or even for blind pilotage. This is an indispensable guide for every navigator and boats of all types and sizes.