Adjusting sea clutter on the radar screen, Adjusting rain clutter on the radar screen, Reducing cross talk clutter on the radar screen – Garmin GPSMAP 8530 Black Box User Manual
Page 21: Radar display settings, Radar appearance settings, Front-of-boat offset, Measuring the potential front-of-boat offset, Setting the front-of-boat offset, Digital selective calling, Networked chartplotter and vhf radio functionality
