50Main Pages‘Marine’ tabServices/Facilities, Spot Soundings, Tide Stations, Night Colors – controls the text size and zoomscale for marine map items.Text – Off, Small, Medium, and Large: controls the screen size of the name.Zoom – Auto, Off, 20 ft. to 800 nm/mi: sets the maximum scale at which the feature appears on thescreen. Some types of data are only displayed to certain zoom scales.‘Mrn Nav’ (Marine Navaids) tabSymbol Set – controls which symbol set to use:• Auto: BlueChart maps are drawn using symbols similar to the NOAA/NIMA standard. Non-BlueChart maps are drawn using traditional Garmin symbols.• Garmin: All maps are drawn using traditional Garmin symbols.• NOAA: All maps are drawn using a symbol set similar to NOAA/NIMA.• International: All maps are drawn using a symbol set similar to the IALA symbol set.Symbol Size – Small, Medium, and Large: controls the size of the symbols.Light Sectors – Off, Auto, On:‘City’ tabLarge City, Medium City, Small City, Small Town – controls the text size and zoom scale for cities.Text – Off, Small, Medium, and Large: controls the screen size of the name.Zoom – Auto, Off, 20 ft. to 800 nm/mi: sets the maximum scale at which the cities appear on thescreen. Some types of data are only displayed to certain zoom scales.Map PageMarine Tab of Map Page Setup MenuMrn Nav Tab of Map Page Setup Menu