0 GPSMAP 400/500 Series Owner’s ManualUsing Chartsfishing—turn the Depth, Water Temperature, and Water Speeddata bar on or off (available when using an “s” series unit witha transducer attached, or a “non-s” series unit with a GarminIntelliducer™ attached).fuel—(available only when your chartplotter is connected to adevice capable of measuring fuel level, fuel flow, or both) turnthe Fuel Rate, Remaining Fuel, Range, and Fuel Economy databar on or off.Sailing— (available only when your chartplotter is connected toa wind sensor) turn the Water Speed, Wind Speed, Wind Angle,and Wind Velocity Made Good (VMG) data bar on or off. Selectwind to toggle between True and Apparent wind speed and windangle.XM audio—displays an XM audio bar at the bottom of thescreen if XM audio is available (page 76).Compass Tape—displayed at the top of the screen to providethe current heading. An indicator that shows the bearing to thedesired course appears while navigating.Understanding How Wind VMG and WaypointVMG Appear in the Data BarsThe chartplotter automatically switches between displaying WindVelocity Made Good (VMG) and Waypoint VMG in the data bars.•••••Waypoint VMG appears under these conditions:The Route Leg data bar displays Waypoint VMG when you arenavigating a route or an Auto Guidance line.The Sailing data bar displays Waypoint VMG when you arenavigating a route or an Auto Guidance line and you turn off theRoute Leg data bar.Wind VMG appears under these conditions:The Sailing data bar displays Wind VMG when you are notnavigating a route or an Auto Guidance line.The Sailing data bar displays Wind VMG when the Route Legdata bar is on.Chart Setup—customize the Navigation chart settings (page 12).Understanding Chart DataCharts for BlueChart g2 and BlueChart g2 Vision use graphicsymbols to denote map features that follow the standards for USAand international charts.Other features common to most charts include depth contourlines (with deep water represented in white), intertidal zones, spotsoundings (as depicted on the original paper chart), navigational aidsand symbols, and obstructions and cable areas.••••