Garmin G500 Pilot's Manual page 13

4.7.13 SIGMETs and AIRMETs ........................................................ 4-49
4.7.14 METARs .............................................................................. 4-51
4.7.15 Surface Analysis and City Forecast ........................................ 4-53
4.7.16 Freezing Level...................................................................... 4-56
4.7.17 Winds Aloft ......................................................................... 4-58
4.7.18 County Warnings ................................................................. 4-61
4.8 GWX Weather Radar (Optional) ........................................................... 4-63
4.8.1 Garmin GWX 68 Radar Description ...................................... 4-63
4.8.1.1 Principles of Pulsed Airborne Weather Radar ........................ 4-63
4.8.1.2 Antenna Beam Illumination ................................................. 4-64
4.8.1.3 Radar Signal Attenuation ..................................................... 4-65
4.8.2 Radar Signal Reflectivity ...................................................... 4-66
4.8.2.1 Precipitation ........................................................................ 4-66
4.8.2.2 Ground Returns ................................................................... 4-67
4.8.2.3 Angle of Incidence ............................................................... 4-67
4.8.3 Operating Distance .............................................................. 4-68
4.8.4 Basic Antenna Tilt Setup ...................................................... 4-69
4.8.5 Weather Mapping and Interpretation ................................... 4-70
4.8.5.1 Weather display Interpretation ............................................. 4-70
4.8.5.2 Thunderstorms .................................................................... 4-71
4.8.5.3 Tornadoes ........................................................................... 4-73
4.8.5.4 Hail ..................................................................................... 4-73
4.8.6 Radar Operation in Weather Mode ....................................... 4-74
4.8.6.1 Displaying Weather on the Weather Radar Page ................... 4-75
4.8.6.2 Vertically Scanning a Storm Cell ........................................... 4-76
4.8.6.3 Adjusting the Antenna Tilt Angle .......................................... 4-77
4.8.6.4 Adjusting Gain .................................................................... 4-78
4.8.6.5 Sector Scan ......................................................................... 4-80
4.8.6.6 Antenna Stabilization .......................................................... 4-81
4.8.6.7 Weather Attenuated Color Highlight (WATCH™) ................. 4-81
4.8.6.8 Weather Alert ...................................................................... 4-82
4.8.7 Ground Mapping and Interpretation .................................... 4-83
5 Additional Features (Optional) ............................................................5-1
5.1 Viewing Charts ..................................................................................... 5-2
5.1.1 Chart Panning ....................................................................... 5-3
5.1.2 Choosing a Chart for the Current Airport ................................ 5-4
5.1.3 Selecting a Chart by Identifier ................................................ 5-5
190-01102-02 Rev. B Garmin G500 Pilot's Guide
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