xi190-01102-02 Rev. B Garmin G500 Pilot’s GuideForewardSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8Glossary Appendix AAppendix BIndex4.7.13 SIGMETs and AIRMETs ........................................................ 4-494.7.14 METARs .............................................................................. 4-514.7.15 Surface Analysis and City Forecast........................................ 4-534.7.16 Freezing Level...................................................................... 4-564.7.17 Winds Aloft ......................................................................... 4-584.7.18 County Warnings ................................................................. 4-614.8 GWX Weather Radar (Optional) ........................................................... 4-634.8.1 Garmin GWX 68 Radar Description ...................................... 4-634.8.1.1 Principles of Pulsed Airborne Weather Radar ........................ 4-634.8.1.2 Antenna Beam Illumination ................................................. 4-644.8.1.3 Radar Signal Attenuation ..................................................... 4-654.8.2 Radar Signal Reflectivity ...................................................... 4-664.8.2.1 Precipitation ........................................................................ 4-664.8.2.2 Ground Returns ................................................................... 4-674.8.2.3 Angle of Incidence ............................................................... 4-674.8.3 Operating Distance .............................................................. 4-684.8.4 Basic Antenna Tilt Setup ...................................................... 4-694.8.5 Weather Mapping and Interpretation ................................... 4-704.8.5.1 Weather display Interpretation ............................................. 4-704.8.5.2 Thunderstorms .................................................................... 4-714.8.5.3 Tornadoes ........................................................................... 4-734.8.5.4 Hail ..................................................................................... 4-734.8.6 Radar Operation in Weather Mode ....................................... 4-744.8.6.1 Displaying Weather on the Weather Radar Page ................... 4-754.8.6.2 Vertically Scanning a Storm Cell ........................................... 4-764.8.6.3 Adjusting the Antenna Tilt Angle .......................................... 4-774.8.6.4 Adjusting Gain .................................................................... 4-784.8.6.5 Sector Scan ......................................................................... 4-804.8.6.6 Antenna Stabilization .......................................................... 4-814.8.6.7 Weather Attenuated Color Highlight (WATCH™) ................. 4-814.8.6.8 Weather Alert ...................................................................... 4-824.8.7 Ground Mapping and Interpretation .................................... 4-835 Additional Features (Optional) ............................................................5-15.1 Viewing Charts ..................................................................................... 5-25.1.1 Chart Panning ....................................................................... 5-35.1.2 Choosing a Chart for the Current Airport................................ 5-45.1.3 Selecting a Chart by Identifier ................................................ 5-5
