xi190-01102-02 Rev. E Garmin G500 Pilot’s GuideForewardSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8Glossary Appendix AAppendix BIndex4.7 TIS Traffic (Optional) ............................................................................ 4-224.7.1 Traffic Map Page.................................................................. 4-224.7.2 TIS Symbology ..................................................................... 4-244.7.3 TIS Limitations ..................................................................... 4-254.7.4 TIS Alerts ............................................................................. 4-274.7.5 Traffic Pop-Up...................................................................... 4-284.7.6 TIS System Status ................................................................ 4-284.8 XM WX Satellite Weather (Optional) .................................................... 4-314.8.1 Using XM Satellite Weather Products ................................... 4-314.8.2 Customizing the XM WX Satellite Weather Map ......................4-314.8.3 XM WX Weather Symbols and Product Age .......................... 4-334.8.4 Weather Legends ................................................................ 4-364.8.5 NEXRAD ............................................................................. 4-374.8.5.1 Reflectivity .......................................................................... 4-384.8.5.2 NEXRAD Limitations ............................................................ 4-394.8.6 Weather Page Map Orientation............................................ 4-404.8.7 NEXRAD Data Viewing Range .............................................. 4-404.8.8 NEXRAD Legend.................................................................. 4-414.8.9 Echo Tops ............................................................................ 4-424.8.10 Cloud Tops .......................................................................... 4-444.8.11 XM WX Satellite Lightning ................................................... 4-464.8.12 Cell Movement .................................................................... 4-474.8.13 SIGMETs and AIRMETs ........................................................ 4-494.8.14 METARs .............................................................................. 4-514.8.15 Surface Analysis and City Forecast........................................ 4-534.8.16 Freezing Level...................................................................... 4-564.8.17 Winds Aloft ......................................................................... 4-584.8.18 County Warnings ................................................................. 4-614.9 Weather Radar (Optional) ................................................................... 4-634.9.1 Garmin GWX 68 Radar Description ...................................... 4-634.9.1.1 Principles of Pulsed Airborne Weather Radar ........................ 4-634.9.1.2 Antenna Beam Illumination ................................................. 4-644.9.1.3 Radar Signal Attenuation ..................................................... 4-654.9.2 Radar Signal Reflectivity ...................................................... 4-664.9.2.1 Precipitation ........................................................................ 4-664.9.2.2 Ground Returns ................................................................... 4-674.9.2.3 Angle of Incidence............................................................... 4-674.9.3 Operating Distance .............................................................. 4-68