Garmin G500 Pilots Guide - Page 256

Foreword System Sec 1 PFD Sec 2 MFD Sec 3 Features Avoidance Hazard Sec 4 Additional Sec 5 Alert Message AHRS1/2 GPS AHRS1/2 SRVC AHRS1/2 TAS CAL LOST CNFG MISMATCH Description Action • AHRS1 using backup GPS. • If the system has dual GPS navigators, the primary GPS navigation information is not being forwarded to the AHRS. The AHRS is using GPS position information from the secondary navigator. • Contact your Garmin dealer for service. • AHRS1 magneticfield model needs update. • G500 requires service to update the magnetic field model. • Contact your Garmin dealer for service. • AHRS1 not receiving • Check ADC cable. true airspeed. • Contact your Garmin dealer for • Displayed heading service. and attitude data is still valid. • Additional loss of GPS data will cause loss of heading and attitude data. • Calibration Data • Contact your Garmin dealer for Lost. service. • Navigation, Autopilot, and Flight Director functionality is unreliable. • PFD/MFD coloration may be incorrect. • GDU 1-2 airframe configuration settings disagree. • Contact your Garmin dealer for service. & Alerts Annun. Sec 6 Symbols Sec 7 Appendix A Glossary Sec 8 Index Appendix B 6-2 Garmin G500 Pilot's Guide 190-01102-02 Rev. B