GNC 420(A) Pilot’s Guide and Reference 1-1SECTION 1INTRODUCTION190-00140-20 Rev. KSECTION 1: INTRODUCTION1.1 ACCESSORIES AND PACKING LISTCongratulations on choosing the finest, most advancedpanel mount IFR navigation/communication systemavailable. The GNC 420 represents Garmin’s commitmentto provide accurate, easy-to-use avionics.Before installing and getting started with the GNC 420,please check to see that the package includes the followingitems. If any parts are missing or damaged, please contacta Garmin dealer immediately.Standard Package:• GNC 420 Unit• NavData® Card• Terrain Data Card• Installation Rack• Connectors• GPS Antenna• Pilot’s Guide• Quick Reference Guide• 400/500-series Display Interface Pilot’s GuideAddendum• Database Subscription Packet• Warranty Registration Card• GNC 420 Simulator CD-ROMThe Garmin dealer installs and configures the GNC 420.The GNC 420 is secured in the installation rack with theproper wiring connections. A Garmin dealer can answerany questions about the installation, such as locationof antennas or any connections to other equipment inthe panel. After installation, the NavData Card and theTERRAIN Data Card (if applicable) are inserted into theircorrect slots on the front of the unit (Appendix A).NOTe: Help Garmin provide better support bycompleting on-line registration. registrationensures notification of product updates, newproducts, and provides for lost or stolen unittracking. Have the serial number of the GNC420 available and connect to the website (www.garmin.com). Look for the product registrationlink on the home page.