IntroductIonThank you for choosing the Garmin® GPSMAP ® 376C, which usesthe proven performance of Garmin GPS and full-featured mappingto create an unsurpassed portable marine navigation chartplotterand automobile navigation device. Take a moment to comparethe contents of this package with the packing list on the outsideof the box; if any pieces are missing, contact your Garmin dealerimmediately.About This ManualTo get the most out of your new navigation system, read this manualand learn the operating procedures for your unit. This manual isorganized into the following sections:The Introduction contains the Table of Contents, Care Information,and Warnings.The Getting Started section provides an overview of the unit, howto turn the unit on, and how to simulate navigation.The Marine Mode section provides you with information aboutnavigating with the GPSMAP 376C in Marine Mode.The Marine Mode Pages section reviews the main pages in MarineMode.The Automotive Mode section provides you with information aboutnavigating with the GPSMAP 376C.The Automotive Mode Pages section reviews the main pages inAutomotive Mode.The Main Menu section describes features found on the MainMenu, and information on how to change settings.The Using XM WX Weather section describes how to use XM WXSatellite Weather features on your GPSMAP 376C.The Setting Up and Using Sonar section provides instructionson using a Garmin GSD 20 or GSD 21 Sounder Module with yourGPSMAP 376C.The Appendix contains specifications, optional accessories,maintenance information, and other product information.An Index is provided at the end of the manual for reference.GPSMAP 376C Owner’s Manual IntroductIon > About thIs MAnuAl