Fishfinder 90/140 Owner’s Manual iiiIntroductionIntroductionThis manual covers the features and operation of theFishfinder 90/140.About This ManualTo get the most out of your Fishfinder 90/140, take time toread this manual and learn the operating procedures for yourunit in detail. This manual is organized into the followingsections.The Introduction sections contains the Table of Contents,Product Registration, and Product Support Information.The Getting Started sections contain information aboutsonar and the Fishfinder.The Installing Your Fishfinder section provides instructionon installing the Fishfinder and the Transducer. If youexperience difficulty installing the Fishfinder, contactGarmin Product Support or an installation professional inyour area.The Operating Your Fishfinder section describes thefeatures and operation of the Fishfinder 90/140.The Appendix contains unit specifications ,optionalaccessories, and care information. You can also findwarranty information, the Software License Agreement andEuropean Licensing Requirements in the Appendix.An Index is provided at the end of the manual for reference.Manual ConventionsThis manual uses the term Warning to indicate a potentiallyhazardous situation, which, if not avoided, could result indeath or serious injury.This manual uses the term Caution to indicate a potentiallyhazardous situation, which, if not avoided, may resultin minor injury or property damage. It may also be usedwithout the symbol to alert you to avoid unsafe practices.190-00582-10_0A.indd 3 12/2/2011 3:08:54 PM