Garmin 140, 90 31

Index

R range 15

scroll 16

selecting a transom mount location 7

setting, changing a 14 setup menu 16 setup menu option 14 shallow alarm 16 simulator mode 4 simulator setting 18 size, number 18

software license agreement 21 Sonar 1

sound waves 1 specifications 19 storage 20

strongest sonar returns 3 surface clutter 4 swivel mount bracket 11

temperature number 18 temperature units 18 testing the transom mount

installation 13 transducer 1

assembling 6 installing 6 mounting on a transom 7 mounting on a trolling

motor 6

transom mount installation 13

units 18 depth 18 temperature 18

warning statement vi warranty, limited 21 water immersion 20

water temperature number 18 weakest sonar returns 3 whiteline 17

wide beam 2 wiring harness 12

zoom 16

Fishfinder 90/140 Owner’s Manual

Contents

Page Page Introduction About This Manual Manual Conventions Table of Contents Product Registration Contact Garmin Warning Getting Started Understanding the Fishfinder Understanding Sonar Understanding Dual Beam Transducer Coverage Understanding the Fishfinder Screen Using Simulator Mode Installing Your Fishfinder Installing the Transducer Mounting the Transducer on a Transom Tool List Page To mount the transducer on a transom: Installing the Fishfinder Unit Selecting a Fishfinder installation Location Mounting the Bracket Assembly To mount the bracket assembly: To install the Fishfinder on the mount bracket: Installing the Wiring Harness Testing the Transom Mount Installation Operating Your Fishfinder Understanding Basic Functions Using the Main Menu Arrow Options and Settings Zoom— Using the Setup Menu Alarms Shallow— feet Graphs Narrow Whiteline— Auto Gain Numbers Units Depth— Feet Meters Appendix Specifications Fishfinder Fishfinder 90 and Fishfinder Optional Accessories Cleaning the Case Cleaning the Screen Storage Water Immersion Software License Agreement Limited Warranty Page Declaration of Conformity (DoC) Index Page the Garmin Web site at www.garmin.com