26 Fishfinder 160C Owner’s ManualINDEXINDEXAAbout This Manual iAlarms 13Anti-reflective coating 9Auto Gain 11, 15BBackground 16Battery 13, 16Battery Alarm 13Battery Voltage 11Beam 14Beeper 19Bottom Shape and Type 11CCalibrate Speed 17Caring for the Fishfinder 160C 9Change a Setup Menu item 13Cleaning the Case 9Cleaning the Screen 9Contact Garmin 25Contrast 19DDeep Alarm 14Defaults 19Depth 18Distance 11, 16, 18EElectrical system 8ENTER key 10FFish 11Fish Alarm 14Fish ID 14GGain 12Graph 14, 22KKeel Offset 16LLanguage 18Light 19Limited Warranty 24MMENU key 10Mounting the transducer 5Mounting on a trolling motor 6NNarrow Beam 14NMEA 8NMEA Output 19Numbers 16OOperating Instructions 10PPacking List 1Physical Specifications 20Power 20POWER key 10Product Registration 25RRange 12Reset Distance 18SScroll 12Selecting a transom mount location 4Setup Menu 13Shallow Alarm 14Simulator 18Size 16Software License Agreement 25Sonar 20Sonar, Understanding 21, 23Specifications 20Speed 11, 16, 18Storage 9System 18TTemperature 18Testing the installation 7Thermoclines 23Thermocline and Structure 11The Adjustment Bar 12Tool List 2To assemble the transducer 3To change a setting 12To connect to a NMEA device 8To install the wiring harness 8To mount the bracket assembly 2To mount the transducer on a transom 5Transducer 21Transducer Coverage 22Transducer Installation 3Transom mount installation 7Trolling motor installation 6UUnderstanding Sonar 21, 22, 23Understanding the Graph 22Units 18Unit Capabilities 11Unit Installation 2VView 13WWater Depth 11Water Immersion 9Water Temp 16Water Temperature 11, 23Whiteline 15, 23Wide Beam 14Wiring Diagram 8Wiring Harness Installation 8Wiring to a Fuse Block 8ZZoom 13