Garmin Fishfinder 240 Owner's Manual
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Garmin Fishfinder 240 Owner's Manual

Garmin fish finder user manual
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Fishfi nder 240
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Summary of Contents for Garmin Fishfinder 240

  • Page 1 Fishfi nder 240 owner’s manual...
  • Page 3 Introduction...
  • Page 4 Introduction...
  • Page 5 Introduction * Optional...
  • Page 6 Introduction Chart Tools Numbers...
  • Page 7 Alarms Introduction System Calibration Units Memory...
  • Page 8 Introduction Water Depth Battery Voltage Water Temperature* Speed Over Water* Fish Thermocline and Structure Bottom Shape and Type...
  • Page 9 Installation Wide cone angle Narrow cone angle Optional Package dead zone fish not seen...
  • Page 10 Installation DO NOT Mount the transducer parallel with the bottom. Apply marine sealant to all screw threads to prevent water from seeping into the transom. DO NOT Mount the transducer cable cover well above the waterline. Transducer should extend 1/8" below fiberglass hull or 3/8"...
  • Page 11 Installation Testing the Location Installing the Transducer...
  • Page 12 Installation...
  • Page 13 Installation Fishfi nder 240...
  • Page 14 Installation Power/Data Connection Speed Temp Transducer...
  • Page 15 Installation...
  • Page 16 Installation...
  • Page 17 Installation Power...

  • Page 18: Unit Operation

    Unit Operation Arrow Keys Enter Key Setup Key Power Key...
  • Page 19 Unit Operation Power Power...
  • Page 20 Using the Adjustment Bar Unit Operation RIGHT LEFT DOWN ENTER...
  • Page 21 Unit Operation...
  • Page 22 Unit Operation...
  • Page 23 Setup Menu Unit Operation SETUP SETUP DOWN RIGHT LEFT Fish Symbols...
  • Page 24 Unit Operation...
  • Page 25 Unit Operation...
  • Page 26 Tools Unit Operation...
  • Page 27 Unit Operation...
  • Page 28 Numbers Unit Operation...
  • Page 29 Unit Operation...
  • Page 30 Alarms Unit Operation...
  • Page 31 Unit Operation...
  • Page 32 System Unit Operation...
  • Page 33 Calibration Unit Operation Transducer at Surface Transducer at Bottom of Keel...
  • Page 34 Units Unit Operation...
  • Page 35 Memory Unit Operation...

  • Page 36: Understanding Sonar

    On the Water On the Water This fi sh is currently in a Dead Zone and is not detected by the sonar. The fi sh is in the coverage area of the transducer, but remember the fi rst strong return sets the bottom level.
  • Page 37 On the Water On the Water 4" 10" 15" 20" 25" 30" 35" 40" 45" 45"...
  • Page 38 On the Water On the Water...
  • Page 39 On the Water On the Water...
  • Page 40 On the Water On the Water...
  • Page 41 On the Water On the Water...
  • Page 42 On the Water Appendix A...
  • Page 43 On the Water Appendix B ENTER ENTER...
  • Page 44 Fishfinder 240 Portable On the Water Appendix C...
  • Page 45 On the Water Appendix C...
  • Page 46 On the Water Appendix D...
  • Page 47 On the Water Appendix D...
  • Page 48 On the Water Appendix D...

Table of Contents