Garmin Fishfinder 240 Owner's Manual page 7

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Alarms
Fish Alarm ..................................................................................................... 22
Shallow Water ................................................................................................. 22
Introduction
Deep Water ..................................................................................................... 23
Battery Voltage ................................................................................................ 23
System
Table of Contents
Contrast .......................................................................................................... 24
Beeper ............................................................................................................. 24
NMEA Output................................................................................................. 24
Calibration
Keel Offset....................................................................................................... 25
Water Type ...................................................................................................... 25
Units
Depth ............................................................................................................ 26
Temperature .................................................................................................... 26
Speed .............................................................................................................. 26
Memory
Remember....................................................................................................... 27
Factory Setup .................................................................................................. 27
Software Version.............................................................................................. 27
On the Water ....................................................................28-33
Understanding Sonar....................................................................................... 28
Transducer Coverage ....................................................................................... 29
Understanding the Chart ................................................................................. 30
Whiteline ........................................................................................................ 31
Thermoclines .................................................................................................. 32
Simulator Mode............................................................................................... 33
Appendix ..........................................................................34-40
Appendix A-Specifi cations ............................................................................ 34
Appendix B-Alarm Messages and Icons......................................................... 35
Appendix C-Fishfi nder 240 Portable ....................................................... 36-37
Appendix D-Index ................................................................................... 38-40
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