Humminbird 561 Fish Finder User Manual


 
Table of Contents
Speed Calibration (Advanced, withTemp/Speedonly) .............................................. 64
Digits Format
(Advanced) ........................................................................................ 64
Demonstration........................................................................................................ 64
Sound Control........................................................................................................ 64
Troubleshooting 65
Fishfinder Doesn’t Power Up ................................................................................ 65
Fishfinder System Defaults to Simulator with a Transducer Attached .............. 65
Display Problems .................................................................................................. 66
Finding the Cause of Noise .................................................................................. 67
500 Series™ Fishfinder Accessories 68
Specifications 69
Glossary 73
Contact Humminbird® 77
NOTE: Entries in this Table of Contents which list (International models only) are
only available on products sold outside of the U.S. by our authorized international
distributors. To obtain a list of authorized international distributors, please visit
our Web site at humminbird.com or contact our Customer Resource Center at
(334) 687-6613.
NOTE: Entries in this Table of Contents which list (with Temp/Speed only) require
the purchase of separate accessories. You can visit our Web site at
humminbird.com to order these accessories online or contact our Customer
Resource Center at 1-800-633-1468.
NOTE: Some features discussed in this manual require a separate purchase, and
some features are only available on international models. Every effort has been
made to clearly identify those features. Please read the manual carefully in order
to understand thefull capabilitiesof your model.
iv