Eagle Electronics 642c Fish Finder User Manual


 
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Table of Contents
Section 1: Read Me First!.........................................................1
Capabilities and Specifications: ....................................................3
How Eagle Sonar Works...............................................................5
How GPS Works............................................................................ 6
Introduction to GPS and WAAS...................................................7
Free Training Aids Available..................................................... 10
How to use this manual: typographical conventions ................11
Arrow Keys..............................................................................11
Keyboard .................................................................................11
Menu Commands ....................................................................11
Instructions = Menu Sequences .............................................11
Section 2: Installation & Accessories..................................13
Preparations................................................................................13
Transducer Installation.............................................................. 13
Recommended Tools and Supplies......................................... 14
Single-frequency transom installations............................. 14
Dual-frequency transom installations ...............................14
Single-frequency trolling motor installations....................14
Shoot-through hull installations ........................................ 14
Selecting a Transducer Location............................................14
How low should you go?..........................................................16
Shoot-Thru-Hull vs. Transom Mounting ............................... 16
Transom Transducer Assembly and Mounting ..................... 17
Trolling Motor Bracket Installation (single-frequency only) 22
Transducer Orientation and Fish Arches..............................23
Shoot-Thru-Hull Preparation.................................................24
Hulls With Flotation Materials.......................................... 24
Testing Determines Best Location.........................................24
Shoot-Thru-Hull Installation .................................................26
Speed/Temperature Sensors....................................................... 28
Optional Speed Sensor Installation........................................... 29
Power Connections......................................................................31
GPS Internal Antenna................................................................ 32
NMEA Cable Connections..........................................................32
NMEA Wiring .........................................................................32
Mounting the Unit: Bracket or Portable.................................... 33
MMC or SD Card Memory Card Installation............................ 36
Other Accessories........................................................................37
Section 3: Basic Sonar Operation........................................39
Keyboard .....................................................................................39
Power/lights on and off............................................................... 40
Main Menu..................................................................................40