Eagle Electronics 640C, 640cDF manual Table of Contents

Models: 640c 640C, 640cDF

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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?

15

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

Antenna/Receiver Module Installation

32

NMEA Cable Connections

33

NMEA Wiring

33

Mounting the Unit: Bracket, In-Dash or Portable

33

MMC or SD Card Memory Card Installation

37

Other Accessories

38

Section 3: Basic Sonar Operation

41

Keyboard

41

Power/lights on and off

42

Main Menu

42

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Eagle Electronics 640C, 640cDF manual Table of Contents