Eagle Electronics 640c manual Table of Contents

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Table of Contents
Read Me First!	1
Capabilities and Specifications: FishMark® 640c	2
SeaFinder® 640c DF	2
How Sonar Works	4
How to Use this Manual: Typographical Conventions	5
Arrow Keys	5
Keyboard	5
Menu Commands	5
Instructions = Menu Sequences	5
Section 2: Installation & Accessories	7
Preparations	7
Transducer Installation	7
Recommended Tools and Supplies	8
Selecting a Transducer Location	9
How low should you go?	10
Shoot-Thru-Hull vs. Transom Mounting	11
Transom Transducer Assembly and Mounting	12
Trolling Motor Bracket Installation (single-frequency only)	19
Transducer Orientation and Fish Arches	20
Shoot-Thru-Hull Preparation	21
Testing Determines Best Location	22
Shoot-Thru-Hull Installation	24
Speed/Temperature Sensors	26
Optional Speed Sensor Installation	27
Power Connections	29
Mounting the Unit: Bracket, In-Dash or Portable	31
Bracket Installation	32
In-Dash Installation	34
Portable Installation	34
Basic Sonar Operation	37
Keyboard	37
Power/lights on and off	38
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Contents Installation and Operation Instructions Page Table of Contents Basic Sonar Quick Reference To turn off HyperScroll Page How this manual can get you out on the water, fast Read Me FirstGeneral Figuration and installation, bottom composi How Sonar Works How to Use this Manual Typographical Conventions Page Preparations Transducer InstallationSingle-frequency transom installations Pad Deadrise less than Strakes Transom Page Page Dot Transducer bracket RatchetRatchet Ratchets Bolt Transom Bottom Hull Flat-bottom hull Deep-vee hull Internal tooth washer TMB-S bracket Bolt Nut Flat washer Partial fish arches Hulls With Flotation Materials Transducer location High speed Trolling speed True bottom Second bottom Manual range setting Page Epoxy transducer to hull Speed/Temperature Sensors Optional Speed Sensor Installation Good location Power Connections Page Power connections for the sonar unit Front 72.9 173.9 23.4 137.9 157.9 Millimeter 56.9 Inch In-Dash Template Cell battery Page Keyboard Basic Sonar OperationPower/lights on and off Main Menu Pages Pages Menu showing Sonar display options Page Page Depth scale FasTrack, fish arches show as horizontal bars Basic Sonar Quick Reference Sonar Operations Page Page Important Tip Page Page Page ASP Advanced Signal Processing Sonar Options & Other FeaturesAlarms To adjust and turn on the Shallow Alarm Enabledentexit Enabledentexit Backlight and Contrast Level Calibrate Speed Chart Speed ColorLine Thin or no ColorLine Wider ColorLine Depth CursorCursor line Depth box Depth Range AutomaticDepth Range Manual FasTrack Fish I.D. Fish Symbols & DepthsPage FishTrack Frequency Change Transducer Frequency SeaFinder unit only HyperScroll Noise RejectionOverlay Data Data list showing Water Speed selected to display on Sonar Tip Ping Speed & HyperScroll Page Pop-up Help Reset Options Set Keel Offset Reset Water DistancePress MENUMENU↓ to SET Keel Offsetent Sensitivity & Auto Sensitivity Auto Sensitivityent Sonar Chart Mode Set LanguageSoftware Version Information Sonar Page & Sonar Chart Display Options Page Page Customizing the Digital Data/Chart Screen Sonar Simulator Stop Chart Surface Clarity Press ↓ to select Surface ClarityENT TransparencyUnits of Measure Zoom Bar VolumeZoom Pan Page Troubleshooting Page Page Page Supplemental Material FCC Compliance Page Eagle Electronics How to Obtain Service… Accessory Ordering Information for all countries Visit our web site

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