Eagle Electronics SeaFinder 250 DF - Manual (Page 3)

i
Table of Contents
Section 1: Introduction....................................................................1
Specifications: FishEasy
 250 DS & SeaFinder 250 DF ...............1
How Sonar Works.................................................................................3
Preparations .........................................................................................4
Section 2: Installation & Accessories..........................................7
Recommended Tools and Supplies ..................................................7
Selecting a Transducer Location.....................................................8
How low should you go? ...................................................................9
Shoot-thru-hull vs. Transom Mounting........................................10
Transom Transducer Assembly and Mounting ............................11
Trolling Motor Bracket Installation..............................................15
Transducer Orientation and Fish Arches.....................................16
Shoot-Thru-Hull Preparation ........................................................18
Shoot-thru-hull Installation ..........................................................21
Power and Cable Connections .......................................................22
Mounting The Sonar Unit: In-Dash or Bracket ...........................24
Portable Installation ......................................................................27
Portable Transducer Assembly .....................................................28
Section 2: Operation.......................................................................31
Keyboard Basics .................................................................................31
Memory ...............................................................................................32
Menus..................................................................................................32
Display ................................................................................................33
Full Chart ...........................................................................................34
FasTrack
..........................................................................................35
Depth Range .......................................................................................36
Zoom ....................................................................................................37
Sensitivity...........................................................................................38
Grayline ..............................................................................................40
Chart Speed ........................................................................................42
Frequency ...........................................................................................43
Fish I.D.
 ...........................................................................................44