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Table of Contents
Introduction .................................................................................. 1
Capabilities and Specifications .................................................... 1
Installation.................................................................................. 3
Transducer Installation ............................................................... 3
selecting a transducer location.................................................. 4
shoot-thru-hull vs. transom mounting...................................... 6
transom transducer assembly and mounting........................... 6
trolling motor bracket installation...........................................12
transducer orientation and fish arches ....................................13
shoot-thru-hull preparation and installation ..........................13
Speed and temperature sensors ..................................................16
Optional speed sensor installation ..............................................19
Power connections ........................................................................20
Mounting sonar unit: in-dash, bracket or portable ....................21
In-Dash installation ..................................................................21
Bracket installation...................................................................22
Portable installation..................................................................23
Operation and features ...........................................................27
Keyboard basics............................................................................27
Turn on and off..........................................................................27
Menus ...........................................................................................27
Display opening screen ................................................................28
Chart scroll (stop or start scroll) .................................................29
Screen Display Modes (Page Menu) ............................................30
Full Chart ..................................................................................30
Split Chart .................................................................................31
Dual Frequency (Dual Freq — SeaFinder 240DF only).......31
Large Digital (Lrg Digital)........................................................32
Range - automatic and manual ...................................................33
Zoom..............................................................................................33
Sensitivity.....................................................................................35
Grayline
®
......................................................................................37
Fish I.D......................................................................................38
FishTrack ..................................................................................39
FishReveal chart mode .............................................................40
Chart scroll speed and HyperScroll .........................................41
Noise reject and ASP (Advanced Signal Processing)...............42
Alarms...........................................................................................43
Fish alarm .................................................................................43
Shallow alarm............................................................................44
Deep alarm ................................................................................45