Index

A A-scope 26 accessories 27 advanced settings 25 alarms 21, 28

battery 21 deep water 21 drift 21

fish 21

shallow water 21 water temp 21

arches 22

B

backlight adjusting 15

basic operation 15 beam 25 bottom lock 25 bracket assembly 2

C

calibrate the speed sensor 24 CANet 12, 27

caring for the fishfinder iii

cleaning

the case iii the screen iii

clutter. See surface noise configure screen 20 contact garmin iii customizing

sonar settings 22 system settings 23 transducer settings 23 units of measure 24

D

Declaration of Conformity 30 depth 24

line 26 range 25 span 26 zoom 26 display settings

changing 21 distance 24 duration 26

F

factory settings restoring 23 fish symbols 22

flasher 18, 26 flush mount 2, 27

frequency 25 full screen 17 fuse 10, 27

G gain 25

GPS, wiring to a 12

H

HOME key 15

Home screen 16

I

important information iv input voltage 10 installing 1

selecting a location 1 testing 13

the fishfinder on the mounting bracket 3

the mount 2 the transducer 4

on a transom 6

on a trolling motor 5 shoot-thru-hull 8

the wiring harness 10 to a Garmin CANet 12 interfacing with NMEA 12

Index

K

keel offset 23 adjusting 24

keypad using 15

L language

changing 23 LCD screen 1 limited warranty 29

location for shoot-thru-hull installation 9

location for the fishfinder 1

M

MENU key 15 messages 28 mounting

bracket 3

bracket assembly 2 transducer on a transom 7 transducer on a trolling motor 5

N

NMEA 12 NMEA device

connecting to 12 noise. See surface noise

Fishfinder 400C Owner’s Manual