Garmin Colorado 400c Quick Reference Manual

Fishfinder 400C

quick reference guide

SELECT

MENU

HOME

POWER/BACKLIGHT

—press 

and hold to turn the unit on or 

off. Press and release to adjust the 

backlight and day/night modes.

RANGE(+/-) 

—press to adjust 

the range of the sonar.

ROCKER

—press up, down, left, 

or right to move through menus, 

highlight fields, and enter data.

SELECT

—press to select 

highlighted items and confirm 

on-screen messages.

MENU

—press to view additional 

settings and configuration 

options; press to return to the 

previous screen when indicated.

HOME

—press to 

return to the Home 

screen.

Using the Fishfinder 400C Keypad

May 2007 

Part Number 190-00757-01 Rev. A 

Printed in Taiwan

The Full Screen is the main screen for both dual beam 

and dual frequency transducers. 

On the Home screen, highlight 

Full Screen

, and press 

SELECT

.

Depth

Temp

Speed

Range

Bottom

Suspended 

targets

Transducer 

mode

You can switch between Day and Night modes and 

brighten or darken the backlight.

To change the display settings, on the Configure screen, 

highlight 

Display

, and press 

SELECT

.

OR

Press and release the   

POWER

 key.

Press left or 

right on the 

ROCKER

to 

adjust the 

backlight

Press left or 

right on the 

ROCKER

to switch 

between Day 

and Night 

mode.

Changing the Display Settings

Understanding the Full Screen