Garmin 188c User Manual

I

NTRODUCTION

 > 

A

BOUT

 T

HIS

 M

ANUAL

Thank you for choosing the Garmin

®

 GPSMAP

®

 188/188C 

Sounder. Take a moment now to compare the contents of this 

package with the packing list on the outside of the box. If any 

pieces are missing, contact your Garmin dealer immediately.
Before you begin working with the GPSMAP 188/188C Sounder, 

review the installation instructions listed in the Appendix. If 

you have any question about installing your chartplotter, contact 

Garmin Product Support or a professional installer.
The GPSMAP 188/188C Sounder Quick Reference Guide contains 

helpful tips on using the unit and performing various navigation 

tasks. It is a good idea to keep the Quick Reference Guide nearby 

whenever you are operating your new GPSMAP 188/188C 

Sounder.

To get the most out of your new navigation system, take time to 

read this manual and learn the operating procedures for your unit in 

detail. This manual is organized into the following sections. 
The Introduction section contains the Table of Contents and 

GPSMAP 188/188C Sounder care information. 

The Basic Operation section provides you with detailed 

information and step-by-step directions for features such as using 

the Find Menu, navigating a route, and using waypoints.  
The Main Pages section provides detailed explanations about 

each page in the GPSMAP 188/188C Sounder and step-by-step 

directions on using the pages. 
The Main Menu section provides detailed explanations about the 

Main Menu and how to use it to configure your unit. 
The Using Sonar section contains information on the sonar 

capablities.
The Appendix contains installation instructions, specifications, 

optional accessories, and maintenance information. You can also 

find warranty and FCC information in the Appendix. Read the 

GPSMAP 188/188C Sounder safely and responsibly. 
An Index is provided at the end of the manual for reference.