Garmin echo 300c Owner's Manual - Page 4

Introduction Table of Contents Introduction i Registering Your Device i Contacting Garmin Product Support i Manual Conventions i Entering Numerical Values i Getting Started 1 Keys...1 Turning On and Turning Off the Device 1 Color or Grayscale Display 1 Configuring the Initial Device Settings 1 Turning On the Device Automatically 1 Adjusting the Backlight 1 Adjusting the Color Scheme 2 Setting the Color Mode 2 Adjusting the Contrast of the echo 200 2 Setting the Beeper 2 Menu Timeout 3 Using Quick Adjust 3 Viewing Pages 4 Selecting a Page 4 Full Screen Page 4 Split Zoom Page 5 Split Frequency Page 5 Log Pages 6 ii Flasher Page 8 Opening the Numbers Page 8 Using the echo 9 Sonar Screen Settings 9 Alarms 13 Sonar Numbers 15 Calibration 16 Appendix 18 Specifications 18 Cleaning the Outer Casing 18 Cleaning the Screen 18 System Settings 18 Software License Agreement 19 Index 20 echo 200, echo 300c, echo 500c, and echo 550c Owner's Manual