User ManualTable of ContentsTable of Contents3Introduction5Registering Your Device5Contacting Garmin Product Support5Manual Conventions5Getting Started5Keys5Turning on the Device Automatically5Selecting the Transducer Type5Adjusting the Contrast5Setting the Beeper5Menu Timeout5Using Quick Adjust5Sonar Display5Sonar5DownVü Sonar View5Sonar Frequencies6Selecting a Frequency6Adjusting the Range of the Depth Scale6Adjusting the Zoom6Pausing the Sonar Screen6Setting the Sonar Scroll Speed6Configuring the Appearance of Suspended Targets6Sonar Gain and Noise Settings6Setting the Gain Manually6Setting the Gain Automatically6Alarms6System Settings7System Unit Settings7Appendix7Specifications7Cleaning the Outer Casing7Cleaning the Screen7Software License Agreement7Index8Size: 2.17 MBPages: 10Language: EnglishOpen manual