Fishfinder 340C Owner’s Manual 23U SING THE FISHFINDER 340C > U NDERSTANDING THE MAIN PAGESUnderstanding the Main PagesThe Fishfinder 340C typically offers several main pages for you touse, including the Sonar Page, Flasher Page, and Numbers Page.If you are using a dual frequency transducer, and you have theFrequency set to Dual, the following pages are available instead:Split Sonar (200 kHz and 50 kHz), Sonar (200 kHz), Sonar (50kHz), and Numbers.To change the page:1. Press PAGE. The Pages Menu appears.2. Press PAGE or the ROCKER to select the page to whichyou want to go. The Pages Menu disappears after a fewseconds.Depending on the current page, you can access page-specificinformation, including one or more of the following:• Access the Main Menu by pressing and holding theADJ/MENU key (see page 26).• Access the Adjustment Menu by pressing and releasing theADJ/MENU key (see page 35).• Access the advanced data configuration options by pressingand holding the DATA/CNFG key (see page 37).Using the Sonar PagesThe Sonar Page that you see and the options that appear in itsAdjustment Menu depend on the transducer and settings that youare using.If you are using a dual beam transducer, you can access the basicSonar Page and its related Adjustment Menu.Waterdepth at thetransducerDepthscaleCurrentadjustmentoptionSuspendedtargetsBottomMode