Installation and Operation Instructions Fish-finding Sonars & Mapping GPS FishElite 320, SeaCharter 320DF

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At left, Pages Menu, showing sonar chart display option commands.
At right, Sonar Page in full sonar chart display mode.
Sonar chart display options (from left) split zoom and split frequency.
At left, digital data sonar chart display options. At right, Sonar Page
Menu. Most of these functions are discussed in Sec. 4.