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To get to the Sonar Page: Press the PAGES key, then use → or ← to
select SONAR. (Clear the Pages Menu by pressing EXIT.) The Pages Menu
offers five chart display options under the Sonar Page category. To access
them, press PAGES|← or→ to SONAR|↓ to Option Name|EXIT.
The Sonar Page has its own menu, which is used for advanced functions
and for setting various options. (Sonar Options and other features are
discussed in Sec. 4.) To Access the Sonar Page menu, from the Sonar
Page press MENU.
Sonar Page with full sonar chart (left) and split zoom chart (right).
Split frequency sonar chart (left) with digital data display (right).