Garmin GPSMAP 276C Owner's Manual - Page 99
Adjusting the Sonar ROCKER, ENTER, Scroll, Range, No Zoom, 2X Split
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Adjusting the Sonar Page Use the Adjustment Menu to access the settings and features most commonly used on the Sonar Page. Ten main adjustment options are available: Range, Zoom, View, Gain, Target Level, Whiteline, Frequency, Depth Line, Noise Reject, and Scroll. The currently selected option appears in the upper-left corner. Setting Up and Using Sonar > Using the Sonar Page Sonar Adjustment Options To select an adjustment option: Use one of the following methods to select an adjustment option: • Press the ROCKER right or left to scroll through the adjustment options. When the adjustment option you want appears, press Enter. • Press Menu, highlight Adjustments, and press Enter. Use the ROCKER to highlight the adjustment, and press Enter. After you select an adjustment option, press the ROCKER up or down to change the setting. You can also press Menu and highlight a shortcut setting to quickly change to commonly used settings and values. Press Enter to accept the new setting (or press Quit to cancel) and return to the Sonar Page. Scroll-adjusts the rate that the sonar display scrolls from right to left. If you are sitting still or the sonar display is moving too fast, slow the scroll rate or pause the scrolling. Range-sets the display depth range used for viewing. The unit can be set to automatically track the bottom or set to a user-specified depth range. Zoom-allows you to select a display zoom scale or to split the display. When a scale other than No Zoom is selected, the Adjustment Menu shows a new selection labeled View or Span. The Zoom function is divided into six levels: • 2X Split-shows two reduced-size sonar pictures at the same time. The right half of the screen shows the complete sonar picture at its original scale. The left half shows a portion of the original picture at 1/2 depth scale. GPSMAP 276C Owner's Manual 91