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 theadjustment options. When the adjustment option you wantappears, press ENTER.• Press MENU, highlight Adjustments, and press ENTER.Use the ROCKER to highlight the adjustment, and pressENTER.After you select an adjustment option, press the ROCKER up ordown to change the setting.You can also press MENU and highlight a shortcut setting toquickly 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.Sonar AdjustmentsAdjustment OptionsScroll—adjusts the rate that the sonar display scrolls from right toleft. 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 canbe set to automatically track the bottom or set to a user-specifieddepth range.Zoom—allows you to quickly select a display zoom scale or tosplit the display. When a scale other than No Zoom is selected, theAdjustment Menu shows a new selection labeled View or Span. TheZoom function is divided into six display levels:• 2X Split—shows two reduced-size sonar pictures at the sametime. The right half of the display shows the complete sonarpicture at its original scale. The left half shows a portion ofthe original picture at 1/2 depth scale.• 2X Zoom—shows the 2X zoomed picture on the full screen.• 4X Split—shows two reduced pictures, the right at theoriginal depth scale and the left at 1/4 the original depth scale.• 4X Zoom—shows the 4X zoomed picture on the full screen.GPSMAP 276C Owner’s Manual 91SETTING UP AND USING SONAR > U SING THE SONAR PAGE
