Garmin Fishfinder 250 Owner's Manual

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Garmin Fishfinder 250 Owner's Manual Manual pdf 21 page image

2x ZoomviewNormal viewDepth LineBASIC OPERATION > U SING THE ADJUSTMENT MENUFishfinder 250/250C Owner’s Manual 17Adjustment OptionsAdjustment MenuThe following adjustments can be made from the Adjustment Menu:• Range—sets the display depth range used for viewing. Theunit can be set to automatically track the bottom or set to auser-specified depth range (see “Custom Range” on page 22).• Zoom—quickly selects a display zoom scale or to split thedisplay. When a scale other than No Zoom is selected, theView or Span options are activated in the Adjustment Menu.The Zoom function includes the following seven settings:No Zoom––displays the sonar picture with no zoom.2x Split––shows two reduced-size sonar pictures at the sametime. The right half of the display screen shows the completesonar picture at its original scale. The left half shows a portionof the original picture at 1/2 depth scale.2x Zoom––displays the 2x zoomed picture on the full screenand does not show the original scale picture.4x Split––shows two reduced pictures, the right at the originaldepth scale and the left at 1/4 the original depth scale.4x Zoom––displays only the 4x zoomed picture on the fullscreen.Sonar 2x split screen (shown with Depth Line)