To save a zoom window range in Auto:1. Press the R keypad up to view a shallower range ordown to view a deeper range. The range scale on theleft side of the zoomed picture will be highlighted.2. When the window reaches the desired range, pressF to accept. A ‘Change To Manual Range?’ windowwill appear. Highlight ‘Yes” and press F.3. If you do not want to save the range, highlight ‘No’ andpress F. You may then resume manually moving thezoom window.4. Press Q at any time to return to an auto range modedisplay.To save a zoom window range in Manual:1. Press the R keypad up to view a shallower range ordown to view a deeper range. The range scale on theleft side of the zoomed picture will be highlighted.2. When the window reaches the desired range, pressF to accept.3. If you do not want to save the range, press Q toreturn to the previous window range.Sounder SetupThe sounder displays can be customized to fit yourneeds from the sounder setup submenu accessed fromthe Menu Page (See pg. 58-61).Zoom WindowREFERENCE40If you activate the zoomwhile in Auto range modeand then decide to manual-ly adjust the range, a mes-sage window will appear.Highlight ‘Yes’ and pressENTER to activate Manualrange mode and continuemanually adjusting therange.The zoom window may bemoved at any time by usingthe arrow keypad.