EnteringdataTIP: To clear the entire data field, highlight the left-mostcharacter field and press left on the Rocker again.Not all fields are programmable. When you are on a page with fieldsthat are not selectable, the highlight skips over them.Using the Main MenuUse the Main menu on your GPSMAP 580/585 to access variousfunctional tabs --- Waypoint, Route, Tracks, Sonar, Setup, etc. Pressthe Menu key twice from any page to open the Main menu.Main menuTo select a tab from the Main Menu:1. From any page, press Menu twice to open the Main menu.2. Press up or down on the Rocker to highlight a tab. Theinformation for the highlighted tab automatically appearson the right. To highlight a sub tab, press left or right on theRocker, and then press up or down to select individual fields.By default, the Main menu tabs are shown as icons along the leftside of the screen. You can change the Main menu to show tabs in atext-only format.To view the Main Menu icons in text-only format:1. Highlight the Display tab, and press Enter.2. Select the Main menu field, and press Enter.3. Highlight Text Only, and press Enter.10 GPSMAP 580/585 Owner’s ManualGetting Started