EnteringdataTIP: To clear the entire data field, highlight the left-mostcharacter field and press left on the ROCKER again.3. Press ENTER.Not all fields are programmable. When you are on a page with fieldsthat are not selectable, the highlight skips over them.Restoring Default SettingsYou can restore factory defaults for the following Main Menu tabs:Track, Alarms, Display, Sound, and Setup. For more informationabout the Main Menu, see the “Main Menu” section beginning onpage 64.To restore default settings:1. Press MENU twice to open the Main Menu.2. Use the ROCKER to highlight a tab, and then press MENU toopen the options menu.Setup Tab Options Menu3. Highlight Restore Default, and press ENTER.Using the DatabasesOptional Garmin data cards and MapSource CD-ROMs enhance theversatility of your GPSMAP 276C. With optional MapSource CitySelect data, you can view listings of nearby restaurants, lodging,shopping centers, attractions and entertainment, and even retrieveaddresses and phone numbers for any listed location.The included USB Interface Cable or an optional PC Interface Cable(with a serial connector) is used to transfer MapSource CD-ROMdata to the optional data card.Visit the Garmin Web site at http://www.garmin.com/cartography/for compatible MapSource products.10 GPSMAP 276C Owner’s ManualGETTING STARTED > U SING THE GPSMAP 276C