0 GPSMAP 496 Owner’s ManualgettIng stArted > usIng the gPsMAP 496To enter data in a data field:1. Use the ROCKER to highlight the data field you want, andpress ENTER to activate the field.2. Press up or down on the ROCKER to select characters. Pressright to move to the next character or press left to move backto the previous character. If there are two lines of data, keeppressing right to drop to the next line.3. After entering the data, press ENTER.Entering DatanotE: To clear the entire data field, highlight the left-mostcharacter field and press left once more on the roCKEr.Not all fields are programmable. When you are on a page with fieldsthat are not selectable, the highlight skips over them.GPSMAP 496 DatabasesYour GPSMAP 496 comes with built-in City Navigator street andpoints of interest mapping, Jeppesen® database, Obstacle database,Terrain database, and Voice Guidance database. You also shouldupdate your Jeppesen database to use the most current data. Refer topage 144 for more information.MapSource Detailed MapsOptional Garmin data cards and MapSource CD-ROMs enhance theversatility of your GPSMAP 496. With optional BlueChart g2 data,you can access marine navaids, wrecks, obstructions, and anchoragelocations.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.For compatible MapSource products, refer to the Garmin Web site atwww.garmin.com/cartography.