GPSMAP 60CSx Owner’s Manual MAIn PAges > AltIMeter PAgeTo change data fields:1. Press MENU to open the Compass PageOptions Menu.2. Highlight Change Data Fields, and pressENTER. The first data field is highlighted.3. Press ENTER to select from a list of types ofnavigation data to display in that field.4. Use the ROCKER to highlight the option youwant, and press ENTER to place it in the datafield.5. After making your selection and entry, use theROCKER to move to the next field and repeatthe process.To restore data fields to default settings:1. Press MENU to open the Compass PageOptions Menu.2. Highlight Restore Defaults, and press ENTERto return the page to factory settings.Altimeter PageThe Altimeter Page shows you the current elevation,rate of ascent or descent, a profile of elevationchanges over distance or time, or a profile of pressurechanges over time.Altimeter PageCurrentelevationData fieldsRate of ascentor descentRange gridmeasurementscale ElevationprofileThe Status field at the bottom of the page shows thecurrent elevation and your current rate of ascent ordescent when moving. It can also show the ambientpressure and time of measurement.