Garmin GPS 155TSO Owner's Manual

Contents

Garmin GPS 155TSO Owner's Manual Manual pdf 21 page image

The GPS 155 position page displays your present latitude and longitude, altitudeand a reference waypoint field; and is also used to enter barometric pressure duringapproach operations. The altitude and reference waypoint fields are selectable to con-figure the page to your own preferences and current navigation needs.The altitude field can display either the present altitude, minimum safe altitude(MSA) or the enroute safe altitude (ESA). MSA is the recommended minimum altitudewithin approximately ten miles of your present position. ESA is the recommendedminimum altitude within ten miles of your course on an active route or direct-to.MSA and ESA altitudes are calculated from information contained in the database andgenerally includes mountains, buildings and other permanent features (see right).To change the altitude field to display other information:1. Press C to obtain a flashing cursor.2. Use K to change the field to display the desired data.3. Press C to return to normal navigation.11NAV KEYPosition PagePosition page displaying MSA.The same Position page displaying ESA. If you are on aroute from New York City to Los Angeles, the MSA wouldbe 2700 ft. at KJFK to account for objects in the area.However, the ESA would be 16,700 feet to account for thecourse flying through the Rocky Mountains.Altitude, MSA or ESA (selec-table)Barometric Pressure(during approach navigation)PositionWaypoint Reference Field(selectable)