Garmin aera 796 Pilot's Guide - Page 180
Aircraft Profile, Main Menu, Tools, E6B Calc, Restore, Default, Profile
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Overview GPS Navigation Additional Features Hazard Avoidance Flight Planning Appendix G Calculating true airspeed and density altitude: 1) From the Main Menu, touch Tools > E6B Calc, enter the altitude shown on the altimeter into the 'Indicated Altitude' datafield. 2) Repeat for 'Calibrated Airspeed', 'Baro Pressure', and 'Total Air Temperature' datafields. (For Calibrated Airspeed, use the speed shown on the airspeed indicator. Use the current altimeter setting for Baro Pressure. Total Air Temperature is the temperature of the outside air including the heating effect caused by speed. For most aircraft, this is the temperature reading on a standard outside air temperature gauge.) The calculated figures for True Airspeed and Density Altitude are shown in the designated fields. Calculating winds aloft: 1) From the Main Menu, touch Tools > E6B Calc, calculate or enter the true airspeed into the 'True Airspeed' datafield. 2) Enter the aircraft heading shown on the directional gyro or compass into the 'Heading' datafield. Tail Wind, Wind From, and Wind Speed are calculated. NOTE: If True North is selected as the heading reference, a heading referenced to True North must be used to calculate winds accurately. Restoring E6B calculator defaults: From the Main Menu, touch Tools > E6B Calc > Menu > Restore Default. AIRCRAFT PROFILE The Aircraft Profile allows the pilot to select cruising speed, maximum speed, fuel flow, and map symbol. The unit can save up to 10 aircraft profiles. The maximum speed is used to define the range for airspeed on the Panel and is automatically updated if you exceed this figure. Accessing the aircraft profile: From the Main Menu, touch Tools > Profile Appendices Index 166 Garmin aera 795/796 Pilot's Guide 190-01194-00 Rev. A