Garmin GPSMAP 695, Owner'S Manual

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Garmin GPSMAP 695/696 Owner’s Manual 190-00919-00 Rev. D
appendix F
166
Overview
GPS Navigation
Flight Planning
Hazar
d
Avoidance
Additional F
eatur
es
Appendices
Index
I •
ndicated Altitude —required entry for density altitude/true airspeed calculation.
Enter the aircraft’s altimeter reading.
Baro Pressure • —when the unit is receiving XM weather information, the field auto-
matically updates to the barometric pressure of the nearest METAR. If XM weather
information is not available you need to enter the current barometric pressure.
Calibrated Airspeed • — required entry for density altitude/true airspeed calculation.
Enter the aircraft’s airspeed indicator value.
Total Air Temp • — required entry for density altitude/true airspeed calculation. Total
Air Temperature (TAT) is the temperature of the air including the heating effect caused
by speed. The temperature reading on a standard outside air temperature gauge found
on most piston aircraft is TAT.
Heading •
— required entry for winds aloft calculation. Use heading from the aircraft’s
heading indicator or directional gyro.
Tail Wind •
— (calculated figure) determined from entry of heading and true airspeed.
Wind From • —(calculated figure) determined from entry of heading and true airspeed.
Wind Speed • —(calculated figure) determined from entry of heading and true air-
speed.
Density Altitude • — (calculated figure) determined from entry of indicated altitude,
barometric pressure and total air temperature.
True Airspeed • — (calculated or user-entered figure) determined from entry of
calibrated airspeed, barometric pressure, and total air temperature. This can also be
entered directly for winds aloft calculations.
Calculating true airspeed and density altitude:
1) From the E6B Calculator Page, enter the altitude shown on the altimeter
into the ‘Indicated Altitude’ field, and press the ENT Key.