Garmin GPSMAP 295 - Manual (Page 97)

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MENU
To calculate density altitude and true airspeed:
1. Press MENU twice to display the Main Menu, then use the ROCKER KEYPAD to select ‘E6B’.
2. Use the ROCKER KEYPAD to select the INDICATED ALTITUDE field and press ENTER. Use the
ROCKER KEYPAD to enter the altitude from your altimeter and press ENTER once the entire
altitude reading has been entered.
3. Use the ROCKER KEYPAD to select the CALIBRATED AIRSPEED field and press ENTER. Use the
ROCKER KEYPAD to enter the airspeed from your airspeed indicator and press ENTER.
4. Use the ROCKER KEYPAD to select the BARO PRESSURE field and press ENTER. Use the
ROCKER KEYPAD to enter the current altimeter setting (barometric pressure) and press ENTER.
5. Use the ROCKER KEYPAD to select the TOTAL AIR TEMPERATURE field and press ENTER. Use the
ROCKER KEYPAD to enter the TAT and press ENTER.
6. The calculated figures for DENSITY ALTITUDE and TRUE AIRSPEED will now be displayed.
To calculate winds aloft:
1. Follow the steps above to determine TRUE AIRSPEED. Or, use the ROCKER KEYPAD to select the
TRUE AIRSPEED field, press ENTER, use the ROCKER KEYPAD to enter the true airspeed (as
derived from an alternate source) and press ENTER.
2. Use the ROCKER KEYPAD to select the HEADING field and press ENTER. Use the ROCKER
KEYPAD to enter the heading from your directional gyro or compass, and press ENTER once the
entire heading has been entered.
3. The calculated figures for HEAD/TAIL WIND, WIND FROM and WIND SPEED will now be displayed.
Main Menu: E6B
Enter each item required for the calculation. As you enter
the figures, the GPSMAP 295 will calculate the result.
The HEAD/TAIL WIND figure will automatically select
head wind or tail wind and display the wind component.