Garmin GPSMAP 296 Pilot's Manual page 105

To calculate true airspeed and density altitude:
1. From the 'E6B' tab, use the
ARROW KEYPAD
the page) and press
ENTER/MARK
2. Use the to enter the altitude displayed on your altimeter. Press
ARROW KEYPAD
fi nished.
3. Repeat steps 1 and 2 to enter the 'Calibrated Airspeed,' 'Baro Pressure' and 'Total Air Temperature.'
(For 'Calibrated Airspeed,' use the speed displayed on your 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.)
4. The calculated fi gures for 'True Airspeed' and 'Density Altitude' are displayed in the designated fi elds.
To calculate winds aloft:
1. Follow the steps above to determine true airspeed. Or, use the
to manually enter a true airspeed fi gure in the 'True Airspeed' fi eld.
2. Use the ARROW KEYPAD to highlight the 'Heading' fi eld and press
3. Use the to enter the aircraft heading displayed on your directional gyro or compass.
ARROW KEYPAD
Press ENTER/MARK when fi nished.
The calculated fi gures for 'Head Wind,' 'Wind From,' and 'Wind Speed' are displayed.
NOTE: If a True North reference is currently selected (as the heading reference) on your
GPSMAP 296, you must enter 'Heading' using a True North reference to accurately determine
winds.
To restore defaults on the E6B Tab:
1. Open the E6B Tab of the Main Menu.
2. Press to open the Options Menu.
MENU
3. Press ENTER/MARK when 'Restore Default' is highlighted.
to highlight the 'Indicated Altitude' fi eld (at the top of
.
ARROW KEYPAD
ENTER/MARK
when
ENTER/MARK
and ENTER/MARK
.
Main Menu
E6B Tab
'E6B' tab
97