User guide

20
Angle of Attack (AOA)
See Appendix I: AOA Pressure Port Location
The EFIS can display an AOA if you have installed the optional AOA system. You will need to
perform an in flight AOA calibration if your unit has not been loaded with precalibrated AOA
data.
The AOA in flight settings can be adjusted from following Menu:
[EFIS] -> [SETTINGS] -> [AOA]
Button 2 in the AOA menu controls the AOA display.
OFF The AOA display is always off
ON The AOA display is always on
DECLUTTER The AOA display will be on if the angle of attack is greater than the AOA declutter
segment in the EFIS AOA calibration menu. We have found the ideal setting for declutter is 8.
The segments are numbered using the following:
23 Warning - RED Only
16 Approach - Yellow lined up with the center of the donut
12 L/D Max - Split Green bar
6 Bottom Green Bar.
Flap Sensor
The AOA indicator can use either the flap position sensor for the screen or the supplied switch connected
to Input #3 on the main EFIS harness. The AOA "Use Flap Angle Sensor" should be set to YES if you
have installed the Linear Flap Position Sensor for the screen in Instrument Calibration.
4. AOA
13. Use Flap Angle Sensor YES/NO
16. Declutter Segment 8
AOA Display
The center round donut will be green when the flaps are down and black when they are up. For a
detailed explanation of the AOA system please refer to the separate AOA manual and the EFIS AOA
Calibration Checklist. The numbers below the display are degrees angle of attack in tenths. If the AOA is
properly calibrated you should get the following displays. As your angle of attack increases the display will
lose bars.
L/D Max