User Data Log field decoding

jsalak

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Apr 29, 2013
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FL
Can anyone advise me where the decoding of User Datalog fields CDI Source Port, AP Engaged, AP Roll Mode, and Transponder Status can be found? I am trying to map the number to a mode selection.
 

swatson999

Well-Known Member
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Oct 6, 2010
Messages
1,427
Probably this:
CDI Source Port
0-5. GPSX, NAVX, or LOCX (as in, which source have you selected to drive your HSI, on the screen?)

AP Engaged
0-7. 0=Off, 1= roll only, 2=pitch only, 3= roll+pitch, 4=yaw, 5=roll+yaw, 6=pitch+yaw, 7=pitch+roll+yaw (yaw doesn’t currently exist, but format supports it). Will read 0 all the time if no AP is installed.

AP Roll Mode
0-4. 0=Heading, 1=Track, 2=NAV, 3=GPS Steering. Always reads zero when AP roll not engaged.

Transponder Status
0-3. 0=SBY, 1= GND, 2=ON, 3=ALT

Installation Manual, Appendix E.
 

jsalak

I love flying!
Joined
Apr 29, 2013
Messages
31
Location
FL
Thanks, I did not consider the serial data format as a place to look. Perhaps Dynon can add a note to Appendix F directing folks to Appendix E for data field definitions.
 
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