Installation Guide Instruction Manual
 Appendix 
FlightDEK-D180 Installation Guide    9-33 
directly to your switched avionics power. Ensure that all avionics power is off before performi
 this in
ng 
the wiring step of stallation. 
If trobe signal or a D4 pin, leave these pins unconnected.  your Altitude Transponder has either a s
Transponder Pin  Encoder Converter 
Wire Color 
A1 Yellow 
A2 Green 
A4 White with Blue 
B1 Blue 
B2 Orange 
B4  White with Red 
C1 White with Green 
C2 White 
C4 White with Black 
Power (10V-30V)  Red 
Gnd Black 
Strobe Signal  No Connection 
The Gray code output of the Encoder Converter reports altitude not adjusted for barometric 
pressure, as required by FAA specification. The altitude reported by the FlightDEK-D180 
encoder will always m the BARO value is set to 29.92 
in
ing connections to the FlightDEK-D180 check to ensure th
at the wire length between 
 will facilitate an installation that is both cleaner 
r Converter 
installation are pins 13 and 21. The two wires exiting the Encoder Converter are the EFIS-TX 
and the EFIS-Ground, which are green (or red) and black respectively, and 2 feet in length. 
atch the altitude shown on screen when 
Hg. 
STEP 2: CONNECTING TO THE FLIGHTDEK-D180 
Before wir
your Encoder Converter and your FlightDEK-D180 is appropriate. Add or remove wire length if 
needed or desired. Customizing the wire length
and more secure. 
The only pins of interest on the FlightDEK-D180 connector for the Encode
Connect these wires to the FlightDEK-D180 25-pin female harness. 
Ensure that your FlightDEK-D180 is powered off. Then connect the black EFIS Ground wire to 
pin 21. Then, connect the green wire to pin 13 (Serial Encoder Transmit) on the EFIS harness.










