GRT Avionics, Inc.
May 2019
Sport EX/Horizon EX Install. Manual
38
Rev. A
A-6: Digital Magnetometer Pinout Diagram
CAB-SPORT-MAG:
The digital magnetometer harness has a female 9-position D-sub
connector that attaches to the digital magne
tometer’s male 9-postion D-sub connector.
The harness is provided without the B connector end attached. Use the following diagram
to attach the connector to the cable after routing it through the airframe.
Figure A-7: 9 Position Female D-sub Connector (Insertion View)
A-7: Angle-of-Attack (AOA) Installation and Calibration
A-7-1: Sensed AOA Installation
The sensed version of the angle-of-attack option uses a two-port pitot tube, such as the
Garmin GAP-26. If a heated probe is not required, a two-port pitot probe may be
fabricated by mounting a second pitot tube, bent downward at approximately a 60° angle,
as shown here:
CAB-SPORT-MAG
Digital Magnetometer
Pin
Function
Wire Color
1
I
Ground
BLK
2
NC
3
NC
4
NC
5
I
Power In (+4.3V)
WHT/RED
6
NC
7
NC
8
NC
9
I
Serial Output
WHT/BRN
I
Insert pin into connector after the wires
are pulled through the airframe.
