SV-MAG-236 Remote Magnetometer Installation and Configuration
SkyView HDX System Installation Manual - Revision E 8-5
For example, if the SV-ADAHRS-200 is installed in an area of the plane where it is
inconvenient to route the SV-OAT-340 wiring, and the SV-MAG-236 is more accessible
to the SV-OAT-340, just connect the SV-OAT-340 to the SV-MAG-236 (instead of to the
SV-ADAHRS-200).
• Because the SV-OAT-340 is optional for the SV-MAG-236, installation
instructions are not included in this section (see Section 9 SV-OAT-340 OAT
Sensor Installation).
8.3 Electrical Installation
Connect the SV-MAG-236 to the SkyView network using a SkyView Network Cable. To
minimize any potential magnetic interference from the connector, it is recommended to
not locate the connector near the SV-MAG-236. SkyView Network cables made by Dynon
Avionics are available in various lengths, including 6 feet (1.83 m), 10 feet (3.05 m), 15
feet (4.57 m), 20 feet (6.1 m), 25 feet (7.62 m), and 30 feet (9.14 m).
If you have to install a connector on the end of a network cable, insert all pins into the D9
connector. Refer to Section 25 Appendix C: Wiring and Electrical Connections. for details
on connector pinouts and wire colors.
Remember to configure the network as described in the Network Setup and
Status section after connecting all modules to a display.
When a NETWORK CONFIGURATION is performed, the internal magnetometer of the
SV-ADAHRS-200 (and SV-ADAHRS-201, if installed) is disabled.
When an SV-MAG-236 is installed in a SkyView system, if the SV-MAG-236
fails or is disconnected, GPS Ground Track (GND TRK) is substituted for
magnetic heading throughout the system.
Dynon Avionics calibrates every SV-MAG-236 during manufacture. After the
aircraft build is complete, an in-aircraft compass calibration must be
performed. Until the on-ground or the in-flight compass calibration is
performed, SkyView will display a Caution message: NEED COMPASS CAL.
Performing the in-flight compass calibration after the on-ground compass calibration can
increase the accuracy of the compass’ magnetic heading. The best compass
performance will be achieved by performing the on-ground compass calibration, then
performing the in-flight compass calibration. It is not required that the in-flight compass
calibration be performed immediately after the on-ground compass calibration.
The on-ground compass calibration requires pointing the aircraft in four (4) directions and
acquiring data at each direction. An accurate method of aligning the aircraft with magnetic
North, East, South, and West, such as an airport’s compass rose, is required. During the
compass calibration, the aircraft’s configuration and major systems should be in a state
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