SV-ADAHRS-200 Module Installation and Configuration
7-6 SkyView HDX System Installation Manual - Revision E
Synthetic Vision
(External
Magnetometer)
Winds (Internal
Magnetometer)
Winds (External
Magnetometer)
To ensure that the Slip/Skid Ball will be displayed as centered during flight,
the SV-ADAHRS-200 must be installed to 0° (absolute level). There is no
adjustment in SkyView to electronically level the SV-ADAHRS-200. If, after
installation, the Slip/Skid Ball is not centered, you will need to shim the SV-
ADAHRS-200 to be 0° (absolute level). During installation, it may be
necessary to use an electronic level as a “spirit” or “bubble” level may not
be able to display an accurate enough degree of level.
7.2 Electrical Installation
Connect the SV-ADAHRS-200 to the SkyView network using the hardware mentioned in
Section 2.11 or using equivalent hardware.
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.
7.3 Compass Calibration
Dynon Avionics calibrates every SV-ADAHRS-200 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 an 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 perform 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
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