SV-ADAHRS-200 Module Installation and Configuration
7-8 SkyView HDX System Installation Manual - Revision E
8. If there is a SV-ADAHRS-200 installed, the Compass Calibration is performed
simultaneously. If the Compass Calibration fails on only one (1) of the units, a
message will appear: CALIBRATION FAILED – S/N xxxx
9. CALIBRATION COMPLETE appears when calibration is complete. Press FINISH
to return to menu navigation mode.
7.3.2 In-flight Compass Calibration Procedure:
The in-flight compass calibration should be conducted on a clear, VFR day.
Before commencing the compass calibration, ensure that you have
adequate altitude, clear weather, no traffic, no obstructions in the flight path,
great visibility, no airspace conflicts, etc. It is recommended that clearing
turns be performed before executing each procedure.
It is recommended that you bring someone along for the in-flight compass
calibration procedure. At times the pilot’s attention will be divided between
documentation, configuring SkyView, and maintaining situational
awareness.
Confine the flying for the in-flight compass calibration to a specific area to
minimize variations in the earth’s magnetic field during the calibration
process (IE, don’t combine the in-flight compass calibration with a cross-
country flight).
While the in-flight compass calibration is optional, it will likely improve the dynamic
performance of the heading indications in many aircraft. It is especially recommended in
aircraft where the SV-ADAHRS-200 was, by necessity, installed in an area of the plane
that was not entirely clear of magnetic interference. This is particularly true in steel framed
aircraft.
The best compass performance will be achieved by performing the in-flight
compass calibration after the on-ground compass calibration has been
performed.
1. If you have two (2) SkyView displays, the in-flight compass calibration can be
performed from either display.
2. After observing the cautions above, push buttons 7+8 to enter the IN FLIGHT
SETUP MENU. Note – this menu is not accessible while on the ground.
3. Select COMPASS CALIBRATION.
4. Right-click the knob to enter the in-flight COMPASS CALIBRATION menu. You will
see a screen similar to this:
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