EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 152-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
Figure 10.28 – Accept/Reject Results
To determine whether to ACCEPT or REJECT the results check four headings
approximately 90º apart against a known good heading source (i.e., aircraft compass,
sight compass, compass rose).
PFD software version 1.0
If the headings are all within ±4º then press ACCEPT. If the headings are off by more
than 4º, but all in the same direction (all higher or all lower than actual) then ACCEPT
the results and use the Heading Offset Adjustment in Section 10.5.3.1 to correct for a
miss-aligned RSM.
PFD software version 1.1
If the headings are within ±10º then press ACCEPT and use the Heading Offset
Adjustment in Section 10.5.3.2 to align each heading value to actual.
Pressing the “ACCEPT CALIBRATION” selection shall accept the calibration results,
display the annunciation shown in Figure 10.29 for 5 seconds, and return the “RSM
CALIBRATION” menu page to its initial state.
MAGNETOMETER CALIBRATION
ACCEPTED
MAGNETOMETER CALIBRATION
COMPLETE
PLEASE ACCEPT OR REJECT RESULTS
Figure 10.29 – Results Accepted
Pressing the “REJECT CALIBRATION” selection shall reject the calibration results. Reject
the results if the calibration was poor or a previously stored calibration has better
heading accuracies.
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