Garmin Cirrus Perspective SR20, Руководство по линейному обслуживанию

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Page 8-2 Cirrus Perspective™ Line Maintenance Manual
Rev. E 190-00920-00
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After ~10 seconds of stable GPS position reacquisition, verify the TAWS
AVAILABLE aural alert is given.
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Verify that the system returns to normal navigation mode (GPS CDI restored, DR
annunciation removed, & GPS data magenta).
8.2 GIA TESTING
8.2.1 Single GIA Test Procedure
1. Remove power from GIA1 by pulling the NAV/GPS1 and COM1 breakers. Check for
desired results.
2. Restore power to GIA1. Allow GPS1 to re ‐ acquire satellites.
3. Remove power from GIA2 by pulling the NAV/GPS2 and COM2 breakers. Check for
desired results.
4. Restore power to GIA2. Allow GPS2 to re ‐ acquire satellites.
5. For a GIA1 failure, only the following shall flag invalid:
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COM1/NAV1 field (PFD & MFD).
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NAV1 CDI loses deviation bar (PFD only).
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‘AHRS1 using backup GPS’ alert given.
6. For a GIA2 failure, only the following shall flag invalid:
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COM2/NAV 2 field (PFD & MFD).
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NAV2 CDI loses deviation bar (PFD only).
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‘AHRS not receiving backup GPS information’ alert is given.
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ADF/DME windows flag invalid (if equipped).
8.2.2 Dual GIA Test Procedure
1. Remove power from both GIA units. Check for desired results.
2. Restore power to both GIA units. For a dual GIA failure, the following shall occur:
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COM1/NAV1 & COM2/NAV2 fields flag invalid.
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GPS CDI flags DR on PFD, all GPS data AMBER.
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Verify that ‘DR’ appears in amber superimposed over the aircraft icon on the
MFD map and PFD inset map.
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NAV1 & NAV2 CDI loses deviation bar.
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XPDR field flags invalid on PFD.
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Engine Instrument field flags invalid on MFD.
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All AHRS & ADC fields remain valid.
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‘AHRS1 not receiving any GPS information’ alert given.