PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
4-23
Electronic Flight Instrument System (EFIS)
EFIS Preflight Self--Test
ToruntheEFISself--test,pushandholdtheTESTbuttononthe DCand
verify the following:
NOTES: 1. The EFIS test is only functionalwhen the aircraft is on
the ground. The test is functional at all times except
during GS CAP/TRK.
2. A localizer frequency must be tuned on both NAV
receivers to annunciate ILS.
3. Self--test islimited to radio altimeter test only in the air
and is inhibited after glideslope capture.
4. FD FAIL annunciation is not displayed during a
pilot--initiated test.
5. If the aircraft is on the ground and the DC TEST button
ispushed longerthan5or6seconds,thesystem enters
the initiated test mode. Refer to Section 9,
Troubleshooting, for information about initiated testing.
EFIS SELF--TEST
D PFD Display Test Results
- TheEFIStestisonlyfunctionalwhentheaircraft isontheground.
TheradioaltimetertestisfunctionalatalltimesexceptduringGS
CAP/TRK.
- Course select,headingselect, RAset,distanceandGSPD/TTG
digital displays are replaced with amber dashes.
- ATT and HDG displays are flagged.
- All pointers/scales are flagged.
- All heading related bugs/pointers are removed.
- Flight director command cue is biased from view.
- Radio altimeter digital readout displays radio altimeter self--test
value.
- The comparator monitor annunciates ATT, HDG, and ILS (if ILS
sources are selected on both sides).
- ThewordTEST (inmagenta)isannunciatedinthelateralcapture
location on the top left of the ADI.
- The WDSHEAR (windshear) annunciation is displayed.
- FD mode annunciators are removed.
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