User's Manual Part 2

T
2
CAS / Part No. 9000000
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
34-43-20
15 Feb 2003
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
6--3
(b) Push and hold the TAWS/RWS/GPS TEST button/switch on the Flight Deck for a
few seconds to start the standard self test.
(c) The extended self--test is then initiated by pushing and holding the
TAWS/RWS/GPS TEST button/switch on the Flight Deck for more than three
seconds, with the initiation beginning between the end of the standard self--test
aural annunciation of one of the following messages and three seconds later:
• “TERRAIN AWARENESS AND WINDSHEAR TEST COMPLETE”.
• “TERRAIN AWARENESS TEST COMPLETE”.
• “TERRAIN AWARENESS AND WINDSHEAR TEST PASSED”.
• “TERRAIN AWARENESS TEST PASSED”.
(d) Once on Extended Self--Test Page One as shown in Figure 6--14, the T
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CAS
Extended Self --Test display can be indexed to the next Extended Self--Test page
by pressing the TAWS/RWS/GPS TEST button/switch for three seconds or less.
NOTE: If the CMC Self--Test Input initiates a standard self--test during the extended
self--test, the T
2
CAS will replace the extended self--test page with the
multicolor test pattern and begin standard self--test.
(e) After system fault isolation test is completed, the Extended Self--Test pages can
be exited by pressing the TAWS/RWS/GPS TEST button/switch for more than
three seconds.
(f) Set system power to OFF and correct faults by replacing indicated LRUs or by
repairing faulty wiring harness.
(g) Test system as required after repair.