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--8
Figure 6--2. Typical System Status Page
In the event of a detected system failure, one or more of the messages in
Table 6--2 are displayed. Lines 6 thru 10 of the display screen are used to
display the five highest priority faults within the TCAS system. A maximum o f
five messages can be displayed.
Table 6--2. System Status Page Fault Messages
Priority Message Description
1 SUPP FAULT GOTO 0010 Suppression bus failure. Select page 0010 for more
information.
2 TCAS CU FAIL T
2
CAS TCAS function has failed BITE test.
3 ANT FAIL TOP Antenna failure. Message field will display TOP, BOT
or BOTH to indicate which antenna failed.
4 DISP FAIL GOTO 0001 TCAS has lost valid signal from display. Select page
0001 for more information.
5 RALT INACT GOTO 0002 TCAS has lost valid signal from radio altimeter .
Select page 0002 for more information.
6 XPDR F AIL GOTO 0003 TCAS has lost valid signal from Mode S transponder.
Select page 0003 for more information.
7 ANT FAIL GOTO 0011 One of the antenna ports connected to the T
2
CAS CU
has failed. Select page 0011 for more information.
8 OPT FAIL GOTO 0012 Parity for the option selections has failed. Select
page 0012 for more information.
(c) Display Status Page
Selection of code 0001 displays the Display Status page, Figure 6--3. This page
displays the current status of the Resolution Advisory and Traffic Advisory
displays.