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.
5--5
Table 5--3. Extended Test Menu Selections
4096 Ident Code Number Page Page Name
0000 0 System Status
0001 1 Display Status
0002 2 Rad/Alt Status
0003 3 Xpdr Status
0004 4 Program Pins 1/3
0005 5 Program Pins 2/3
0006 6 Program Pins 3/3
0007 7 Help Reference
0011 11 Antenna Port Status
0012 12 Option Pins Status
All Other Codes Blank TCAS Test Menu
To view the TCAS test menu and system status pages along with the troubleshooting
messages, refer to the FAULT ISOLATION section.
To exit the e xtended test mode, set the ATC/TCAS mode selector switch to Mode S
ON.
B. TAWS/RWS Flight Deck Display Test Modes
The T
2
CAS TAWS/RWS System provides two types of test modes; a standard functional
test mode and an extended maintenance test. Both test modes can be activated by the
TAWS/RWS/GPS TEST button or switch on the Flight Deck. The short test mode can
also be activated b y a central maintenance computer (CMC) or a central fault d isplay
interface unit (CFDIU). The extended test mode can only be initiated at the end of the
short test.
(1) Standard Test Mode
The standard test mode provides a flight deck initiated functional test of the aural
annunciations, lamp tests, and display activity.
The Standard Self--Test is performed by activating either the CMC self--test or the
self--test discrete input (RTP --10E = GND). The Standard Self--Test can occur while
on the ground or while in the airborne state.
Upon activating the Standard Self--Test the following will occur:
The Standard Self--Test will not be initiated if a TAWS alert is present when either
the CMC self test or the self test discrete input is activated.
If the T
2
CAS unit has the windshear function enabled, the following aural
annunciation will occur: