User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
Page 6−4
15 Dec 2005
Table 6−1. TCAS Aural and VSI/TRA Annunciations (cont)
Condition Notes
VSI/TRA Annunciation
AuralCondition Notes
ColorCenter
Upper
Right
Upper
Left
Aural
RA Only
(TA Display
Control to OFF)
RA ONLY White VSI/TRA displays
resolution advisories only.
RA Fail RA FAIL VSI FAIL Yellow No resolution advisories
displayed.
Traffic Display
Failure
TD FAIL Yellow No traffic advisories
displayed.
Single VSI/TRA
Failure (Dual VSI
Aircraft)
Normal X across
failed
display
Red On failed side, all
symbology removed and
replaced with a large red
X and hex−coded failure
number. TCAS
operational on good side.
Dual VSI/TRA
Failure (or Single
on Single VSI
Aircraft)
None X across
both
displays
Red All symbology removed
from both displays and
replaced with a large red
X and failure code. TCAS
is not operational.
Cockpit Lamp
Test
Normal Display full
white
During cockpit lamp test,
display goes full white and
displays no symbology.
TCAS SELF TEST (Note 1.)
TCAS Test Mode
(First Second)
TCAS
TEST
TCAS
TEST
White TCAS system self test.
TCAS Test Mode
(2 to 8 Seconds)
TCAS
TEST
White TCAS test pattern shown.
TCAS Test Mode
(at 8 Seconds)
TCAS
TEST
PASS/
FAIL
TCAS
TEST
TCAS test pattern
removed and TCAS
returns to normal
operation unless the test
switch is held, the aircraft
is on the ground, and
TCAS is in STBY.