User's Manual

Table Of Contents
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
The ARINC 708A formatted terrain display is transmitted as a series of 1600-bit
words, each word containing color information along a specific angle radial. The
refresh rate of the entire image is based on the number of radials transmitted. A
transmission interval of 5.00 milliseconds per radial with a total of 513 radials per
image results in an image refresh interval of 2.565 seconds with an acceptable
level of image clarity.
(5) TAWS and Transponder ARINC 429 Output to OMS
The T
3
CAS transmits the OMS information listed in Table 4-59 and Table 4-60.
Table 4-59: TAWS ARINC 429 Output Interface to OMS
Label Number
Data Name
272
GCAM Input Discrete Status Word 1
273
GCAM Input Discrete Status Word 2
275
GCAM Program Pin Status Word 1
276 GCAM Program Pin Status Word 2
277 GCAM Input NCD Status Word
334 GCAM Status of Input Bus
354
TAWS OMS LRU Identification Initial Word (STX)
354
TAWS OMS LRU Identification Data Words
(Intermediate)
354
TAWS OMS LRU Identification Final Word (EOT)
356
TAWS OMS Normal Mode Initial Word (STX With No
Faults)
356
TAWS OMS Normal Mode Initial Word (First STX)
356
TAWS OMS Normal Mode Initial Word (Subsequent
STX)
356
TAWS OMS Interactive Mode STX Word
356
TAWS OMS Normal Mode Data Words (Intermediate
Data Word)
356
TAWS OMS Interactive Mode RTS Word
356
TAWS OMS Interactive Mode Screen Control Words
356 TAWS OMS Mode Final Word (ETX)
356 TAWS OMS Mode Final Word (EOT)
377
Equipment Identification
Pub. No. 8600200-001, Revision 004
34-45-29
4-159
04 Nov 2014
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