INSTALLATION MANUAL
CMA-5024 GLSSU
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without prior written permission by CMC Electronics Inc.
Page C.17
Revision 1 Jan 19, 2009
ARINC BIT DESCRIPTION SETTING ISO#5 CODE
10, 9 SDI: All Call = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 227
Note: The Increment Flight Cycle command is recognized only on the OMS bus. The following commands are
not recognized on the OMS bus: Guidance Test, Database Selection Request - First Cycle, Database
Selection Request - Second Cycle, Cancel Selected Approach, Park Cancel, and Park Request.
1.27 Label 232 - GLS Airport ID #1 - Output
ARINC BIT
DESCRIPTION SETTING
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Fail Warning = 11
29 - 24 Airport ID Character 4 (b6 - b1) ISO#5 Character [1]
23 - 18 Airport ID Character 3 (b6 - b1) ISO#5 Character [1]
17 - 12 Airport ID Character 2 (b6 - b1) ISO#5 Character [1]
11 spare = 0
10-9 SDI All Call = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 232
[1] Only upper case letters, numbers, and IA-5 “space” (“100000”) are used and encoded in bits b1
through b6. Bit b7 of the code may be reconstructed by taking the Complement of bit b6. Character
4 is the least significant character. Used in conjunction with GBAS ID / GLS Airport ID #2 label 255
and set per contents of the FAS.
1.28 Labels 242 & 244 - VOR Ground Station Identifier Words 1 & 2 - Output
ARINC BIT DESCRIPTION SETTING
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Fail Warning = 11
29 - 27 Spare = 0 0 0
26 Pad = 0
25 - 19 Ground Stn. Ident. Char. #2 / #4 ISO#5 Character as per Look-Alike
ILS Ground Station Identifier APD
18 Pad = 0
17 - 11 Ground Stn. Ident. Char. #1 / #3 ISO#5 Character as per Look-Alike
ILS Ground Station Identifier APD
10-9 SDI Not Used = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 242 & 244 (VOR)
Note: Label 242 contains characters 1 and 2, and Label 244 contains characters 3 and 4.
The document reference is online, please check the correspondence between the online documentation and the printed version.