INSTALLATION MANUAL
CMA-5024 GLSSU
This document includes Proprietary Information and shall not be reproduced or communicated to third party
without prior written permission by CMC Electronics Inc.
Page C.3
Revision 1 Jan 19, 2009
1.5 Label 034 - VOR/ILS Frequency - Output
ARINC BIT DESCRIPTION SETTING NOTE
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Not Used = 11
29 - 27 Frequency (10 MHz) (a)
26 - 23 Frequency (1 MHz)
22 - 19 Frequency (0.1 MHz)
18 - 15 Frequency (0.01 MHz)
14 Control 0 = VOR
1 = ILS
(b)
13-11 Spare
10 - 9 SDI Not Used = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 034
(a) The frequency is as per the Look-Alike ILS/VOR Frequency APD when the GLSSU generates the
label. The range is 108.0 to 117.95 MHz.
(b) The control is forced to 'ILS' when the GLSSU generates the label.
1.6 Label 035 - DME Frequency - Output
ARINC BIT NOMENCLATURE SETTING
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Not Used = 11
29 - 27 Frequency (10 MHz) (a)
26 - 23 Frequency (1 MHz) (a)
22 - 19 Frequency (0.1 MHz) (a)
18 Frequency (0.05 MHz) (a)
17 Audio Identification (b)
16 Display (c)
15-14 DME Channel Paired to Device 00 = VOR
01 = ILS
10 = “X” or “Y” coded MLS paired VHF
11 = “W” or “Z” coded MLS paired VHF
(d)
13-11 DME Function 000 = Standby
001 = Directed Freq 1
010 = Directed Freq 2
011 = Directed Freq 3
100 = Directed Freq 4
101 = Directed Freq 5
110 = Free Scan
111 = Spare
(e)
The document reference is online, please check the correspondence between the online documentation and the printed version.
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