User's Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 F-4
3 JUN 10
* These bits are cleared when the chime light inhibit discrete signal is asserted.
15 Message Alert with
Chime
• Refer to MCDU messages for timely information
• Terminal should clear this bit once positive pilot response has
been detected
16 Message Alert without
Chime
• This bit is never set, it is reserved for future use.
17 Not Logged-On • Terminal is not logged onto a ground station
18 Master/Slave • This bit is never set, slave operation is not supported.
•
19 CMU 2 Inactive • CMU 2 transmission of valid Label 270 is detected inactive
• Label 270 SSM coded to fail on CMU #2
• Label 270 bit 20 is not set
20 Cockpit Fault • Not used
21 Cockpit Voice Fault • Not used
22 Voice Call 1 • Terminal has detected a low priority (4) flight deck incoming
voice call on channel 1
23 Voice Call 2 • Terminal has detected a low priority (4) flight deck incoming
voice call on channel 2
24 Voice Alert 1 • Terminal has detected a high priority (1, 2, or 3) flight deck
incoming voice call on channel 1
25 Voice Alert 2 • Terminal has detected a high priority (1, 2, or 3) flight deck
incoming voice call on channel 2
26 Cockpit Voice
Communication 1
• A cockpit voice communication is connected on channel 1
27 Cockpit Voice
Communication 2
• A cockpit voice communication is connected on channel 2
28 • Never set
29 Data • No active CMU is available at the SDU, or the active CMU
does not respond with a Loop Word in response to a Test
Word
• This bit being set can be caused by the following:
• Bus inactivity on all CMU inputs
• Bus activity, but no declared active CMU
• Bit may be used to set a cockpit advisory message (for
example, >SATCOM DATA) indicating to the flight crew a loss
of data link capability due to a failure in the CMU interface.
Table F-3 Status Word 1 Bits (Continued)
Bit(s) Description If Set