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POWER
POWER
DATA
DATA
ARINC
ARINC
DATA
DATA
Transponder
IAPS
DCU
FMS CDU
ACARS
CB2--C11
AC BUS 2
<0081><0084>
REV 56, Jan 31/03
Vol. 1 05--40--4
COMMUNICATIONS
Data Communication System
Flight Crew Operating Manual MASTER
CSP A--013
ARINC Communications Addressing and Reporting System (ACARS) Block Schematic <0082>
Figure 05---40---2
VHF 3
Cockpit Printer
APM
ACARS CMU
AUDIO IN
AUDIO OUT
TUNE
COMM LINK
ARINC
DATA KEY
ARINC
POWER
POWER
DATA
DATA
ARINC
ARINC
DATA
DATA
Transponder
IAPS
DCU
FMS CDU
ACARS
CB2--C11
AC BUS 2
Vol. 1 05--40--5
REV 56, Jan 31/03
COMMUNICATIONS
Data Communication System
Flight Crew Operating Manual
CSP A--013
MASTER
ACARS Operation
Figure 05---40---3 Sheet 1
FMS Control Display Unit (CDU)
Line Select Keys
Function Keys
Data Entry Keys
Function Keys
Line Select Keys
MCDU
MENU
The CDU displays the following prompts:
Selection executes a function
Selection changes the page
Selection steps through a select list
Prompt Description
The following conventions are used in this section to indicate actions, results and sequences:
Push a Function Key or Line Key
The finger indicates to push a function or line key. Keys shown under finger,
are keys to push.
Sequence of Actions
Circled numbers show sequences for graphic images and their relationship
to written steps of text. Must be followed in sequence to achieve desired results.
Result of Action
Points to expected result of an action. Unexpected results may indicate
incorrect key inputs.
ACARS
Access to ACARS is via the MCDU MENU function key on the FMS CDU.
REV 56, Jan 31/03
Vol. 1 05--40--6
COMMUNICATIONS
Data Communication System
Flight Crew Operating Manual MASTER
CSP A--013
ACARS Operation
Figure 05---40---3 Sheet 2
To access the ACARS menu page select the MCDU MENU function key on the FMS CDU.
MCDU MENU
<
<
<
NOTE
Vol. 1 05--40--7
REV 56, Jan 31/03
COMMUNICATIONS
Data Communication System
Flight Crew Operating Manual
CSP A--013
MASTER
ACARS Operation
Figure 05---40---3 Sheet 3
No communications with ground.
Uplink message has been processed.
NOTE
REV 56, Jan 31/03
Vol. 1 05--40--8
COMMUNICATIONS
Data Communication System
Flight Crew Operating Manual MASTER
CSP A--013
E. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION NOTES
Data
Communication
System
ACARS ACARS CMU AC BUS 2 2 C11
Vol. 1 05--45--1
REV 56, Jan 31/03
COMMUNICATIONS
Selective Call System (SELCAL)
Flight Crew Operating Manual
CSP A--013
MASTER
1. SELECTIVE CALL SYSTEM (SELCAL) <0010>
The SELCAL system permits ground stations equipped with SELCAL tone transmitting
equipment to call individual aircraft selectively by means of a coded RF signal on the VHF
communication systems. When the SELCAL system receives the code, it sends a visual
and oral message to alert the flight crew. This eliminates the necessity of continuous
monitoring of routine radio signals.
The SELCAL system permits ground stations equipped with SELCAL tone transmitting
equipment to call individual aircraft selectively by means of a coded RF signal on the VHF or
HF communication systems. When the SELCAL system receives the code, it sends a visual
and oral message to alert the flight crew. This eliminates the necessity of continuous
monitoring of routine radio signals. <0011><0060>
The SELCAL system consists of a:
S SELCAL decoder
S Strapping connector.
The decoder is a 5-channel, 16-tone decoder located in the forward avionics compartment
and receives VHF communication systems inputs. The decoder has independent inputs for
up to five radio sources to drive five decoder channels. Any of the available VHF
communication systems can be used for SELCAL monitoring. The SELCAL code is a
four--letter code assigned to each aircraft and is represented by a combination of audio tone
signals.
The decoder is a 5-channel, 16-tone decoder located in the forward avionics compartment
and receives VHF or HF communication systems inputs. The decoder has independent
inputs for up to five radio sources to drive five decoder channels. Any of the available VHF
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