(b)
 A/L IDENT (3L) Crew enters the airline identification over two characters.

 (c)
 A/L IDENT (4L) Crew enters the airline identification over three characters.

 (d)
 VHF3 SCAN MASK (4R) This prompt enables to access to the VHF3 SCAN MASK page where the crew selects a list of service providers.

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 ATIMS - Access to COMM MENU Page
 Figure 002

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 ATIMS - Access to COMM MENU Page
 Figure 002A

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 ATIMS - Access to COMM INIT and VHF3 SCAN MASK Pages
 Figure 003

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 INTENTIONALLY BLANK

R 1 1

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R  (2) VHF3 SCAN MASK page 
R  (Ref. Fig. 003) 
R  This page is used to determine the list of service providers to be 
R  scanned and their priority level corresponding to the order of 
R  selection. 
R  The VHF3 SCAN MASK is compulsory for the router operation. 
R  (a) SP SELECT (1L, 2L, 3L, 4L, 1R, 2R, 4R) 
R  These prompts display all the selectable service providers in the 
R  VHF scan mask and show whether a SP is selected or not and if it 
R  is, its priority level instead of SELECT. 
R  (b) SCAN MASK ERASE (5L) 
R  This command enables to display a virgin menu to prepare the 
R  entry of a new scan mask. 
R  (c) SCAN MASK LOAD (5R) 
R  This command enables to store the last selection and activate the 
R  VHF SCAN MASK command. 
R  **ON A/C 153-158, 204-209, 
R  C. ATSU DATALINK Pages 
R  The ATSU DATALINK menu is accessible on the MCDU menu and gives access to 
R  the communication menu. 
R  (Ref. Fig. 002) 
R  (1) COMM INIT page 
R  The COMM INIT page enables the crew to enter or check the ARN, the 
R  A/L ID and the scan mask. 
R  (Ref. Fig. 003B) 
R  (a) A/C Register (2L) 
R  This page enables crew to enter or display the Aircraft 
R  Registration Number (ARN) at all times and mainly in the case 
R  where the ARN information from the CFDIU is wrong or inexistent. 
R  NOTE : The ARN enables the initialization of the ATSU Router____ 
R  Function (ARF). 
R  (b) A/L IDENT-2 (3L) 
R  Crew enters the airline identification over two characters. 
R  (c) A/L IDENT-3 (4L) 
R  Crew enters the airline identification over three characters. 

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 ATIMS - Access to COMM CONFIG and VHF3 SCAN SELECT Pages
 Figure 003A (SHEET 1)

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 ATIMS - Access to COMM CONFIG and VHF3 SCAN SELECT Pages
 Figure 003A (SHEET 2)

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 ATIMS - Access to COMM INIT and VHF3 SCAN MASK Pages
 Figure 003B

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 (d) VHF3 SCAN MASK (4R) This prompt enables to access to the VHF3 SCAN MASK page where the crew selects a list of service providers.
 (2) VHF3 SCAN MASK page (Ref. Fig. 003B) This page is used to determine the list of service providers to be scanned and their priority level corresponding to the order of selection. The VHF3 SCAN MASK is compulsory for the router operation.
 (a)
 SP SELECT (1L, 2L, 3L, 4L, 1R, 2R, 4R) These prompts display all the selectable service providers in scan mask and show whether a SP is selected or not and if it is, its priority level instead of SELECT.

 (b)
 ALL INPUTS ERASE (5L) This command enables to display a virgin menu to prepare the entry of a new scan mask.

 (c)
 SCAN MASK ACTIVATE (5R) This command enables to store the last selection and activate the VHF SCAN MASK command.

 (d)
　
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