ACARS VOICE CONT REPORT Page
 Figure 009

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 ACARS VHF CONTROL Page Figure 010 
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 If the database does not contain an entry for a particular line key, then the asterisk for that line key is blanked and actuation of that key has not effect.
 (2)
 Manual voice frequency. Line key 5L can be used to manually enter a frequency or to select a previously entered frequency. The default value is amber boxes. Entered data is displayed using large cyan font. If an incorrect frequency is entered, the scratchpad displays the INVALID ENTRY indication.

 (3)
 Uplink voice frequency.
 Line key 5R is used to tune the radio to a frequency received.
 The default value is white dashes.
 If an invalid frequency is received, then it is ignored.

 (4)
 Select data mode. Actuation of line key 6R causes the MU to attempt to enter data mode. If the VHF link is already in data mode, then actuation of this key is ignored.

 (5)
 VHF voice frequency validation. In order for a VHF voice frequency to be considered valid, its value must be comprised between 118000 and 136975 and be a multiple of 25.

 G. TELEX with Address Selection Data Entry Screen (Ref. Fig. 011) The ACARS TELEX ADDRESS is selected by pushing line key 5L from the ACARS PREFLT MENU page. The hardcoded data entry screen creates a multi-page screen that provides address selection. The telex downlinks can contain either a 4 or 7 character ground address.
 H. Received Messages Page (Ref. Fig. 012) The ACARS REC MSGS page is accessed by pushing line key 6R from the ACARS PREFLT MENU page. This page is used to view REPORT uplink titles, and to select REPORT uplinks. Each REPORT uplink has its Title, or Default Title, displayed on the Prompt Lines of line keys 1L through 5L. Each REPORT uplink is queued for display on the ACARS REC MSGS page in the order in which it was received. A REPORT will be identified by its associated title. The most recent REPORT Title appears at the top of the ACARS REC MSGS page. Up to five REPORT uplinks may be displayed on a single page of this screen. A maximum of ten pages are allowed for a total display capability of fifty REPORT uplinks.
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 ACARS TELEX Page Figure 011 
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 ACARS REC MSGS Page Figure 012 
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 The Message Display pages (ACARS MSG DISPLAY prompt) are selected by pushing the line key on the ACARS REC MSGS page associated with a specific Report uplink. If the maximum of fifty REPORT uplinks are received and queued, the MU deletes reports according to the following priorities until enough room is available:
 -
reports that have been previously selected and are not "Flush Override" reports, oldest first

 -
reports that have not yet been selected and are not "Flush Override" reports, oldest first

 -"Flush Override" reports, oldest first. Each REPORT Title is initially displayed in large font upon reception. After the crew selects a report or after the report is automatically printed, then the associated Title changes to small font. The transition to small font does not occur until the pilot returns to the REC MSGS page. Upon subsequent returns to the ACARS MSG DISPLAY page, the Title is displayed in small font.
 A report may be deleted from the ACARS MSG DISPLAY page by initiating the following sequence:
 -
push the CLR function key, the string CLR appears in the scratchpad

 -
push the line key adjacent to the RETURN TO REC MSGS indication.

 The results are the same as if the report was deleted from the ACARS
 REC MSGS page.
 For all the Message Display prompts (i.e. ACCEPT, REJECT, PRINT) if the star is absent then line key presses for that prompt will be ignored.
 J. Miscellaneous Menu (Ref. Fig. 013)
 (1) ACARS data frequency page (Ref. Fig. 014) The ACARS DATA FREQ page is accessed by pushing the line key 1L from the ACARS MISC page. This page presents a menu of the regions of the world that can be selected by the crew. Each region is associated with a VHF data frequency. The associated data frequency is displayed on the second line of this page. The first character of this string indicates the following modes:
 -A for Automatic Frequency Management mode
　
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