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The Officer of the Watch must approve the Long Range reply when in MANUAL
mode, by a means of pressing a keyboard button on the L-3 ProTec before the reply
is performed.
The Long Range reply, when in EXT APPL mode, is made by the L-3 ProTec upon
reception of confirmation / acknowledgement from the external application via the
high-speed ports. The external application acknowledges the interrogation by return-
ing the LRF sentence (updated with reply information).
1.4.5.
Long Range Input Data and Formats
The input data and formats are in the form of two Long Range interrogation sen-
tences, LRI and LRF, refer to Table 1–5.
F
The LRI -sentence contains the information needed to determine if a reply
needs to be constructed.
F
The LRF-sentence identifies the information items that are being re-
quested. Details of each sentence can be found in IEC 61162-1.
Table 1–5. Long Range Input Data and Formats
Data
Long Range Interrogation
Type of request:
- Geographic area request
- AIS transponder request
Long Range Function identification
Requestor MMSI and Name
Request for:
- Ship's name, call sign and IMO number (A)
- Date and time of message composition (B)
- Position (C)
- Course over ground (E)
- Speed over ground (F)
- Destination and ETA (I)
- Draught (O)
- Ship / Cargo (P)
- Ship's length, breadth and type (U)
- Number of persons on board (W)
Initial Issue
Page 1–16
Aviation Recorders
Marine Systems
LRI - Long Range Interrogation
LRF - Long Range Function
IEC 61162-1 Sentences
165M0601-00
Feb. 01/05
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