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MN002000A © 2004 Navman NZ Ltd. All rights reserved. Proprietary information and specifications subject to change without notice.
Message ID: 1212
Rate: as required (maximum rate 1 Hz)
Message length: 8 words
Word No. Name Type Units Range Resolution
1-4 Message header
5 Header checksum
6 Sequence number (Note 1) I 0 to 32 767
7 Elevation mask angle UI rad 0 to ±�/2 10
-3
8 Data checksum
Note 1: The sequence number is a count that indicates whether the data in a particular binary message has been updated or
changed since the last message input.
Table 3-26 Message 1212 (satellite elevation mask control)
Message ID: 1213
Rate: as required (maximum rate 1 Hz)
Message length: 10 words
Word No. Name Type Units Range
1-4 Message header
5 Header checksum
6 Sequence number (Note 1) I 0 to 32767
7.0 Satellite PRN #1 Bit 1 = included
•
•
•
7.15 Satellite PRN #16 Bit 1 = included
8.0 Satellite PRN #17 Bit 1 = included
•
•
•
8.15 Satellite PRN #32 Bit 1 = included
9.0 Non-volatile storage select Bit
1 = store in non-volatile
memory
9.1-9.15 Reserved
10 Data checksum
Note 1: The sequence number is a count that indicates whether the data in a particular binary message has been updated or
changed since the last message input.
Table 3-27 Message 1213 (satellite candidate select)
3.5.2.4 Message 1212 (satellite elevation mask
control).
This message allows the user to set the elevation
mask angle used by the receiver to select visible
satellites. Storage of the Elevation Mask Angle
parameter requires EEPROM. The contents of
the ‘satellite elevation mask control’ message are
described in Table 3-26.
3.5.2.5 Message 1213 (satellite candidate select).
This message allows the user to construct the list
of satellites which will be considered for selection
by the receiver. The contents of the ‘satellite
candidate select’ message are described in
Table 3-27.