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reducing the frequency of navigation or status messages will remove the warning and
ensure reliable operation of the CAN bus. Increasing the baud also works, but the baud
rate must be common to all devices on the bus. When using an RT-ANA, the default
baud rate is 1 MBaud.
The Save DBC file button generates a CAN DBC library listing all navigation and status
messages that are enabled (not greyed-out). The DBC file does not include channels
defined under the acquisition tab. The navigation status message binary format is
described from Table 37 onwards on page 106. The status message binary format is the
same as the NCOM status message binary format as described in the NCOM Description
manual. Those status messages that do not have signals listed against them are not
described at the signal level in the DBC file. The binary format of these messages is quite
complex and as such the DBC file it not sufficient to describe the decoding process.
The Navigation tab (Figure 30) is where navigation-related CAN messages are
configured for output. The table can be sorted in ascending or descending order by
clicking any column header. This is particularly useful when checking for
enabled/disabled messages.
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