71 
 
Several satellites have been pre-programmed into the software. In the future more 
satellites may exist, or their properties may change. In this case it is necessary to select 
Use advanced settings to set the satellite’s Frequency and Baud rate. 
CAN 
Adjustment: click … button to open properties window. 
RT systems can be configured to send and receive data via a CAN bus. This allows RT 
data to be sent to external logging devices, and signals from a test vehicle’s CAN bus to 
be logged alongside navigation data inside an RT. 
By default, CAN communication is disabled. It is enabled by selecting an option from 
the drop-down list for CAN baud rate on the General tab of the properties window, 
shown in Figure 29. 
Figure 29. NAVconfig CAN messages configuration window - General 
 
 
Depending on the baud rate selected, the suggested maximum CAN messages per second 
will change. A warning message will appear if the combined rate of all current navigation 
and status messages will overload the CAN bus at the selected baud rate. Disabling or