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DSM250 User’s Manual
Page 30 Revision 1.4.16a
5.2.4.1.2 Primary Device Selection
Not all the data displayed by the DSM250 can be taken directly off the NMEA 2000 bus. Some
require calculations with other parameters before the desired value can be displayed. An example
would be the display of ground relative wind. In this case, the wind measured by the weather station
needs to be combined with the vessel heading, course over ground, and speed over ground.
The instance number of the weather station is specified for each control.
This table provides the instance numbers of the other parameters used in the calculations.
Figure 15 – DSM250 Primary Device Selection
5.2.4.1.3 Refresh Network Information
The Device Configuration (5.2.3.1) and Device Selection (5.2.3.2) menus display a list of devices that
have been detected on the NMEA2000 bus. This list is kept in memory permanently to reduce the
overhead of requesting device information each time one of these pages is requested.
Pressing the Enter key while this selection is highlighted will clear the list of devices. It will be
necessary to perform this action to remove traces of devices that have been removed from the bus.
5.2.4.1.4 Restore Factory Defaults
This option restores al
l settings on the DSM100 device to their factory default state.
5.2.4.2 Advanced Information
The Advanced Information Page displays information pertaining to the permanent setup and
configuration of the DSM250.