®
6.10.1.2Instance Temperature
The Data Instance of the Temperature (as sent in PGNs 130310, 130311, and 130312) is set in this field. Use the Increase and Decrease buttons to select the correct instance number, and the press the Enter button to store it.
6.10.1.3Installation Description
This entry allows you to modify the NMEA 2000 installation description text strings. You can enter any information you like here, such as the date the unit was installed, or the location in which it was installed, for later reference. Tools such as Maretron N2KAnalyzer allow you to view these values later.See section 3.3.4 for details on how to enter a textual value.
6.10.1.4NMEA2000 PGN Enable/Disable
The DST110 transmits several different NMEA2000 PGN’s which can be turned on or turned off by the DSM250 display. Pressing the Enter key with “NMEA2000 PGN Enable/Disable…” menu item selected causes the DSM250 to display the following screen.
Figure 82 - DST110 NMEA 2000® PGN Enable/Disable Screen
You can enable or disable the transmission of the these messages, or set the frequency of transmission of the message by pressing the Enter key ( 
) on the message to be configured. Options are:
•Off – The message will not be transmitted
•On – The message will be transmitted at its default NMEA 2000® rate.
Select the required option using the Scroll Up and Scroll Down keys followed by the Enter key.
6.10.2Clear Speed Calibration
The Clear Speed Calibration configuration parameter shows you the currently used correction factor. All measured STW readings are multiplied by this number before being transmitted over the NMEA 2000® network. You can remove the correction factor by pressing the Enter key ( 
) with the “Clear Speed Calibration:” menu item selected. And then choose “Clear” using Scroll Up ( 
) or Scroll Down ( 
) keys followed by the Enter key ( 
). This changes the correction factor back to 1
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