User's Manual

Configuring the AtoN Express
Page 13
4.3 Basic configuration
All basic configuration is presented on the proAtoN Express configuration tab as shown in Figure 6. This tab permits configuration of the
following information:
•AtoN name
Enter the AtoN name or other identification.
• MMSI number
Enter the AIS AtoN’s 9 digit MMSI number.
• AtoN type
Select the most appropriate AtoN type from the drop down list.
• Type of EPFS
The EPFS used by the AtoN can be set to either Autonomous (uses the GNSS fix) or Surveyed (uses the nominal position entered).
For surveyed positions the accuracy of the measurements (less than or greater than 10m) can be added.
• Nominal Position
The charted (or intended) location of the structure being marked.
• Off Position Threshold.
The distance (m) by which the AtoN my vary from its nominal position before it reports being off position.
• RACON Fitted.
Allows the setting of the racon fitted flag in the message #21 to indicated that a radar beacon is also available at the reported loca-
tion.
• Message Schedule
The start slot, interval between messages and start UTC for both channels A and B can be configured for the message #21.
• AtoN’s dimensions
Enter the AtoN dimensions, referenced to the location of the AtoN Express, to the nearest whole metre.
• Configuration of AIS operating frequencies
Select the required operating VHF frequencies for transmissions. The default channels are Channel A = 161.975MHz and Channel
B = 162.025MHz. The default channels are intenationally reserved for AIS and should not normally be adjusted. For specific applica-
tions the frequencies can be adjusted, but it is critical that they match the configuration of any receiving equipment.
To copy the configuration to the AtoN Express click the send icon. Existing configurations can be retrieved from the AtoN Express using
the retrieve icon.