Service manual

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14
AIS Monitoring System
Testing the AIS Transmitter
Local Testing of the Remote AIS (Requires an appropriate AIS Receiver with an RS-232/USB output
and a PC connected to the receiver data output.
Do not place the AIS transmitter and receiver too close together. If this is not practical, use 50-Ohm
dummy antenna’s.
The AIS unit needs to be powered up and located outside to pick up the GPS signals required. The
unit will NOT operate if there is no GPS signal.
• Connect the AIS unit to a PC or Laptop as above.
• Select the required Com Port - Baud Rate = 38400.
• Power the AIS and Sealite SL125 ON.
A graph similar to that shown below will begin to appear on the main screen window as shown below.
Clicking on each “DOT” on the screen will display the relevant message data.
The AIS unit transmits Message 21, Message 6 and Message 8.
Transmission intervals are ultimately determined by the appropriate MMSI number allocated to each
unit.
For additional information refer to the Telecbeacon- S manual.
Message 21
Data
Message 6
Data
(SL125 Beacon)