Ais Receiver Function (Rs40 And Rs40-B); Ais Transmitter Function (Rs40-B) - Simrad RS40 User Manual

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vessel speed or instructions from base stations. The Class B type
standard requires integrated GPS and certain indicators. Class B
equipment receives all types of AIS messages.
• AIS base station
AIS base stations are used by Vessel Traffic Systems to monitor and
control the transmissions of AIS transceivers.
• Aids to Navigation (AtoN) transceiver
AtoNs are transceivers mounted on buoys or other hazards to
shipping which transmit details of their location to the surrounding
vessels.
• AIS receiver
AIS receivers will generally receive transmissions from class A
transceivers, class B transceivers, AtoNs and AIS base stations, but
do not transmit any information about the vessel on which they are
installed.
The RS40 radio contains an AIS receiver only function.
The RS40-B radio contains an AIS Class-B CS transceiver.

AIS receiver function (RS40 and RS40-B)

Providing that other vessels with AIS transceivers installed are within
radio range of your vessel, you should see their details appear on
the AIS plotter screen. These details are also repeated on the NMEA
ports for display on a compatible chartplotter / MFD.
Specific details of how to configure your chartplotter to make use of
the AIS receiver features will be given in your chartplotter manual.
If you are using charting software running on a PC, please refer
to the instructions provided with your chartplotting software for
details of how to configure it to display AIS information.

AIS transmitter function (RS40-B)

The AIS Class-B transmit function requires a separate VHF antenna
to be installed and connected to the AIS antenna socket on the rear
of the radio. See installation details in "Connect the radio wiring" on
page 58.
Once AIS has been configured, it is ready for use. The AIS icon will
change as follows:
: the radio is configured in Class-B mode and is transmitting
your vessels information at a regular period based on AIS Class-B
standards. It may take up to six minutes for your full vessel details to
be visible to others.
AIS menu | RS40/RS40-B User Guide