DSC and TX Warning Messages in proAIS2
In the proAIS2 Diagnostics page, you will often see DSC and TX Attempt failed warnings displayed. These warnings are referring to normal AIS transponder behaviour and here is some more info on these messages… The RX 1 / RX 2 DSC start / Stop message is a completely normal message, indicating when one of the AIS receivers has started/stopped a DSC channel management listening period. Class B equipment is required to listen to channel 70 periodically (at specific times defined in the standards) for DSC channel management commands. As Class B lacks the third receiver necessary to do this full time it is achieved by occasionally switchingRead More →