3.4 Interface NMEA Description:3.4.1 Sensor - Interface CH1, CH2, CH3Refer to Chapter 3.8 for detailed information on Sensor - Interface and Configuration.3.4.2 ECDIS – Presentation Interface CH 4Sentence Formatters Direction Used FieldsABK UAIS Addressed and binary broadcast acknowledgement outAll fields are providedfor Input and Output.For further informationplease refer toIEC 61993-2 / NMEA0183 HS V3.0 fordetailed fieldinformation.ACA AIS Channel assignment message in / outACK Acknowledge Alarm inAIR UAIS Interrogation Request inALR Set Alarm State outABM UAIS Addressed binary and safety related message inBBM UAIS Broadcast Binary Message inDSC Digital Selective Calling Information outDSE Expanded Digital Selective Calling outDSI DSC Transponder Initialize outDSR DSC Transponder Response outLRI UAIS Long-Range Interrogation outLRF UAIS Long-Range Function outSSD Station Static Data inTXT Text Transmission outVSD Voyage Static Data inVDM UAIS VHF Data-link Message outVDO UAIS VHF Data-link Own-vessel report out8Y1-03-0212H
