@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:member . skos:related . skos:narrower . skos:altLabel "Raymarine V820" , "Raymarine V820"@en ; skos:broader , ; skos:definition "The Raytheon Raymarine V820 echosounder has an 8 inch color display providing a graph display of bottom underwater activity, vessel's speed, water temperature, trip log, and digital bottom depth. The device has a 200kHz/50kHz transducer"@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0771" ; skos:note "accepted"@en ; skos:prefLabel "Raytheon Raymarine V820 singlebeam echosounder"@en ; skos:related . skos:narrower . skos:narrower . skos:related . skos:narrower .