Garmin Echomap UHD 73sv Fishfinder US LakeVu g3 w/GT56 XDCR Black 010-02519-01. Specifications for Garmin Echomap UHD 73sv Fishfinder w/GT56 Transducer: Manufacturer: Garmin Screen Size: 7 in Color: Black Features of Garmin Echomap UHD 73sv Fishfinder...