Manuals
HDX-121, HDX-121bb Plotter/Sounder Manual 2019 version
HE-881 HE-881 Sounder Manual
HE-7300di, HE-775di, HE-1500di HE-7300di, HE-775di, HE-1500di Sounder Manual
HE-773 mkIII DI Sonar Manual
HE-773 Autohoist Installation Manual
HowTos
HE-773 mkIII DI Video: Overview and initial setup
HDX-121 Marking Fish Video: Plotter marks for fish on the sounder
HDX-121 USB backup Video: HDX-121 saving and restoring settings configuration to USB memory stick
HDX-121 and TZPRO hardness Instructions for configuring HDX-121 and Time Zero Professional for bottom hardness recording
GPS Compatibility Which Hondex work with which GPS antennas?