JT/T 680.3-2007 Technical requirement for the installation,operation,maintenance and repair of marine navigation equipment Part 3: Echo sounder (English Version)
This part specifies the technical requirements for the installation, use, maintenance and repair of echo sounders (hereinafter referred to as the sounders). This section applies to the scope specified in JT/T 680.1.
JT/T 680.3-2007 Referenced Document
JT/T 680.1 Technical requirements for installation, use, maintenance and repair of marine communication and navigation equipment Part 1: General principles*, 2017-01-01 Update
JT/T 680.3-2007 history
2007JT/T 680.3-2007 Technical requirement for the installation,operation,maintenance and repair of marine navigation equipment Part 3: Echo sounder