This is a manual for NETWORK FISH FINDER DFF1-UHD OPERATOR'S MANUAL
The FURUNO DFF1-UHD is a dual frequency echo sounder designed to feed data about underwater conditions via a LAN connection. It supports high definition images with TruEcho CHIRP technology and features noise suppression for enhanced detection performance.
This document covers the complete operation of the device, including system configuration with NavNet displays (MFD8/12/BB, TZT9/14/BB, etc.), detailed installation procedures for transducers and sensors, wiring diagrams, initial settings such as DIP switches, and maintenance guidelines.
The DFF1-UHD is a dual frequency echo sounder designed for use with specific NavNet systems.
You must use this feature where the depth is between 2 and 200 m.
You must use it at depths between 5 and 200 m with a speed of 10 knots or less.