The is a desk-type MF/HF radio system with an output power of 150W , designed for Global Maritime Distress and Safety System (GMDSS) compliance. The service and instruction manuals cover everything from technical specifications and installation to detailed troubleshooting for the DSC (Digital Selective Calling) and NBDP (Narrow Band Direct Printing) terminals. Core Specifications
: You can view or download the comprehensive Instruction Manual from the FCC Report database . This covers MMSI ID setup, SSB/DSC operation, distress transmissions, and NBDP terminal usage.
The manual lists critical operational parameters such as the transmission frequency range (1.6~27.5MHz), reception sensitivity (3µV for J3E), and frequency stability (within ±10Hz).
Including an example troubleshooting section could help. Like, if the compressor won't start, check the power supply, fuses, motor, etc. Also, for noise or vibration issues, check loose parts or worn components.
Whether you are chasing a DSC error or bringing a dead transmitter back to life, the remains the definitive authority.