This is a 406MHz satellite emergency positioning radio beacon that can send an emergency distress signal. It is produced by Mitsubishi Electric.
This manual provides operating instructions for the JRC JQE-103 406MHz Satellite Emergency Position Indicating Radio Beacon (EPIRB). It details the device's purpose for mariners in distress to transmit emergency locating signals to satellites. The document includes critical safety warnings regarding false distress alerts, proper installation on automatic release brackets, and handling of the hydraulic pressure sensor and battery.
The unit must be dropped from a height of 20 meters or less to avoid damage.
The unit must be installed at least 2 meters away from a compass to prevent magnetic interference.
The selector switch must be set to the READY position while sailing.