User manual for FURUNO ETR-30N network sounder, covering safety, installation, wiring, operation, and maintenance.
This manual provides detailed instructions for installing, wiring, and operating the FURUNO ETR-30N Network Sounder. It includes safety warnings, equipment lists, transducer compatibility, and setup procedures. Maintenance and troubleshooting guidance are also provided. The device supports dual-frequency transmission and can be configured for single or multiple network sounder setups using a hub.
| Transmit Method | Dual frequencies transmitting |
|---|---|
| Output Power | 1/2/3 kWrms, selectable |
| Frequency | 28.8-200 kHz, automatic synthesizer |
| Gain | 0 dB µV, S/N 10 dB or more |
| Amplifier | Double super linear amplifier |
| Dynamic Range | 100 dB or more |
| Band Width | 0.2-5 kHz, variable |
| Network Protocol | Ethernet 10 base-T |
| Power Supply (Transceiver Unit) | 12-24 VDC: 2.5-1.25 A (TX), 30 VA max. |
| Power Supply (Rectifier) | 100/110/115/220/230 VAC, 1 phase, 50/60Hz |
| Ambient Temperature | -15°C to +55°C |
| Relative Humidity | 95% at 40°C |
| Waterproof Rating | IPX0 |
| Vibration | IEC 60945 |
| Coating Color | 2.5GY5/1.5 |
The frequency range is 28.8-200 kHz, with automatic synthesizer.
The transceiver unit accepts 12-24 VDC, and an optional rectifier (PR-62) accepts 100/110/115/220/230 VAC, 1 phase, 50/60Hz.
The ambient temperature range is -15°C to +55°C.