No obstacle should be in the fore direction since it causes a shadow zone and aerated water, resulting in poor sonar performance.

The physical distance between the hull unit and the transceiver unit should be no more than 5 m.

The space shown in the figure on the next page is required around the hull unit for wiring and maintenance.

If the ambient temperature around the unit will be below 0°C, provide the sonar compartment with a heater to keep the temperature above 0°C.

1300 650

650 650

Maintenance space, example sonar compartment

Note: After mounting the equipment, install anti-vibration stays, referring to page 1-7.

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Furuno FSV-30S installation manual Maintenance space, example sonar compartment