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6-3
6.4 Transducer Maintenance
When the ship is dry-docked remove marine growth from the transducer with fine sandpaper or
a piece of wood.
CAUTION
Do not paint the transducer face.
Loss of sensitivity will result.
Do not use plastic solvents to clean the
transducer.
They can damage the transducer.
6.5 Fuse Replacement
The fuse in the hull and transceiver units protect them from overvoltage, equipment fault and
reverse polarity of the ship’s mains. If the power cannot be applied first check the power cable
between the transceiver unit and the display unit. If the power still cannot be applied, the fuse in
the transceiver unit may have blown. Have a suitably qualified technician check the fuse.
CAUTION
Use the proper fuse.
Use of a wrong fuse can cause fire or
equipment damage.