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4.1.3 Cleaning
Keep the equipment clean and dry at all times. Dust or loose dirt should be wiped off with a soft,
dry cloth. Do not use chemical cleaners to clean the display unit-they can remove paint or
markings.
4.1.4 Maintenance of the transducer
Marine life on the transducer face will result in gradual decrease in the sensitivity. Check the
transducer face for cleanliness each time the boat is hauled out of the water. Carefully remove
any marine life with a piece of wood or fine sandpaper.
4-2