Humminbird 531427-1_D Operation Manual page 2

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WARNING! This device should not be used as a navigational aid to prevent collision, grounding,
boat damage, or personal injury. When the boat is moving, water depth may change too quickly
to allow time for you to react. Always operate the boat at very slow speeds if you suspect shallow
water or submerged objects.
WARNING! Disassembly and repair of this electronic unit should only be performed by
authorized service personnel. Any modification of the serial number or attempt to repair the
original equipment or accessories by unauthorized individuals will void the warranty. Handling
and/or opening this unit may result in exposure to lead, in the form of solder.
WARNING! This product contains lead, a chemical known to the state of California to cause
cancer, birth defects and other reproductive harm.