User Guide

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1-YEAR LIMITED WARRANTY
We warrant the original retail purchaser that products made by Humminbird® have been
manufactured free from defects in materials and workmanship. This warranty is effective for one
year from the date of original retail purchase. Humminbird® products found to be defective and
covered by this warranty will be replaced or repaired free of charge at Humminbird® option and
returned to the customer freight prepaid. Humminbird® sole responsibility under this warranty is
limited to the repair or replacement of a product that has been deemed defective by
Humminbird®. Humminbird® is not responsible for charges connected with the removal of such
product or reinstallation of replaced or repaired parts.
This warranty does not apply to a product that has been:
• Improperly installed;
• Used in an installation other than that recommended in the product installation and
operation instructions;
• Damaged or has failed because of an accident or abnormal operation;
• Repaired or modified by entities other than Humminbird®.
Please retain your original receipt as a proof of the purchase date. This will be required for in-
warranty service.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES, OBLIGATIONS OR
LIABILITIES ON THE PART OF HUMMINBIRD® AND WILL BE THE CUSTOMER'S EXCLUSIVE
REMEDY, EXCEPT FOR ANY APPLICABLE IMPLIED WARRANTIES UNDER STATE LAW WHICH ARE
HEREBY LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL PURCHASE. IN NO
EVENT WILL HUMMINBIRD® BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES
FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY RELATING TO THE PRODUCTS.
Some states do not allow limitations on an implied warranty, or the exclusion of incidental or
consequential damages, so the above exclusions may not apply to you. You may also have other
rights, which vary from state to state.
HUMMINBIRD® SERVICE POLICY
Even though you'll probably never need to take advantage of our incredible service policy, it's good
to know that we back our products this confidently. We do it because you deserve the best. We
will make every effort to repair your unit within three business days from the receipt of your unit
at our factory. This does not include shipping time to and from our factory. Units received on Friday
are typically shipped by the following Wednesday, units received Monday are typically shipped by
Thursday, etc.
All repair work is performed by factory-trained technicians to meet exacting factory specifications.
Factory-serviced units go through the same rigorous testing and quality control inspections as
new production units.
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HDR 610 Doesn't Power Up
If your HDR 610 doesn't power up, refer to the Installation section, and make sure that:
• the power cable is properly connected to the HDR 610;
• the power cable is wired correctly, with red to positive battery terminal and black to
negative terminal or ground;
• the fuse is operational; a fuse can often appear to be good when in fact it is not; check
the fuse with a tester or replace it with a known good fuse;
• if the unit is wired through a fuse panel, make sure that the panel is powered, as
accessory fuse panels are often controlled by a separate switch, or even the ignition
switch of the boat;
• the battery voltage of the power connector is between 10 and 16 VDC.
Correct any known problems, including removing corrosion from the battery terminals or wiring,
or actually replacing the battery if necessary.
No Bottom Reading on the Display
If there is no bottom reading visible on the display, there are a number of possible causes for this
condition, including:
• if the loss of bottom information occurs only at high boat speeds, then a transducer
adjustment may be needed (refer to the Transducer Installation section);
• check the transducer cable connection on the back of the HDR 610 and make sure that
the cable to the transducer has not been cut or pinched, as even a small abrasion in the
cable can affect performance significantly.
Correct any known problems, including adjusting the transducer, or actually replacing the
transducer cable if necessary.
No Continuous Depth Display in Very Shallow Water
Losing continuous depth when the boat is in very shallow water is normal, because the automatic
range control cannot lock onto the bottom in depths of one foot or less.
Screen Fades, Images Are Not Sharp
If the screen begins to fade, and images are not as sharp as normal, check the input voltage. The
HDR 610 will not operate on input voltages below 10 VDC.
Bottom Reading Disappears During a Hard Turn
Losing the bottom reading temporarily when the boat is executing a hard turn is normal, as the
transducer emerges from the water during such a turn; this condition should correct itself once
the turn is completed.
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