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Maintenance
Maintenance
Your Humminbird fishfinder is designed to provide years of trouble free operation with very little
maintenance. Use the following procedures to ensure your Humminbird continues to deliver top
performance.
Control Head Maintenance
It is important to consider the following precautions when using your Humminbird control head:
• Chemicals, such as those found in bug spray and sunscreen, may cause permanent
damage to the control head screen. Such damage is not covered by the warranty.
• NEVER leave the control head in a closed car or trunk. The high temperatures generated
in hot weather can damage the electronics.
Use the following information to keep the control head and screen clean.
•
Screen:
To clean the control head screen, use a mild soap (such as a non-abrasive liquid
hand soap) and warm water. Wipe the screen dry with a soft cloth. Be careful to avoid
scratching the screen. If water spots remain, use a solution of water and vinegar.
WARNING! Do not use a chemical glass cleaner on the screen
. Chemicals in the solution may cause
cracking in the lens of the unit.
NOTE:
Do not wipe the screen while dirt or grease is on the screen.
•
Control Head:
If the control head comes into contact with salt spray, wipe the affected
surfaces with a cloth dampened with fresh water.
Transducer Maintenance
Use the following information to maintain the transducer operation.
• If your boat remains in the water for long periods of time, algae and other marine growth
can reduce the effectiveness of the transducer. Periodically clean the face of the
transducer with a mild, marine-safe and plastic-safe soap or solution.
NOTE:
To clean the transducer, you may need to pivot the transducer up in the bracket.
• If your boat remains out of the water for a long period of time, it may take some time to
wet the transducer when it is returned to the water. Small air bubbles can climb to the
surface of the transducer and interfere with proper operation. These bubbles dissipate
with time, or you can wipe the face of the transducer with your fingers after the transducer
is in the water.
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