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USING THE LCR
INTRODUCTION
Before attempting to install or operate your Humminbird LCR, it is recommended that you read the operations manual thoroughly. The
INTRODUCTION
Congratulations on selecting the
Since there are virtually no moving parts, your LCR will function more trouble free than any sonar unit you have ever owned. This unit has been engineered, tested, manufactured, and is guaranteed by the employee/owners of Techsonic Industries, located on the shores of Lake Eufaula, Alabama.
Fishing, boating, and depth sounders are our business, and at Humminbird we stand behind our product 100%.
Your new LCR is covered by our Lifetime Guaranteed Service policy. We wish you good luck, good fishing, and many hours of pleasure with your new Humminbird LCR.
THEORY OF OPERATION
Your Humminbird LCR works on the basic principals of sonar. An electronic signal is generated within the control head of the unit. When coupled to the transducer, this signal is converted to an ultrasonic signal and is transmitted toward the bottom. The speed of the ultrasonic signal traveling through the waters is approximately 4800 feet per second.
The signal travels through the water until it strikes an object or the bottom. At this instant it is reflected back, picked up by the transducer, reconverted to an electronic signal and is recorded on the display of the LCR.
