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Humminbird LCR 1000 Operation Manual page 13

Humminbird lcr 1000: user guide

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It plugs into the outlet on the back of the unit marked "Power". The transducer connector is identified
with the letter T and plugs into the outlet on the back of the unit marked "Transducer". Note: An adapter
(AD-4) is available to allow use of an old waterproof (BNC) transducer with the LCR, but be sure that
the transducer is a 16degree. A 32 degree transducer cannot be used.
A 11/8" hole must be drilled to pull through the transducer connector. After drilling the hole, pull the
transducer connector up through the hole. If you are installing two units, both transducer connectors
can be pulled through this 1 1/8" inch hole. Next, push the power cable wires down through the hole. A
hole cover has been provided which will dress and hold the wires. Install the hole cover after
determining the necessary wire length from the hole.
The power cable has a red lead to the positive (+) post and the black lead to the negative (-) post.
Install a 1 amp fuse between the red cable and positive post of your 12-volt battery.
If a fuse panel is available, we recommend wiring the power cable into the fuse panel. Note: The LCR
must be fused separately from any other accessory.
Your Angle-Lock connectors can only be plugged in one way. Position the connector so the letter P or T
can be read and the 90 degree bend is pointed downward. Push the connector in as far as it will go.
Turn the positive locking ring as far as it will go clockwise until you feel it lock. locking ring as far as it
will go clockwise until you feel it lock. Your connector is now locked into place.
Note: For easy access to the connectors, simply loosen the mounting knobs and tilt your LCR forward.
The connectors are now in full view and easy to plug or unplug.
OPERATIONAL INSTRUCTIONS FOR LCR 1000 AUTOMATIC MICROPROCESSOR CONTROL
Thanks to the use of microcomputers, your LCR 1000 is fully automatic It is the simplest depth sounder
ever created, making it easy to learn and interpret readings.
When activated the LCR 1000 will find the bottom, adjust for the proper amount of sensitivity and
advance to the proper depth range automatically to display bottom, fish and structure.
It is suggested that you familiarize yourself with the four control buttons before attempting to operate
your LCR 1000. All controls are activated through the front mounted switch panel.
Power: The Power "On" switch activates the unit. Since the operation is automatic, the unit will find the
bottom by varying the sensitivity and selecting the proper depth range for a satisfactory return. Also, the
display below the bottom is blackened out to make the display easier automatically eliminated by the

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