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Humminbird LCR 1000 Operation Manual page 3

Humminbird lcr 1000: user guide

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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.
The reading at the far right hand position of the display illustrates that which is being passed over at
that time. If you are familiar with a flasher unit, you might think of the information coming on the right
side of the screen as the information that would be seen at one instant on a flasher. However, unlike a
flasher, this information is not lost but is shifted or moved to the left as new information comes on.
Therefore, the information is retained until it disappears from the left hand position of the display.
The display used on the LCR is a Liquid Crystal Display. The material in the display is a liquid that can
be aligned such that it either "blocks" light or it lets light pass through. This "blocking" of light is what
makes the black dots on the screen.
Since the LCR's display depends on light passing through it to make the images, increasing the light
source will make it easier to use. This is why your LCR can be seen so well in direct sunlight. You will
also notice that the display can be seen better at certain angles. The LCR mounting has been designed
for tilting and pivoting so that you can easily maintain a good angle for viewing. Another characteristic of
an LCD display is that you may find that some polarized glasses might affect the view by causing a
rainbow prism to appear. This condition can possibly be improved by a slight adjustment in tilt.
The high visibility readout of the LCR allows you to see fish, bottom contour and underwater structure.
The LCR is designed to operate with a standard 16-degree transducer included with the unit. Other
transducers, such as 32 degrees, cannot be used. In order for your LCR to operate well at high speeds,
you must have a properly mounted transducer. Please read the transducer mounting procedure
carefully.
TRANSDUCER MOUNTING PROCEDURE
Humminbird's high-speed transducer is supplied with your LCR. This transducer has been designed to
give good high speed readings on most all boat designs, including aluminum.
Please carefully consider the following before installing your transducer.

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