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OPERATIONAL INSTRUCTIONS FOR LCR 8000 and LCR 8000D
The Humminbird LCR 8000 or 8000D will operate fully automatic or manual at the discretion of
the operator. At the heart of the LCR are 3 microcomputers which are making thousands of
decisions every second. With the LCR's automatic features you will quickly and easily learn the
basics of operating your unit and after a couple of trips on the water you'll be operating the LCR
like an expert. It is suggested that you familiarize yourself with each of the features and controls
prior to operating your LCR.
1. Power. To activate the unit, depress the Power "On" switch. The LCR always comes on
in the automatic mode. In the automatic mode, 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 blacked out to make the display easier to read.
To turn the unit off, depress the Power "Off" switch.
2. Light: Depress the light "On/Off" switch to activate the display light for night or low light
conditions. The light is turned off again depressing the "On/Off" switch.
When using the night light you will notice that the viewing angle, or best viewing position
is different than during daylight operation. Tilt the unit back until you find the best angle
for night viewing.
3. Set: The LCR has two Set buttons labeled A_ (increase) and * (decrease). These buttons
are used to change five functions: