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USING THE LCR
OPERATIONAL INSTRUCTIONS
Also, in the manual mode everything below the bottom is no longer blacked out, therefore a second return or double echo can be displayed if desired. (See figure 15). Also, the hardness of the bottom can be determined by the thickness of the bottom return. For example, a hard or rock bottom will give a wider bottom return as compared to a soft or muddy bottom. (See Figure 16).
You should also note that it's possible to have the sensitivity set too high such that reflection off of suspended matter or air bubbles will begin to blackout the display.
5.Zoom and Bottom Lock: You will find the Zoom feature of the LCR to be a very valuable tool. The zoom Range is controlled by the Range Up or Range Down buttons. Each time one of these buttons is depressed the zoom region will move one division If the button is held down the region will continue to move as long as the button is held down.
The zoom region is indicated by the wide group of bars at the right side of the display. On the
What Zoom Does
The zoom feature on the LCR will allow you to look at underwater readings in very fine detail, and with the LCR's Total Screen Update you have the capability to zoom in on bottom, fish and structure, even after you have gone over the area.
How To Use Zoom
First position the Zoom Region (See Figure 17) next to the area that you want to expand by pressing the Range up or down button. Next, by pressing the Zoom button the zoom will be activated. You will notice that the