
Now press the left arrow key to change the upper limit or the right arrow key to change the lower limit. A screen similar to the one below appears.
In this example, we're setting the upper limit. Use the up and down arrow keys to select the number, the right and left arrow keys to move to the next number. When the limit shows the desired depth, press the ENT key. The screen shown below appears.
As you can see, the upper limit has changed from 0 to 35 feet. If you want to change the lower limit, repeat the above steps, press the right arrow key on the "Set Chart Limits" menu, and change the lower limit to the desired value.
ZOOM
“Zooming” the picture is a common method
used to enlarge small detail and fish signals. The
ZOOM - AUTOMATIC MODE
The only way to zoom the screen in automatic mode is to simply press the ZIN
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