range that’s highlighted. The range numbers that are gray cannot be se- lected. When you’re finished, press the EXIT key to erase the menu.
RANGE - Manual
You have complete control over the range when the unit is in the manual mode.
To change the range, first turn the automatic depth range off by pressing the MENU key, then selecting “Auto Depth Range”, then press the ENT key to turn it off. Next, select “Depth Range”. Press the up or down arrow keys to select a different range. The available ranges are
NOTE: The sonar’s depth capability depends on the transducer installa- tion, water and bottom conditions, and other factors.
RANGE - Upper and Lower Limits
Virtually any segment of the water can be displayed by using the upper and lower limit feature. This lets you pick the shallow and deep range limits that are shown on the screen, provided there is at least ten feet between the upper and lower limit. For example, a range from 12 feet to 34 feet.
To change the upper and lower limits, press the MENU key, then select “Upper and Lower Limits”. A screen similar to the one at right appears. Upper Limit is high- lighted. To select it, press the ENT key. To select the lower limit, press the down arrow key to high- light it, then press the ENT key. Once a limit window is selected, the range inside the window
changes to zeros. Use the arrow keys to both select and change the num- bers in the window. Press the ENT key to accept the change. Press the EXIT key when you’re finished. The Upper and Lower Limit menu erases and the unit begins scrolling echoes across the screen using the new range values.
Changing the upper and lower limits gives you far greater control over the range. This feature lets you “zoom” the display in virtually unlimited com- binations. Virtually any segment of the water, from the surface to the bot-
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