1000ft
600ft
400ft
200ft
120ft
60ft
30ft
15ft
Basic ranges (default)
3.Press the [MENU/ESC] key to close the window.
Shifting the range
The basic range may be shifted up or down in the manual mode as follows:
Window can be shifted up and down to select the depth.
Adjusting the gain
The [GAIN] key adjusts the sensitivity of the receiver. Generally, use a higher gain setting for greater depths and a lower setting for shallower waters.
CAUTION
Use the proper gain setting.
Incorrect gain may produce wrong depth indication, possibly resulting in a dangerous situation.
Gain too high Gain proper Gain too low
Examples of proper and improper gain
1.Press the [GAIN] key and the display shown below appears.
Display
Range and display shift concept
1.Press the [MENU/ESC] key to open the main menu.
2.Choose SHIFT from page 1 of the menu.
3.Press ► to open the shift options window.
0ft
Shift window
4.Use ▲ or ▼ to choose amount of shift desired.
5.Press the [MENU/ESC] key to close the window.
Note: The picture may not be displayed if the amount of shift is greater than actual depth.
GAIN
Min Max 
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Gain adjustment window
2.When using the dual frequency display, press ▲ or ▼ to choose frequency.
3.Press the [GAIN] key to set. (You may also use ◄ or ►.) Adjust so that a slight amount of noise remains on the screen.
4.Press the [MENU/ESC] key to close the gain adjustment window.
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