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Volume
Settings: "High", "Medium", "Low"
Volume setting allows you to adjust the Alarm
Volume so that you can select the tone that you
can hear best.
Keel Offset
Settings:"Off", "-9ft" to "+9ft" ("-3m" to
"+3m")
Keel Offset will adjust the digital depth readout
to indicate depth from the waterline or boat's
keel.
Enter a positive vertical measurement from the
transducer to the waterline to read the depth
from the waterline. Enter a negative vertical
measurement from the transducer to keel to
read the depth from the keel.
Sonar Chart Mode
Settings: "White Background ", "Blue
Background", "Gray Scale"