Press and hold the
M Mode
Button
Deep alarm - Alarm sounds when water depth equals or is greater than set value.
The display will show “d XX.X”, which is the current setting for the deep alarm. Pressing the “Up“ or “Down” buttons will
Down | Up |
Button | Button |
change the deep setting. Press and hold the 
to save the new deep setting and change the display back to the normal depth mode. To disable the alarm, set the reading to “d 0.0”.
M Mode
Button
Keel offset - Adjust depth sounder to measure depth below keel instead of sensor.
The display will show “K X.X” which is the current setting for the keel offset. Pressing the “Up” or “Down” buttons will change the keel offset setting. Press and hold the
Down | Up |
Button | Button |
M Mode
Button
If a keel offset is entered, all depth soundings will subtract the offset from the sensor measured value. The display will show the depth of water below the keel, not the surface. Likewise, the shallow and deep alarms will automatically be measured from the keel, not the surface.
Units - Change the unit of measure.
The display will show “UNIT FT” for feet, “UNIT FA” for fathoms, or “UNIT M” for meters. Pressing the “Up” or “Down” buttons will cycle through the choices.
Down | Up |
Button | Button |
Pressing and holding the
M Mode
Button
Speedometer Calibration
The analog speedometer displays the speed of the boat through water. The speedometer is calibrated at the factory for normal installations which use a Faria paddle wheel sensor. As significant variation has been found in paddle wheel installations, the speedometer can be easily field calibrated to a known reference such as a radar gun or GPS. When the unit is operating in normal mode (i.e. depth sounder), a quick push on the
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