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Section E
Page 9
Horizon & Sundowner
Owner’s Manual
06/00
Figure E15: Negative Keel Offset
For depth measurements from the waterline, accurately
measure the vertical distance from the face of the trans-
ducer and the waterline of the boat. This measure-
ment will then be entered into the Keel Offset function
as a positive (+) number. See Figure E16.
Figure E16: Positive Keel Offset
To Enable Keel Offset press SET until the KO icon is
displayed on the screen. The default setting of the unit
is off which is displayed as zero. From the default set-
ting of 0.0, use the DOWN arrow to enter the negative
(-) number to set the unit for depth from the keel. Or,
from the default setting of 0.0, use the UP arrow to
enter the positive (+) number to set the unit for depth
from the waterline.
The available settings are +10 to -10 feet. After your
selection is made, the unit will return to normal opera-
tion after 5 seconds. The “KO” icon should now be
visible as shown in Figure E17.
Figure E17: Keel Offset Icon
Figure E18 depicts a scenario where the KEEL OFF-
SET has been set to -2 feet. The last drawing shows
the return to normal operation with the updated depth
readout.
4. Units
The UNITS Control Function selects the UNITS of mea-
sure for depth readout and alarm functions. The three
settings available are Feet, Meters or Fathoms. See
Figure E13.
Figure E13: Units Control Function
Press SET until the units function is activated on-screen.
This is indicated by the blinking UNITS icon. Pressing
either arrow will allow you to select from the choices.
Continue to press an arrow until the desired readout is
selected: FT for feet, M for meters, or FA for fathoms.
After your selection is made, the unit will return to nor-
mal operation after 5 seconds. The selected units icon
should now be visible as shown in Figure E14.
Figure E14: Selected Units Icon
5. Keel Offset
The Keel Offset function adjusts the digital depth read-
out to display depth reading from either the waterline
or the keel (lowest point) of the boat, instead of from
the location of the transducer which is usually some-
where in between. This permits optimum transducer
location and depth readouts suited to your needs.
To determine the value to enter into the KEEL OFFSET
setting, first decide whether depth from the waterline
or depth from the keel is desired. Measurements will
need to be made for the location desired .
For depth from the keel of the boat, accurately mea-
sure the vertical distance between the face of the trans-
ducer and the keel of the boat. This measurement will
then be entered into the Keel Offset function as a nega-
tive (-) number. See Figure E15.