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Equipment & Gear used on our CR Yacht
400DS sailboat
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Item: Interphase Color Twinscope forward looking
Sonar System
The Mad Dogs have equipped the sailboat Mad Dog
Voyager with dual Color Twinscope stations; one
inside at the Navigation Station and one outside in
the cockpit.
The Color Twinscope Forward Looking Sonar by
Interphase operates like an underwater radar. The
color display shows a graphical representation of
what it “sees” underwater, using color to indicate
the strength or solidness of the object reflecting
the sonar signal.
A moving beam, electronically controlled inside of
the underwater transducer, sends a 90 degree arc
sweeping in front of our sailboat or from side to
side. When in Vertical mode, the beam is projected
and sweeps from straight ahead to directly beneath
our boat, displaying an underwater sonar image of
everything that it encounters. This is very useful
for determining the shoaling edge of the shoreline,
locating underwater projections, rocks, etc. We
haven’t found any sunken treasures with it yet, but
we are always hopeful…
In Horizontal mode, the transducer sends a 12 degree
beam sweeping from side to side showing us what it
encounters in a 90 degree sector directly ahead and
to the sides of the boat. Horizontal mode is
excellent for navigation skinny passes, narrows,
etc.
Note: Click on the images on the right for the larger version
Although we have had to send one of the units back
to Interphase for repairs on two occasions and have
sent the other unit back once for repairs, it is an
instrument we would not sail without. The potential
to navigate areas that are poorly charted or have
questionable depths has greatly extended our ability
to explore new and interesting locations that would
have otherwise been unreachable.
Photos of our Interphase forward looking sonar in action;
Follow this link to page 1 or
follow this link to page 2
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Product review:
Very useful item for us
Pros:
Easy to use
Cons:
 Our
rating:
*****
Download free instructions
manual for this
product:
Download available soon |
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