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FOREWORD
A Word to DD-80 Owners
Congratulations on your choice of the
FURUNO DD-80 dual differential GPS navi-
gation system. We are confident you will see
why the FURUNO name has become synony-
mous with quality and reliability.
For over 50 years FURUNO Electric Com-
pany has enjoyed an enviable reputation for
innovative and dependable marine electron-
ics equipment. This dedication to excellence
is furthered by our extensive global network
of agents and dealers.
This equipment is designed and constructed
to meet the rigorous demands of the marine
environment. However, no machine can per-
form its intended function unless operated and
maintained properly. Please carefully read and
follow the recommended procedures for op-
eration and maintenance.
We would appreciate hearing from you, the
end-user, about whether we are achieving our
purposes.
Thank you for considering and purchasing
FURUNO equipment.
Features
The DD-80 consists of two dual differential
GPS navigator systems and an interface unit.
Each GPS navigator consists of a display unit
combining a GPS receiver, beacon receiver
and video plotter, a GPS antenna and a bea-
con antenna. The interface unit functions to
exchange data between the GPS navigators
and external equipment. A high sensitivity
receiver tracks up to eight satellites simulta-
neously. An 8-state Kalman filter ensures op-
timum accuracy in determination of vessel
position, course and speed.
The main features of the DD-80 are
• Comprehensive navigation data displays
• Storage for 999 waypoints and 30 routes
• Alarms: Arrival, Anchor Watch, Cross-
track Error, Speed, Water Temperature,
Depth, and Trip
• Man overboard feature records latitude and
longitude coordinates at time of man over-
board and provides continuous updates of
range and bearing to that point
• Menu-driven operation
• Bright 122 x 92 mm LCD with tempera-
ture compensated tone and brilliance ad-
justment
• Power consumption is a low 10 W per navi-
gator.
• Connection of autopilot (option) – steer-
ing data output to autopilot
• Digital display of water temperature and
depth with connection of video sounder
having IEC 61162-1/NMEA input
• Memory stores 2,000 points of track and
marks
• 3D "Highway" display shows ship's track
overlaid on intended course
• Position may be shown in latitude and lon-
gitude or LOP (Loran or Decca)
• Navaid information (lighthouse data,
lighted buoys, etc.) can be displayed by
downloading database from personal com-
puter.