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  Compact design and single-mold 

transducer for ease of installation and 
maintenance

  High definition 10.4" color LCD for 

displaying tide current detections

  Blackbox system configuration allows 

use of commercial VGA monitors

  Continuous display of tide speed and 

direction at the three selected depth 
layers

  Tide speed/direction and ship's track 

can be plotted on screen for larger 
area tide observation

  Triple-beam system for less error in 

tide current detection

  True tide current presentation 

with external GPS navigator and 
Gyrocompass inputs at deep water 
locations

  Water temperature graph helps locate 

current rip (Temperature sensor 
required)

The FURUNO CI-88 is a Doppler Sonar Current 
Indicator designed for every type of fishing vessels 
and hydrographic survey vessels. The high-definition 
10.4” color LCD continuously presents tide speed 
and direction at three depth layers simultaneously in 
addition to ship’s speed and drift. This variety of current 
information allows you to predict net shape and plan 
when to throw your net.

There are six presentation modes: tide vector, ship’
s speed, echo level, text, track and tide log. Mode 
selection is simple by pressing the dedicated button. 
Other menu settings are also easily made by using 
the cursor pad or rotary knob. The CI-88 features the 
unique, user customizable “function button” to shortcut 
menu operation. Once you have registered 
the often-used function, then just press the dedicated 
button and then the function window pops up.

The CI-88 has a triple-beam emission system for 
providing highly accurate current measurement. 
This system greatly reduces the effects of rolling, 
pitching and heaving motions, providing a continuous 
display of tide information. 

There are four modes for measurement: ground 
tracking, water tracking, NAV and Automatic. In the 
NAV mode, when ground (bottom) reference is not 
available acoustically in deep water, the CI-88 can 
provide true tide current information by receiving 
position data from a GPS navigator and heading data 
from a gyrocompass or a GPS compass.

The CI-88 consists of a display unit, a processor unit 
and a transducer. The control unit and display unit 
can be installed separately for flexible installation. 
A BlackBox configuration(without monitor) is also 
available.      

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