Koden CVS-705D, Installation Manual

Page: 22 / 74

Chapter 1 Installation CVS-705D/707D
1-2 0092607052-03
1.1.4 Laying and connection of cables
(1) Keep the transducer and power cable as far away from the cables of other electronic
equipment as possible.
(2) The cabinet of CVS-705D/707D Display and Processor unit shall be securely grounded to
the hull, using the grounding terminal on the rear panel.
Caution:
The ground side of power input of this equipment is connected to the ground
terminal.
In case of + (positive) ground, it cannot be used. The power may short-circuit.
(3) If you connect the power cable directly to the battery, interference from the other
electronic equipment is expected to be less. (See Fig. 1.1)
Fig. 1.1 CVS-705D/707D Connection of Power line
1.1.5 Coordination after installation
Be sure to confirm the following points before starting up this equipment. The confirmation is
mandatory to operate the equipment normally:
(1) Is the power voltage in the boat within the appropriate voltage range? Is the current
capacity enough?
(Voltage range: 21.6 VDC to 31.2 VDC measured at the power connector.)
(2) Is the electric current capacity sufficient?
(Power consumption: CVS-705D / 70W, CVS-707D / 50W)
(3) Is the wiring of transducer cable correct? Is the wiring shorted?
Noise
Battery
Display or Processor unit Good example
Bad example Display or Processor unit
Battery
Noise
ESD-210
Or
ESM-210 ESD-210
Or
ESM-210