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Chapter 1 Installation
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-872D Display 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)
Good example
良い例
Battery
バッテリー
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: 10.8 VDC to 31.2 VDC measured at the power connector.)
(2) Is the electric current capacity sufficient?
(Power consumption: 60 W)
(3) Is the wiring of transducer cable correct? Is the wiring shorted?
1-2
Display unit
送受信表示機
Bad example
CVS-872D
Noise
ノイズ
Fig. 1.1 Connection of Power line
Display unit
送受信表示機
悪い例
Battery
バッテリー
CVS-872D
CVS-872D
Noise
ノイズ
0092607062-01
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