CHARTNAV 343
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15.3 Good Wiring Practice
Having decided on the location and position of each unit it is
essential to check the cable runs to ensure that there are no
problems.
All cable runs should be kept as clear as possible from other
cables carrying RF (Radio Frequency), pulsed signals or heavy
currents (such as winches etc.). At least 3 ft. clearance is
advised. Take particular care to ensure the maximum clearance
from radio transmitting aerials.
If it is necessary to extend any of the cables, the same type of
cable must be used.
All DC supply cables should be kept as short as possible and
should be taken from the battery via a switch/fuse or Circuit
Breaker of a suitable rating for the system being installed.
It is good practice to cleat all cables to fixed points at no less
than 0.5 m (18") spacing and where cables pass through
bulkheads, protect the cable with a suitable grommet or
sleeve.
Key to the Colour Coding of Cables
R
Red
Rouge
Rot
Rojo
B
Blue
Bleu(e)
Blau
Azul
BK
Black
Noir(e)
Schwarz
Negro
BN
Brown
Marron
Braun
Marron
V
Violet
Violet(te)
Violett
Violeta
G
Green
Vert(e)
Grun
Verde
W
White
Blanc(he)
Weiss
Blanco
GY
Grey
Gris(e)
Graua
Gris
Y
Yellow
Jaune
Gelb
Amarillo
O
Orange
Orange
Orange
Naranja
NC
No connection
Pas de lien
Kein anschluss No conectar
15.4 The Chartnav Control Unit
This should be installed in a position convenient for the
Helmsman to operate it, also taking into account access to the
Chart Card Reader slots and the tilt and swivel movement
available.
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