Orolia Ltd NAV-7 Benutzerhandbuch
24
DISPLAY ELECTRICAL INSTALLATION
This manual is concerned only with the installation of the NAV-7 and does not cover
the installation of any peripheral equipment connected to the NAV-7 such as
printers, navigational systems or source of NMEA data. For proper installation and
connection of peripheral equipment to the NAV-7 refer to the installation manuals
for these products.
The table below shows the connections that must be made to the NAV-7 for it to
function correctly.
the installation of any peripheral equipment connected to the NAV-7 such as
printers, navigational systems or source of NMEA data. For proper installation and
connection of peripheral equipment to the NAV-7 refer to the installation manuals
for these products.
The table below shows the connections that must be made to the NAV-7 for it to
function correctly.
Connection
Must connect
Optional
Ship’s earth connection
ü
12V or 24 V DC power supply
ü
NAVTEX antenna
ü
Alarm Relay
ü
NMEA or IBS time reference
See Note 1
See Note 1
Integrated Bridge/Navigation System
ü
External printer
ü
Note 1: Connecting a time reference (eg a GPS receiver) is highly recommended.
Ship’s earth connection
The earth terminal on the rear of the NAV-7 display must be connected to ship’s
ground by the earth cable supplied. The earth connection should be kept as short
as possible.
ground by the earth cable supplied. The earth connection should be kept as short
as possible.
Safety Warning
To ensure the best possible protection of the NAV-7 from static electricity
or nearby lighting strikes, the pre-fitted green grounding wire (connected
to the safety earth spade) must be connected to a nearby (hull) electrical
grounding point.