Introduction to the Navico radar system | 7
2.1 Radar system overview
The radar system is intended for use in a marine environment. It consists of an open array
scanner connected to a radar processor module by a prefabricated interconnection cable. The
interconnection cable must be installed by a qualified radar technician.
A network or serial cable is used to connect the radar processor to a display head.
An interconnection cable should only be installed by a qualified radar technician.
The radar processor module connects to the various display heads using three different
protocols. These are:
Ethernet. For more information on connecting via
Ethernet (see "Connect Simrad GB40 or
Northstar 8000i" page 35).
•
GB40
• 8000i
Serial Connectivity
RS485 For more information how to connect to RS485 displays (see "Connect Simrad NX40 /
NX45, Northstar M84 / M121" page 43).
•
NX40 / NX45
• M Series
RS422. For more information how to connect to RS422
displays (see "Connect Northstar 6000i /
6100i" page 47).
•
6000i / 6100i
2.2 Warnings
Use the radar at your own risk. Your radar is designed as a navigation aid. It should
not be used for purposes that require precise measurements of direction, distance,
topography or location. Always compare the navigation information received from
your radar with data from other navigation aids and sources. When a conflict arises
between the navigation data from your radar and data from other navigation aids,
make sure you resolve the conflict before proceeding with navigation. A CAREFUL
NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO OBTAIN NAVIGATION
INFORMATION.
International Regulations for Preventing Collisions at Sea mandate that when radar is
on a vessel, the radar must be used at all times, regardless of weather conditions or
visibility. Numerous court decisions have ruled that the radar must be used, and the
radar operator must know all operational aspects of radar performance. Otherwise
they will face a greater risk of liability if an accident occurs.
WARNING: High Voltage Hazard
There are dangerously high voltages present within the radar scanner unit.
Technicians must exercise extreme care when working inside the unit. ALWAYS
remove power before removing the cover. Some capacitors may take several minutes
to discharge, even after switching off the radar. Before touching the magnetron or any
high voltage components, ground them with a clip lead.
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