Chapter 7: Installation
89
Planning the
Installation
Although the chartplotter is designed to meet the CFR46 waterproofing
standard, it is advisable to mount it, whenever possible, so that it is not exposed
to the direct effects of salt spray or direct sunlight.
The monochrome chartplotter is provided with a sun cover. It is designed for
above or below deck installation. The color chartplotter is designed only for
below deck installation. When installing the chartplotter ensure it is:
• Protected against physical damage
• At least 230mm (9in) from a compass
• At least 1m (3ft) from radio receiving equipment
• Accessible from behind for ease of installation and cable running
You should also consider visibilty of the display to the helmsman
Note: LCD displays have a specific viewing angle for optimum visibility, which
is normally within 30° of head-on viewing. You may wish to apply power to the
chartplotter and view the display in various locations before mounting the unit
permanently.
Connection Options
The chartplotter can communicate with other instruments using any of the
following data interfaces:
•
SeaTalk, using the dedicated SeaTalk ports.
•
GPS, using the GPS Sensor port .
•
NMEA, using the Power/NMEA port.
Navigation data can be received from all three ports. If data is available on more
than one, then data from the SeaTalk port will have priority.
SeaTalk information can be selected for display via data windows (see Section
6.3). Data derived from the chartplotter is supplied to other instruments on
SeaTalk.
The GPS Sensor port is only suitable for connection of Raytheon GPS units
with a matching connector.
The NMEA connection on the Power/NMEA port can be used to connect third
party GPS’s and to connect a printer.
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