Raymarine A Series Manuel d'installation télécharger pdf (Page 26)

26 A-Series display - Installation instructions

3.7 External GPS Connection

The A-Series has a built in GPS antenna. If you wish to connect an

external GPS antenna it may be either connected via SeaTalk or

NMEA 0183 depending upon the antenna type.

For SeaTalk connection refer to:

• SeaTalk connections on page 25.

• Separate instructions supplied with your GPS unit.

For NMEA 0183 connection refer to:

• NMEA 0183 connections on page 24

• Separate instructions supplied with your GPS unit.

See also

When using an external GPS antenna you must disable to internal

GPS from within the Setup menus. See External GPS setting on

page 38.

3.8 SeaTalk

connections

Your A-Series has a rear connector for SeaTalk

systems. It can

use SeaTalk

to communicate with:

• SeaTalk

instruments (e.g. ST70),

• SeaTalk

autopilots (e.g. ST70 with SmartPilot SPX course

computer),

SeaTalk

cables

The SeaTalk

system uses the following cables and connections.

SeaTalk

power

The SeaTalk

bus requires a 12 V power supply. This may be pro-

vided from:

Connection /

Cable

Notes

Backbone cables

(various lengths)

The main cable carrying data. Spurs from the back-

bone are used to connect SeaTalk

devices.

T-piece connectors Used to make junctions in the backbone to which

devices can then be connected.

Terminators Required at either end of the backbone.

Spur cables Used to connect devices.

Devices may be daisy chained or connected directly

to the T-pieces.

For SeaTalk

cables and accessories refer to Options and accessories on

page 56.

For more information refer to the separate SeaTalk

reference manual.

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Raymarine A Series Manuel d'installation Page 26

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