Raymarine GPS navigation User Manual download pdf (Page 12)

provide ship’s L/L position data on their own

without other input requirements.

In a typical installation, the

6-pin

GPS sensor

connector is plugged directly into

the jack labeled

“GPS”

on the rear of the cabinet.

The 5

Pin plug

of the Loran-C sensor is connected to the jack

labeled “LORAN”.

‘SZ

If you are using the

Raystar

108 GPS sensor

together with the DGPS Beacon Receiver, the

“Y”

cable lead marked “Display” plugs into the GPS

jack.

2.3.3 Interface to External Navaids

The Power cable assembly (shown in the figure) includes two wires which

can provide an output of NMEA 0183 formatted data or

SeaT&data

for

other navigational equipment such as radars, auto-pilots, video sounders, and

plotters. Since the NAV unit outputs one data or the other, the same

connections are used for either NMEA or

SeaTalk

data. The wires are

marked and colored as follows:

YELLOW = DATA+

GREEN

= DATA

The NAV 398 may supply NMEA 0183 data for up to three external

equipments. Navaid devices connected to this output can receive the follow-

ing NMEA 0 183 sentences:

If LORAN Sensor is in use:

GLL, GTD, RMA, RMB, VTG,

APA,

APB, BWC.

If GPS Sensor is in use:

GLL, RMC, RMB, VTG,

APA,

APB, HSC, BWC.

When

SeaTalk

data is used, the NAV unit provides: magnetic variation,

COG, Cross-Track error, Lat./Long, GPS status data (including HDOP, fix

status), SOG,

waypoint

#, bearing, and distance, Arrival alarm, and MOB

signals to the SeaTalk bus.

External navigation equipment requiring NMEA 0183 data inputs nor-

mally obtain their required data via connection to the

NAV

398

data output (

yellow & green ) wires. However, some users may wish to operate the GPS

(or Loran) sensor unit directly with other navigational equipment capable of

INSTALLATION 2-6

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Raymarine GPS navigation User Manual Page 12

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