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Connecting external devices – GME GP450XB User Manual

Page 25

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GP450X

INSTRUCTION MANUAL

PAGE 25

signal ground to the frame ground when connecting other
equipment which is connected to a positive ground battery .

replacing the fuse

The 0 .5 Amp fuse in the power cable protects the equipment
from over current, reverse polarity and equipment fault . If the
fuse blows, find the cause before replacing the fuse with the
correct 0 .5 Amp fuse replacement . If the fuse blows again
and everything is connected correctly, obtain the advice of a
qualified installer or arrange for your GP450X to be serviced .

coNNEctING EXtErNal dEvIcEs

Your GP450X can output navigation data such as position
information to external equipment such as a radar or fish finder,
in NmEa 0183 format .

uPloadING aNd doWNloadING WayPoINt &

routE data

Waypoint and Route data can be downloaded from your
GP450X to your Pc or uploaded from your Pc to the GP450X .
The GP450X is designed to connect to the serial port on
your Pc .

Wiring

A wiring diagram for connecting your GP450X to a Pc can be
displayed on the GP450X screen from the menu .

1 . From the main menu select I/o data and press the ENt key .

2 . Select WIrING INfo? and press the ENt key

3 . The following screen is displayed .

4 . Use this diagram to make a Pc interface cable using a

standard 9 Pin d connector .

NotE: A 25 pin connector may also be used . In this case
connect the 25 pin connector using the diagram below

5 . If necessary, configure the serial port on your Pc to the

following settings .

Note: No position fix is available during uploading or
downloading .

coNNEctING to EXtErNal marINE dEvIcEs

1 . From the main menu select I/o sEtuP and press the

ENt key .

2 . Choose the required data port data1 or data2 as

appropriate and press the ENt key .

NotE: choose DATA1 for standard NMEA connections to
marine devices . choose DATA2 for RS232 connections to PCs
and serial devices .

3 . The following options appear .

4 . Use the cursor keys to select the required option then press

the ENt key .

Choose NmEa-rEm1 or rEm2 to output data to a Radar, Fish
Finder etc .

Choose NmEa-aP to output data to an Auto Pilot .

5 . Press the mENu key twice to return to the navigation screen .

sElEctING thE NmEa vErsIoN

Your GP450X supports a number of NmEa variations to
ensure compatibility with a wider range of external devices . You
should consult the instruction manual of your other device to
determine which NmEa version is compatible .

To select the NmEa version on your unit;

1 . From the main menu, select I/o sEtuP and press the

ENt key .

2 . Select the NmEa vEr field and press the ENt key .

3 . Select from vEr1.5, vEr2.0 or vEr2.1 and press the

ENt key .

4 . Press the mENu key twice to return to the navigation screen .

doWNloadING data to a Pc

5 . From the main menu, select I/o sEtuP and press the

ENt key .

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Power Data Connector Wiring

PC Interface Wiring Diagram (9 pin D)

PC Interface Wiring Diagram (25 pin D)

Baud rate : 4800 bps

character length : 8 bit

stop Bit : 1 bit

Parity : None

X control : XON / OFF

For DATA 1

For DATA 2

I/O SeTUP menu

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