Manual Lowrance GlobalMap 7500C (page 18 of 144) (English)

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You need to select an antenna installation location that has a clear, un-

obstructed view of the sky. After the module is installed, connect it to the

unit. The LGC-2000 can communicate with your GPS unit either directly

(using the supplied extension cable) or through a NMEA 2000



network.

NOTE

See the module’s instruction sheet, publication part number 988-

0147-981, for complete installation instructions.

In an automobile, you may achieve good results by simply placing the

external antenna on the top of the dash, at the base of the windshield. A

piece of the rubber non-skid shelf liner material available in recreational

vehicle supply stores will help hold the antenna in place. This may not

work well if you have a cab-over design pickup truck camper or motor

home. If dashboard reception is poor, simply relocate the antenna mod-

ule elsewhere on the vehicle for a clearer view of the sky.

Connecting Directly to the Unit

After the module is installed, attach it to the end of the Y-adapter ex-

tension cable as shown in the following diagram. To connect it to the

unit, insert the extension cable's splitter plug into the Network socket

on the back of the unit and your system is ready to use.

LGC-2000 direct connection to GPS unit.

NOTE:

The extension cable’s shorter branch will have a 60-ohm terminator at-

tached to it. Do not remove this terminator. When you're not con-

necting to a NMEA 2000 buss, you must leave the terminator con-

nected to this socket for your antenna/receiver to function correctly.

Connecting to a NMEA 2000 Network

The LGC-2000 can be connected to a NMEA 2000 buss, providing GPS

information to any Lowrance GPS units attached to the buss. Contact LEI

Extras (look inside back cover for accessory ordering information) for a

NMEA 2000 buss adapter cable if you would like to do this.

There are two ways to connect the antenna to a NMEA 2000 network

port. One method (shown in the following image) is to use the extension

cable's Y-adapter to connect both the antenna and the unit to the same

network port. To do this, simply remove the 60-ohm terminator shown in

25' Y-adapter

extension cable

60-ohm

terminator

LGC-2000

To unit

Splitter plug

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Lowrance GlobalMap 7500C Manual

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