Mobile Crossing WayPoint Map Loader Manuale dell'Operatore Scaricare il pdf (Pagina 91)

SeaMarks manual VI. Menu Reference •

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• 91

The rest of this section is from a Garmin document: pcwiring.pdf.

GARMIN offers PC Interface Cables for almost all of its' GPS units.

If you do not have a suitable cable, follow these instructions.

GARMIN GPS to PC Wiring Instructions

Introduction:

This document will outline the basics for connecting most GARMIN GPS receivers to a PC serial connector for data

transfer. Since the GPS needs to both send and receive information from your PC, the data connection will consist of

three wires: Transmit Data (TxD), Receive Data (RxD), and Signal Ground (SG). The SG wire is common for both

power and data grounding.

Supplies:

Serial connector—Most PCs on the market use a standard 9 pin male serial port, also referred to as a DB9. Don’t

confuse this with external monitor port that is a DB15 female. You will need to obtain the appropriate DB9 female

connector to connect your computer. Most electronic or computer supply stores should carry this item. If your computer

does not have a serial port, get and install a serial to USB converter.

GPS Power/Data cable—If not standard equipment supplied with your receiver, may be purchased from GARMIN or

a GARMIN dealer.

Soldering iron and solder

Optional items you may need or use:

DC power source—Check with GARMIN, a GARMIN dealer, or an electronics supply store. You can usually use a

‘power brick’ that is capable of 12 VDC and at least 1 Amp.

Alternatively, a cigarette lighter adapter for supplying power to GPS from a vehicle. Check with an automotive or

electronic supply store.

Wire strippers/cutters

Multimeter—Handy for testing the connections when completed.

Cautions:

Be certain all cables are disconnected from the GPS unit, PC, and/or power supplies before soldering.

If you do not wish to perform the soldering/wiring steps, please seek the assistance or services of an electronics

repair/service shop or comparable professional.

When soldering, be sure to observe all safety methods and wear the proper protective equipment.

If you are supplying external power to your GPS, be sure to observe the proper voltage ranges for your unit. Failure to

do so may result in damage to your GPS! PCs do NOT generate the proper DC voltage to power a GPS unit.

Assembly Steps:

1. Make sure the parts to be soldered are clean and dry. Wiring should be stripped to appropriate lengths to ensure

proper fit into the connector. If the serial connector already has wires attached, use appropriate wire to wire connectors

for the assembly as opposed to soldering the connections.

2. Refer to the wiring diagram below that applies to your GPS unit’s type of interface connector.

3. Solder the power/data cable Data Out to the Receive Data (RxD) pin 2 of the DB9.

4. Solder the power/data cable Data In to the Transmit Data (TxD) pin 3 of the DB9.

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Mobile Crossing WayPoint Map Loader Manuale dell'Operatore Pagina 91