Garmin GPS 18 User Manual

GPS 18

with nRoute™ Navigation Software

setup guide

This setup guide includes instructions to
connect your GPS 18 to your computer,
install software on your computer, and
unlock the detailed maps.

To ensure a successful installation, follow
the steps outlined in this guide. Do not

connect the USB cable to your PC until
you are instructed to do so.

190-00309-02 Rev. A

Attention! Do not connect the enclosed Garmin USB cable to

your computer until you have loaded the MapSource software.

Step 1: Install nRoute

1. Insert the DVD into your computer’s DVD-ROM drive. If auto-run is
enabled, your computer will automatically display a welcome screen.

If the start-up file does not run automatically, click the Start button,

select Run…, and then type the drive letter of your DVD-ROM drive
followed by setup (example: “E:\setup”). Press Enter.

2. Click Install nRoute and follow the instructions on your computer
screen.

Step 2: Connect the GPS 18 to Your Computer

GPS 18 PC

1. Connect the 12-Volt adapter to your vehicle’s 12-Volt receptacle.

2. After properly mounting the GPS 18, routing the
cable to your computer, and installing nRoute
software, insert the DB-9 connector into an
available DB-9 (9-pin) serial port on your computer.

3. Tighten the knobs on the serial connector to secure
the GPS 18 to your computer.

GPS 18 PC (DB-9

Serial) connector