Set the 'Manufacturer' to 'NMEA - generic' and specify the COM port determined during the above test. If the GPS Wizard can not detect the GPS, select 'Setup' from the 'GPS' menu.From the 'GPS' menu, choose 'GPS Setup Wizard'. In the Device Manager list, look in Ports and find the Virtual COM Port, which was created by the USB driver.įinishing the Job: Reading the GPS Stream in Terrain Navigator Pro In the majority of cases, you can determine the Virtual COM Port by following these steps:Ĭlick: Start > Control Panel > Hardware and Sound > Device Manager (under "Devices and Printers")Ģ. Unless the Serial-to-USB adapter is working properly, it will not be able to communicate with your GPS or any software application.ĭetermining the COM Port Number of a Virtual COM Port:Once the driver is installed, you will need to find out the number of the Virtual COM Port that has been set up. If possible, verify that it is working properly through whatever means the documentation for that adapter indicates. Insert the Driver CD that accompanied your Serial-to-USB adapter and follow the instructions to set it up. Without a driver, a device can not be used. A driver is a piece of software that installs into the Windows Operating System that allows all applications to communicate with the new device. Setting Up Your Serial-to-USB Adapter:Your adapter includes a CD that contains drivers for your device. It is the number of this Virtual COM Port that is needed for Terrain Navigator Pro to connect to the GPS device attached in this fashion. While, the 'plug' on the back of the computer remains USB, Terrain Navigator connects to it as a traditional serial COM Port. Ī Virtual COM Port is a setting within the Windows Operating System that allows software products to connect to USB devices using traditional serial (COM Port) connections. They have software drivers that create a Virtual COM Port.They physically connect a serial cable to a USB port.Serial-to-USB adapters that do two things: If you are not familiar with our products, please check them out at: Please Note:This article is written for the customers of Trimble Forestry, providers of Terrain Navigator Pro and MyTopo Printed Maps.
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