Zenstar USB GPS Driver (for Windows XP)

  1. Close all programs and temporarily disable any antivirus software.
  2. Before attaching the GPS, double-click on the 'Driver' application file that you downloaded (below.) Then, follow the on-screen instructions to install the driver.
  3. Restart the computer.
  4. After the computer has restarted, plug the Zenstar GPS into your computer's USB port.
  5. Your computer will detect the GPS and complete the installation process.

Using the GPS
- When using the GPS, it must be in clear view of the sky. Using the GPS
- When using the GPS, it must be in clear view of the sky.
- When the indicator light flashes periodically, the GPS has acquired a satellite signal and is operating properly.

To Verify the COM Port used by the GPS

  1. Click Start, Control Panel, Performance & Maintenance, System, Hardware, Device Manager.
  2. In the list, find "Ports (COM & LPT)" and check the Virtual COM Port, which was created by the USB driver. For example: USB to Serial Port [COM #].
  3. Use this COM Port when connecting to the GPS. Or, use the GPS Setup Wizard that is included with Maptech's suite of Navigation products to connect the GPS to the software.

Please note that the Virtual COM Port number might be different on every computer or may change each time new devices are installed.

Win 64 Driver
This driver is for 32-Bit versions of Windows XP. If you are running a 64-bit operating system, please contact for an appropriate driver.


File Name 

File Size 



  1.60 MB
GMOUS_users_guide.pdf 326.88 KB 1.0 Requires Adobe Acrobat Reader

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Contacting Technical Support

First browse our website to get the answers you need. If you cannot find them, we suggest sending an email to

Support is available to registered users of versions 8.3 and newer from 10 AM to 4 PM EST/EDT, Monday through Friday.

CAPN Software LLC
Fax: 703.759.3266


Product Registration

To register your product follow the link below and complete the product registration form, you will receive an email with The CAPN registration code confirming your registration.

Product Registration Form

CAPN Software LLC // Fax: 703.759.3266