Updates & Downloads

Colorado TWN (Webupdater GCD file) software version 3.30

as of March 9, 2010

Use Garmin Express to install this file.

(17.46 MB)

View system requirements

Notes:

• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin® for service.

System requirements

1. IBM-compatible PC running Windows 2000 or later operating system and an available USB port.