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.
Change History
Changes made from version 4.30 to 4.40:
Fix satellite tracking issue in certain conditions.
Changes made from version 4.20 to 4.30:
Fix loss of GPS fix in certain cases when UltraTrac is enabled.
Changes made from version 4.10 to 4.20:
Improved GPS performance for high dynamics and low signal strength conditions.
System requirements
IBM-compatible PC running Windows 2000 or later operating system and an available Com 1, 2, 3, or 4 port.
PC Interface Cable for your GPS unit. The PC Interface Cable may be purchased through your local Garmin distributor or ordered direct from our Online Store.