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 4.40 to 4.50:
Fixed problem with binary data output.
Improve velocity performance at 5Hz.
Changes made from version 4.30 to 4.40:
Fixed corner case GPS week number rollover for devices using older hardware.
Changes made from version 4.20 to 4.30:
Fixed satellite tracking bug affecting GPS sensors used before April 6, 2019.
Changes made from version 4.00 to 4.20:
Fixed GPS week number rollover for devices using older hardware.
Improved PPS (pulse per second) reliability.
Changes made from version 3.90 to 4.00:
Improved time keeping.
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.