Posted 4/10/2021 05:21 (#8943039 - in reply to #8937842) Subject: RE: Upgrading EZ Guide 500 to FM-750
You can find firmware, cabling guides, and manuals at https://agtogo.com/pages/trimble-gps-firmware if needed for the 750 as well as the Nav Controller. The Nav will require the AP Toolbox downloadable program.