7 resources under "Updating Firmware"...

DC3 Master Guide  

Compustar tech team    11-15-2017

FT-14007 CM600S/CM600AS Firmware Update   

Compustar tech team    04-06-2016

FT-14005 CM5-6 Firmware Update   

Compustar tech team   

FT-14001 OP500 Firmware Update   

Compustar tech team