[razerindemix]

Hi all have downloaded .17 firmware but canot make link between the humax to PC am using adaptor rs22 to usb any help much needed thanks

[Gavinbat]

Hi,
I've not done this with anything other than car diagnostics gear, but the process should be similar.
Usually the problem is knowing the COM port number to use.
Look in device manager in windows to find the COM port the USB adaptor is using (eg COM7)
Now set the software that does the firmware upgrade to COM7 or whatever number you discovered.
Cheers,
Gavin