Thanks Again! I did try today to buy in my country the OLED display and none it's compatible, I need to buy in ebay or in aliexpress then would took one month to arrive.
I can make the IR-USB cable meanwhile , I have several CNC machibes to make the head, I can post results here.
Anybody used another colour than Yellow for the display? It's less readable in white than yellow?
Thanks again for your enormous work, it's a real shame that Keysight not provided this firmware mod.