capabilities returns an empty string

[PataviniMa]

Hello,
my desktop PC is connected via VGA to a Samsung C27F396. I'm able to retrieve and set all the VPC features through DDC using other tools like "ControlMyMonitor". For example, I can switch the input source (60). Using the latest pre-compiled binary of winddcutil, however, the capabilities command just returns 0 and prints nothing to stdout. Also, directly changing a VCP feature through the "set" command seems to have no effect at all. How can I troubleshoot this?

[gazpachoking]

I think it's because controlmymonitor shows the codes in hex, and this utility uses the decimal number. Try using 96 instead of 60 for the input source code.