M600PRO with Ronin MX gimbal and Canon EOS 5D mark IV. Pressing photo button on remote controller has stopped working. Any ideas? Camera sensor ok. IR transmitter ok.
1) Malfunctioning button (hardware)
2) Mapping to the button deprecated (software)
The only way to eliminate software, unfortunately, is to hunt around all applications you use in conjunction with your M600 to see if you may have disabled that function.
OR...
You can switch remote controls to either eliminate or confirm hardware as the problem.