Having become addicted to barking out commands using Shoot in SH3, I knew there was no way I'd be able to play SH4 without it, so I started using SetKeys to reconfigure command.cfg. I found early that simply copying the commands_en.cfg from SH3 didn't work.
Unfortunately, as eweber said, simply using the SetKeys edited commands.cfg breaks some features in SH4. In my case, the radio and gramophone wouldn't work at all, although I was able to use some voice commands to get the gramophone to start and stop without displaying the interface. It took some long testing to figure out that it was indeed SetKeys causing this.
From that point on I backed up commands.cfg before using SetKeys, then simply cut and pasted the edited commands into the back-up copy and used THAT one with SH4. I never thought of simply replacing the header, but I'll try that next time.
At this stage I simply cannot imagine not using voice commands. Standing on the bridge scanning the horizon it's a simple matter of shouting, "Set course to my mark," when I want to change course, or "Sound general quarters!" when going into battle or just to keep the boys on their toes!
