R is not engine start, it's rotor brake. but yes, you no need to know start up instructions and use standard keys (APU and left/right engine start). also new keys for separated systems are available, so you can control main functions (but not all) only with keyboard.

I disabled text hints in video, but if they are enabled it looks like that:

don't forget to set Novice avionics level, otherwise it will be nightmare for you =)