Q: How to change the keyboard?
A: On your console, unfold the Parameter Entry: Kvm Instances Definition, then unfold the Parameter Entry for the machine that you would like to change the keyboard. Pick up the keyboard you would like to use in the field Use keyboard layout language, and click save, a notification will pop up to inform that data is updated.
Now restart your VM to apply this change to your VM (WARNING: you need to do a full stop of the VM and then start it again. Make sure you follow the link for how to restart the VM).