Here is one more solution to the topic.
1) Install all korg drivers to your PC
2) Download DSK Real LPC application
3) Install it and plug your Korg RK 100s to the PC
On this step you'll have clean quitar sound controlled by mini of Rk100S
4) * it is strongly reccomented to use External sound card
Plug your sound card to a guitar processor or pedals
5) Connect them to quitar amp
6) Set the settings to you favourites
Enjoy
