It is actually easy to do

Start dealing random cards:

• Press the green power button for more than 5 secs (while the dealer is on) and when the display show “00” and vulnerability zones blink you have entered the “Dealer power button menu”. Every click (circle) select the next item the of the following options:

         

• Select number 6 – equal to 6 presses on the power button

To stop random dealing:

Simply turn the dealer off.