HI in microwave is the full power, meaning the highest power. Whenever a recipe says MICRO, it means the microwave mode. Convection mode is the same as the normal oven mode. This recipe is for the microwave mode.
I am afraid there is nothing like a 'Quick' Swiss roll. Here is the url for the recipe for it:
http://www.niruskitchen.com/recipes/details.asp?category_id=38&recipe_id=471