Water tank The water level should be maintained between the "MIN" and "MAX" lines of the water tank. The two rails on the water tank must be placed on the hooks at the back of the machine. It is necessary that the tank is placed correctly on the bottom platform. 1-cup button, 2-cups button, Steam/hot water light You can choose to brew one or two cups according to your needs. Short press the "steam/hot water button", the machine will enter the steam function mode. Press and hold the "steam/hot water button" for more than 3S, the machine will enter the hot water function. Steam wand Powerful steam wand performance of this espresso machine with milk frother allows you to manually texture microfoamed milk to enhance flavor and make latte art easier.