S1 Vivaldi II Owner’s ManualPage 103. Place one or Double Cups under the portafilter handle (11).4. Press the button corresponding to Single Cup (24) if you want to make one coffee orDouble Cups (25) to start the delivery. Once the desired quantity of coffee programmedis reached, the delivery automatically stops.4.6 Volumetric Dose ProgrammingThe programmable volumetric dosing feature allows programming of the Single Cup (24) andDouble Cup (25) buttons to dispense whatever quantities of espresso the user desires.Their use for single cup and double cup quantities is merely a suggestion. Many users onlypull double shots and program the double shot button for 1.5-2.0oz for that purpose. Thenthey program the Single Cup button for a larger amount for use in flushing the portafilterbasket and/or the group between shots. The beauty of the programmable dosing feature isthat the machine owner can be creative. The following are the instructions for programmingeach button assuming they are being used for single and double shots.1. With the machine on, press the ON//OFF (27) button and keep it pressed for about 3seconds; the control light (22) and the one indicating the set temperature start flashing.2. Insert the single cup basket into the portafilter handle (11) and fill it with 7-8g of groundcoffee making sure not to leave coffee powder on the upper edge of the portafilterhandle, and press it with the included plastic tamper or, more optimally, a high quality53mm coffee tamper.3. Fasten the portafilter handle (11) to the brewing group (10), placing a cup under theportafilter handle.4. By pressing the Single Cup button (24) the delivery starts and the lights 14-15-16 turn onto show that the one shot espresso dose is being programmed.5. When the coffee inside the cup has reached the desired quantity, again press the button(24) to stop the delivery.6. You automatically return to the initial visualization.7. Repeat the previous steps above using the Double Cup button (25) making sure youchange the filter inside the portafilter handle (11) to the double shot basket and fill it with14-16g of espresso first.4.7 Hot Water Delivery(only possible with the boiler turned on, BOILER light 13 on)1. Place the pitcher below the hot water output (28):2. Press the Hot Water delivery push-button (23).3. The hot water delivery starts.4. Once the desired quantity is reached, stop the delivery by pressing the Hot Water button(23) again4.8 Steam Delivery(only possible with the boiler turned on, light 13 turned on)1. Insert the steam wand (2) in the pitcher containing the drink to be heated.2. Turn the steam knob (6) counter-clockwise, regulating the steam flow according to theneed.