An antenna system includes a feedhorn, main reflector, sub-reflector, and frequency selective member. The process can be continuous, which makes it possible to prepare, in a single stage, a isocyanate with a good yield, without formation of byproducts and on simplifying the plant in order to carry out the process so as to promote safety. Semi-automated integration of the devices includes integrations wherein an operable connection between the integrated components aids the user in selecting, inputting, calculating, or validating the amount, type, or time of medicament delivery of glucose values, for example, by transmitting data to another component and thereby reducing the amount of user input required. A controller energizes the heating element when the signal represents that the coolant temperature is less than a predetermined lower limit.