1. A system for indicating and controlling at a central console the dispensing of beverages from a plurality of units remote from the console, each of the units including a plurality of beverage reservoirs, comprising: a plurality of beverage flow controllers at each unit, one of said flow controllers being provided for each reservoir; the console including: a keyboard for deriving data and command signals, data processing means responsive to the keyboard data and command signals for deriving addressing signals for the units; each of said units including: customer input signalling means, data processing means for: selectively deriving control signals for the flow of a beverage from the reservoirs and for deriving signals indicative of the quantity of beverage dispensed from the selected reservoirs, and for coupling the quantity of beverage signals to the console data processing means in response to the address of the unit being transmitted to the unit data processor from the console data processor, and means for activating the flow control means in response to the beverage flow control signals; the console further comprising: display means responsive to the console data processing means for displaying characters derived in response to the keyboard data signals and the quantity of beverage signals derived from the address units.