An automatic injector comprising: a head an automatic injector, comprising: a head an automatic injector, comprising: a powerhead (12) an actuator (14) dede power piston (12) an actuator (14) dede power piston (12) an actuator (14) of the syringe plunger one graphical user interface (52) The syringe one graphical user interface (52) The syringe one graphical user interface (52) and control logic configured to generate and control logic configured to generate and control logic configured to generate a first screen on the GUI usuaprimera screen on the GUI usuaprimera screen on the graphical user interface (52), and dondedicha first screen comprises river (52), and dondedicha first screen comprises river (52), and dondedicha first screen comprises a region messaging condition (266 ), caracteuna region messaging condition (266), caracteuna region messaging condition (266 ), characterized in that dichalógica control is configurizado that dichalógica control is configurizado that dichalógica control is further configured to represent a message bay state also to represent a message bay state also to represent a status message (268) and a message lapróxima action to perform (268) and a message lapróxi ma next step (268) and a message lapróxima next step (350) in said region messaging status (266 (350) in said region messaging status (266 (350) in said region messaging status ( 266 ). ). ).Un inyector automático, que comprende: un cabezal Un inyector automático, que comprende: un cabezal Un inyector automático, que comprende: un cabezal de potencia (12) un accionador (14) del émbolo dede potencia (12) un accionador (14) del émbolo dede potencia (12) un accionador (14) del émbolo de la jeringa una interfaz gráfica de usuario (52) la jeringa una interfaz gráfica de usuario (52) la jeringa una interfaz gráfica de usuario (52) y lógica de control configurada para generar una y lógica de control configurada para generar una y lógica de control configurada para generar una prime
