1. A laboratory system ( 100 ) comprising: multiple subsystems (SB 1 -SBn); each subsystem (SB 1 -SBn) being configured to receive and carry out a command (C); and a master control device ( 1 ) configured to process a command string (CS) and to transmit command(s) (C) to a corresponding subsystem (SB 1 -SBn); said command string (CS) comprising a command(s) (C) and/or command group(s) (CG) and each command group (CG) comprising a command(s) (C) and/or command group(s) (CG); wherein the master control device ( 1 ) is configured: to simultaneously process command group(s) (CG) prior to simultaneously transmitting command(s) (C) within the same command group (CG); and to sequentially process command group(s) (CG) respectively transmit command(s) (C) not within the same command group (CG).