12n In order to unlock the device, press and hold the MENU buttonfor 3 secondsn Press the MENU button againn Press the UP ▲ button twice („Chlorine” icon will behighlighted)n Confirm by pressing the CONFIRM ■ buttonn Activate or deactivate the function by pressing the UP ▲or DOWN ▼ buttonsn Confirm by pressing the CONFIRM ■ buttonn After confirmation you will automatically exit to menun Press the MENU button in order to return to the „stand-by”modeActivation / deactivation of the free chlorine generatorResidual chlorine generatorSignal lineBrine lineBrine tankResidual chlorine generator