23Product descriptionQ Button 2: TestIn normal operationPress once: Closing of operating sealThe operating seal is closed by first operation of button.Press twice: Opening of operating sealThe operating seal is opened again by pressing the button twice.In stop modePress once: Wake upWith the first pressing of the button, the control is woken up for30 seconds and returns to display of current operating condition.Thereafter, the device returns to stop mode.Press twice during waking up: Switching off of control andopening of operating sealDuring the waking up period, which lasts 30 seconds, the controlcan be switched off by a second pressing the button. Here, theoperating seal is opened before ( chapter 4.5.4).4.4.5 Audible alarmThe control is equipped with a buzzer. By operating the button 1, the buzzer can beswitched off in the case of backflow or malfunctions.The buzzer is out during normal and accumulator operation.When operating seal is closed, buzzer sounds permanently.If the operating seal was closed by pressing the button 2, the buzzercannot be switched off. It switches off again automatically after theoperating seal was opened by renewed pressing.
