The DIGITALas DD-5100 Programming Manual is a comprehensive user guide for mastering the features and functions of this advanced device. Available for free download from manualshive.com, this manual provides step-by-step instructions and detailed explanations, ensuring smooth navigation and optimal performance.
Er-4, Er-5: restart the system – switch off the door phone power supply and switch it on again. In case error mark appears, demount module and present it to service workshops.