: Electronic Call – receives the specific electronic ringing signal. Installation & Replacement
Before removing an old handset, label every wire. A common tip is to cut the wire leaving a small bit of insulation on the old terminal to preserve the color-to-terminal map. urmet 1131 manual full
Before disconnecting your old intercom, label the wires (1, 2, 6, 9, 10, 11) to avoid confusion. : Electronic Call – receives the specific electronic