Urmet 1131 Manual Full !new!

Understanding the internal terminal block is critical for a successful installation or replacement. Open the casing by releasing the bottom clip to expose the circuit board and the numbered screw terminals. Terminal Number Description Speaker (Earpiece) Receives audio from the outdoor entry panel microphone. Terminal 2 Microphone

Note: In many standard installations, terminals 6 and 10 are linked together via a metal jumper or wire loop to establish a shared common ground for both speech and lock release functions. Step-by-Step Installation & Handset Replacement 1. Preparation and Safety urmet 1131 manual full

Check the 10 terminal. Ensure the common wire (usually 6) is properly connected. Understanding the internal terminal block is critical for