One of the most searched topics in the is how to change the ringtone. You will find two sets of DIP switches inside the monitor casing.
This manual covers the installation, wiring diagrams, operational parameters, and troubleshooting for the standard 1131 series enclosure and its internal components.
Do not pull excessively on the coiled handset cord, as this can damage the internal copper tinsel wires, leading to crackling audio. urmet 1131 manual full
: Hang up the handset and have a visitor press your bell. The electronic tone should be audible.
Verify the wire in Terminal 9 is secure. Take a small piece of spare wire and briefly bridge Terminal 6 (Ground) to Terminal 9. If the door buzzes open, your wire is fine but the mechanical button on your handset handset cover is misaligned or broken. Issue 2: You Can Hear the Visitor, But They Cannot Hear You Cause: Microphone fault or loose wire on Terminal 2. One of the most searched topics in the
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This often indicates a grounding issue or poor connection on terminal 2. 5. Wiring Diagram Summary Do not pull excessively on the coiled handset
Tighten the terminal screws firmly. Avoid over-tightening, which can shear thin copper intercom wires.
Extra buttons can be used for intercom calls, switching on staircase lights, or opening secondary gates. Microphone:
: While primarily a 4+N system (5 wires total), it can sometimes be adapted for 1+N systems using specific configurations.
: You can be heard by the visitor (microphone works), but you cannot hear the visitor (speaker is silent), or vice versa.