Urmet 1131 Manual Full [top] -

Used to power additional monitors or CCTV cameras where the main intercom system requires a separate power source.

: Several online platforms host user manuals, offering a free and accessible way to view or download the documentation. Key resources include:

Carbon capsule or electret (depending on the specific production year/sub-model). Mounting: Surface wall-mounted. Terminal Wire Connections (The 4+N Schema) urmet 1131 manual full

When replacing an existing unit, follow these steps to avoid common wiring errors: Label Before Removal

The Urmet 1131 series of house phones (known as “unifons” in some markets) is a staple in residential audio intercom systems. A standout feature of the Mod. 1131 is its design, which comes from the globally renowned design studio of Giorgetto Giugiaro, representing a successful synthesis of reliable functionality and an aesthetically pleasing style. Used to power additional monitors or CCTV cameras

The Urmet 1131 is a wall-mounted electronic call handset designed to work within 4+n wiring schemes (4 common wires + 1 return wire per user). It is characterized by its simple, clean design and white ABS plastic construction.

Reattach the handset shell to the base, ensuring it clicks into place. Mounting: Surface wall-mounted

In a standard installation, the 4+n schematic segments functions to prevent electromagnetic interference (EMI) across speech and power lines.

Locate the independent microphone and speaker potentiometers on the outdoor entry panel circuit board. Slightly turn down the volume controls until the screeching (Larsen effect) stops.

: For official Polish-language manuals, you can also visit urmet.com.pl . One source points to a direct PDF link: https://urmet.com.pl/INSTRUKCJE/1131_INSTRUKCJA.pdf , though it is advisable to verify its availability and currency on the site.