There are typically no manual DIP switches on the standard 1131 model; configuration is handled internally by the DSP (Digital Signal Processor).
If the official site is slow, check the "Urmet 1131 manual full" on specialized technical libraries like ManualsLib or ApplianceFactoryParts, but always verify the page count (a full manual is usually 24–36 pages, not just 2). urmet 1131 manual full
When used to power a door strike, it is critical to use a or proper isolation to prevent voltage spikes from feeding back into the audio/video circuit. There are typically no manual DIP switches on