![]() Some systems also offer multiple trigger outputs or inputs, allowing for more complex setups where a single control signal can manage several devices simultaneously.ĭAB stands for "Digital Audio Broadcasting." It is a digital radio technology that allows for the transmission of radio signals in a digital format, as opposed to the traditional analog radio broadcasts. However, it's essential to ensure compatibility between devices, as not all components support 12V trigger functionality. This automation simplifies the user experience and ensures that devices work harmoniously without the need for manual intervention. Other Actions: 12V triggers can also be used for actions beyond powering on/off, such as activating ventilation systems, adjusting lighting, or even triggering motorised mechanisms like projector lifts. This ensures that all components shut down in a synchronised manner. Power Off: Conversely, when the control device is powered off, it can send a 12V trigger signal to the target device, prompting it to power down. This is especially useful for amplifiers, subwoofers, or other components that should be active when the system is in use. Power On: When the control device powers on, it sends a 12V trigger signal to the target device, causing it to turn on as well. When the control device sends out the 12V trigger signal, the target device responds accordingly. Target Device (Receiver): This device could be a power amplifier, motorised projector screen, motorised curtains, cooling system, or any other equipment that needs to be controlled based on trigger signals. One end is connected to the control device's trigger output, and the other end is connected to the trigger input on the target device. Trigger Cable: A specialised cable with a 3.5mm mono jack on each end is used to carry the 12V trigger signal. ![]() Here's how it generally works:Ĭontrol Device (Transmitter): This device, such as an AV receiver, preamplifier, or home automation controller, generates a 12V trigger output signal. These triggers are commonly used to coordinate the power state and actions of various components in a multimedia or home theatre system. It involves sending a 12-volt electrical signal (often low voltage) to trigger specific actions in compatible devices. A 12V trigger is a control mechanism used in audio/video systems and home automation setups.
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