Controller Connections

Serial Port

The CA4 supports RS-232 communication with various third party automation systems or PC for control, and potential firmware updates of the controller. The RS-232 port is located on the rear of the CA4 and uses a DB-9 cable connection. Directions will accompany any firmware updates.

Controller ID Settings

If more then 4 zones are required another CA4 controller must be used and must have its own ID. One of the controllers must be set to 1 (default) and the other to 2.

1.Power up the #2 controller (plugging the unit into an electrical outlet). The installer has 30 seconds to set the ID.

2.Press and hold the source button on a keypad connected to the #2 controller's wall port for 5 seconds and the source 1 or 2 label will start blinking, whichever the controller is set to will be displayed. If source 1 blinks then the ID is set to 1. If source 2 blinks then the controller ID is set to 2. Please note, the default setting is 1.

3.A press and release of the volume up button will set the controller ID to #2. (A press and release of the volume down button will set the ID to #1.)

4.Cycle power to complete this setting. Unplug the controller from the power source, wait 10 seconds and plug it back in.

5.Only after the controller ID's are set should the cable linking the controllers be connected.

Please note upon initial power up this parameter should be set within 30 seconds or the controller will revert to normal operation. During power failure or power cycle this mode will return for the first 30 seconds of initial power. Normal operation can still occur during this period.

Note: All four connections from the controller to the wall port must be made, even if there are less than 4 keypads connected to the system.

Caution: Cables between the wall port and the controller must match numerically (#1 on Controller to #1 on Wall Port, etc.). Swapping cables to different ports can damage the equipment.

Connect the linking cable only after the controller ID's have been set.

Within 30 seconds of initial power up, hold the Source button for 5 seconds and then the volume up button to illuminate the 2nd source button. Cycle power and the controller ID is set to 2.

Two Controller Configuration

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Russound CA4 System Installation Manual

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Russound CA4 installation manual Serial Port, Controller ID Settings
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CA4 specifications

The Russound CA4 is an advanced multi-room audio system designed to deliver high-quality sound throughout the home. As a versatile and user-friendly solution for audiophiles and casual listeners alike, the CA4 caters to the growing demand for integrated entertainment experiences in today's smart homes.

One of the main features of the Russound CA4 is its ability to distribute audio to multiple zones, allowing users to enjoy different sources and adjust volumes independently in each area of the house. With the support for up to four zones, the CA4 is perfect for a medium-sized home. The system can seamlessly integrate with a variety of audio sources, including local streaming services, FM radio, and external devices such as CD players and gaming consoles, making it easy for users to enjoy their favorite content.

The CA4 employs advanced technologies to ensure superior sound quality and reliable performance. Utilizing high-resolution audio support, it reproduces music with pristine clarity, bringing out the details in every track. The Russound CA4 also features a sophisticated digital signal processor (DSP) that optimizes sound distribution, allowing it to adapt to various environments and speaker configurations. This ensures that listeners experience consistent audio quality, no matter where they are in the house.

One of the standout characteristics of the CA4 is its user-friendly interface. The system can be controlled through various methods, including an intuitive mobile app, dedicated wall controls, or remote controls. This flexibility allows users to manage their audio experience from anywhere in the house, making it easier to adjust settings or switch sources on the fly.

Moreover, the CA4 features compatibility with popular smart home platforms, enabling voice control and automation capabilities. This integration allows for seamless operation with existing home automation systems, making it a highly adaptable choice for modern smart homes.

Overall, the Russound CA4 embodies a blend of quality, functionality, and ease of use, making it a stellar choice for anyone wanting to enhance their home audio setup. With its robust feature set and commitment to delivering an exceptional listening experience, the CA4 represents a significant advancement in multi-room audio technologies. Whether hosting a gathering or enjoying a quiet evening, the Russound CA4 ensures that high-quality sound is always within reach.
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