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3 Connect the included microphone to the PXI-H990. Refer to the Installation manual.

•When combined with a separately sold monitor that is Road EQ compatible and the Road Equalizer function are used, the separately sold monitor’s built-in microphone can be used.

•When connecting two PXI-H990 units, connect the microphone to both units. In this case, the built-in microphone in the separately sold monitor cannot be used.

4 Secure the microphone in place.

Failure to fix the microphone securely in place may result in distortion or improper acoustic positioning. The microphone must be mounted very securely so the bass frequencies will not vibrate it. For example, fasten using the fitting included with the sun visor, etc.

•The adjustment differs according to the position

of the microphone. Search for the position at which the desired sound quality can be achieved.

•The proper adjustments cannot be achieved if the subwoofer is located in the trunk and the trunk and cabin are separated by a metal sheet. Either move the subwoofer into the cabin or open a hole in the rear tray to join the two spaces. (This is not necessary if the partition is not a metal sheet.)

If the partition is a metal sheet, open a hole in the rear tray.

If you encounter a problem, consult your authorized dealer.

Is the partition a metal sheet?

Or move the subwoofer into the cabin.

•Do not disconnect the microphone during the automatic adjustment procedure.

PXI-H990 specifications

The Alpine PXI-H990 is a state-of-the-art embedded computing platform designed to meet the demanding requirements of modern testing and measurement applications. As part of the PXI (PCI eXtensions for Instrumentation) standard, the PXI-H990 incorporates modularity, high-performance, and scalability, making it an ideal solution for engineers and researchers in various industries including telecommunications, aerospace, and automotive.

One of the standout features of the Alpine PXI-H990 is its powerful processing capabilities. It utilizes a multi-core processor architecture that ensures efficient data handling and processing, crucial for real-time applications. The device supports high-speed data acquisition, helping engineers achieve accurate measurements and reduce testing time.

The PXI-H990 comes equipped with flexible I/O options that allow users to customize the platform according to specific application needs. Its slots support a wide range of modules, including those for signal generation, analysis, and data logging. This versatility ensures that systems can be tailored for diverse tasks without the need for extensive hardware changes.

The architecture of the PXI-H990 allows for high-speed communications between modules, enabled by the PXI backplane. This interconnectivity facilitates synchronized operation, enhancing timing accuracy, which is especially important in applications such as radar and communication systems testing. Furthermore, the device’s built-in synchronization capabilities allow for precise control over multiple instruments and measurements.

On the connectivity front, the PXI-H990 supports various interfaces, including USB, Ethernet, and Serial. This ensures seamless integration with other equipment and facilitates easy data transfer. The device also comes with advanced software support, enabling users to leverage powerful programming environments for automation, scripting, and analysis.

Additionally, the Alpine PXI-H990 is designed with durability and reliability in mind. It features rugged construction, ensuring it can withstand challenging operational environments. This reliability is further enhanced by built-in cooling systems that maintain optimal operating temperatures, even during intensive data processing tasks.

In conclusion, the Alpine PXI-H990 stands out for its combination of high performance, modularity, and flexibility. Its advanced processing capabilities, extensive I/O options, and robust architecture make it a leading choice for engineers and organizations looking for reliable embedded solutions in testing and measurement applications.