the sync threshold from 0 to 100% of the sync amplitude. This adjustment level guarantees accurate sync recovery for the longest cable length.

For extra long cable lengths, it is possible to use two DA103-217s to extend the distance to over 400ft. When two units are interconnected, EQ and GAIN controls should be set to 0 and the SYNC ADJ control should be set to 50%. Initially, only the receiver should be adjusted until there is no more adjustment range. After that, the transmitter’s EQ and GAIN can be adjusted to provide additional improvement in the image quality. Transmitter SYNC ADJ should be always set to 50%, while the receiver’s SYNC ADJ should be set for the best stable image.

Figure 8. Extending VGA cable length using two DA103-217s

In real life applications, the DA103-217 will significantly improve the displayed image sharpness and contrast. Figure 9 shows 250ft of a standard VGA cable without equalization and gain control. All of the text is smeared to the right as evidence of very severe signal degradation.

Figure 9. 250ft of coaxial cable without DA103-217

After properly adjusting the DA103-217 located next to a monitor, the image quality has been improved dramatically by removing ghosting and making text edges sharp and crisp. The gain was also adjusted to bring image contrast back to its original level. The sync control was set to 50% for this test.

AP-016 Rev 1

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Altinex DA103-217 manual
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DA103-217 specifications

The Altinex DA103-217 is a sophisticated and versatile audio-visual connection and distribution solution designed to meet the demands of both commercial and residential environments. This product stands out due to its impressive array of features that cater specifically to the needs of modern multimedia applications.

One of the key features of the DA103-217 is its ability to facilitate seamless integration of various audio and video sources. It provides multiple input options, allowing users to connect devices such as laptops, projectors, and monitors with ease. The unit supports several signal formats, accommodating both analog and digital sources, making it highly adaptable to diverse setups.

The DA103-217 employs advanced technology to ensure high-quality signal transmission. The device utilizes state-of-the-art video processing, allowing for resolutions up to 1080p and ensuring that visual content is displayed with exceptional clarity and detail. Additionally, the device supports high-definition audio formats, further enhancing the overall experience.

Another significant characteristic of the Altinex DA103-217 is its user-friendly design. The unit comes equipped with a clearly labeled interface, making it easy for users to navigate and connect devices without confusion. Furthermore, the product is compact and lightweight, making it convenient for installation in various environments, including conference rooms, classrooms, and home theaters.

The DA103-217 also incorporates innovative features such as automatic signal detection and switching. This functionality allows the device to detect active sources automatically, reducing setup time and streamlining the user experience. Additionally, the integrated security features help protect against unauthorized access and ensure that sensitive data remains secure.

Connectivity options are plentiful with the DA103-217, including HDMI, VGA, and audio inputs, providing users with flexibility in how they configure their systems. The robust build quality of the unit ensures durability, making it a reliable choice for both temporary and permanent installations.

In summary, the Altinex DA103-217 is a dynamic and feature-rich multimedia connection solution. With its high-definition video and audio support, user-friendly design, and versatile connectivity options, it caters to a wide range of audio-visual applications. This combination of characteristics makes the DA103-217 an excellent choice for professionals seeking a reliable and efficient means to manage multimedia presentations and experiences.
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