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The Datavideo VP-781 is a robust and versatile HD/SD-SDI Repeater with integrated Intercom transmission capabilities, designed to significantly extend the reach of video and audio signals in professional production environments. This device serves as a crucial link in systems utilizing CB-50 all-in-one cables, which typically connect switchers to cameras, allowing for greater flexibility in camera placement and system architecture.
At its core, the VP-781 functions as a signal extender, specifically engineered to boost and re-transmit HD/SD-SDI video signals over longer distances than standard cabling would permit. This is particularly beneficial in large venues, outdoor shoots, or complex setups where cameras need to be positioned far from the main production switcher. By cascading CB-50 cables, the VP-781 enables the extension of these signals, effectively overcoming the limitations of cable length and maintaining signal integrity. When paired with another Datavideo unit, the VP-633, the VP-781 can extend video transmission up to 200 meters, providing substantial operational freedom.
Beyond its primary role as an SDI repeater, the VP-781 also incorporates a comprehensive intercom pass-through system. This feature is vital for seamless communication between camera operators and the production crew, ensuring coordinated efforts during live broadcasts, studio productions, or event coverage. The device supports 5-PIN XLR intercom connections, a professional standard that guarantees reliable two-way audio communication. This integrated approach means that not only are video signals extended, but critical communication lines are also maintained over the same extended cable infrastructure, simplifying cabling and setup.
A key usage feature of the VP-781 is its ability to extend Tally signals alongside HD/SD-SDI and intercom. Tally lights are essential visual cues for camera operators, indicating when their camera is live (on-air) or in preview mode. By extending these signals, the VP-781 ensures that camera operators receive accurate and timely feedback, which is crucial for smooth transitions and professional camera work. This triple functionality—video, intercom, and tally extension—makes the VP-781 an indispensable tool for multi-camera productions.
The design of the VP-781 emphasizes practicality and ease of integration. Its compact form factor allows for flexible placement, whether mounted on a rig, placed on a cart, or integrated into a larger system. The front panel of the device features an SDI IN port for video and audio input, along with an Intercom Out port (5-PIN XLR) for connecting to the camera side, facilitating communication and tally signals. The rear panel provides an SDI OUT port for the extended video and audio signal, and an Intercom IN port (5-PIN XLR) for connecting to the switcher side. This clear labeling and logical arrangement of ports simplify setup and troubleshooting, even for complex multi-device configurations.
In terms of maintenance, the VP-781 is designed for durability and reliability in demanding production environments. The instruction manual provides clear guidelines for proper handling and care to ensure its longevity. Users are advised to keep the unit clean, using a damp cloth for cleaning and avoiding liquid or aerosol cleaners. Adequate ventilation is crucial for preventing overheating, and users should ensure that the ventilation slots are not blocked. The device is built to withstand typical operational conditions, but precautions against physical damage, exposure to water, and improper power connections are highlighted.
The VP-781 is intended to be a robust, "set and forget" component once properly installed. Its internal components are designed for stable operation, and routine maintenance primarily involves ensuring a clean operating environment and secure connections. The manual explicitly states that users should not attempt to service the product themselves, as opening the unit could expose dangerous voltage points and void the warranty. Instead, any service issues should be referred to qualified service personnel, underscoring the professional-grade nature of the equipment and the importance of expert handling for repairs. This approach ensures that the device remains in optimal working condition and that any potential issues are addressed safely and effectively by trained technicians.
Overall, the Datavideo VP-781 is a highly functional and reliable device that addresses critical signal extension needs in professional video production. Its ability to simultaneously extend HD/SD-SDI video, intercom audio, and tally signals over long distances, coupled with its robust design and straightforward connectivity, makes it an essential component for enhancing the reach and efficiency of multi-camera setups.
General| Output Jitter | Less than 0.2 UI |
|---|---|
| Power Supply | 12V DC |
| Video Standard | SDI |
| SDI Input | 1 |
| Input | 1x SDI |
| Output | SDI |
| Resolution Support | 480i, 576i, 720p, 1080i, 1080p |
| Input Equalization | Automatic |
| Weight | 0.3 kg |
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