button to begin playback the player immediately begins to store 45 seconds of music in a solid state memory that is impervious to shock. The player is always reading the disc 45 seconds ahead of the music you are hearing and storing that information in the memory. If the player is subjected to shock or bumps of less than 45 seconds duration you will not notice them at all. If the bumps last longer than 45 seconds the 
comes on and a series of "bars"
appear in the display. When all 5 "bars" 
appear the 
as the memory is depleted. If all 5 "bars"
will reappear.
HD2850 specifications
The Emerson HD2850 is a state-of-the-art process control instrument specifically designed for critical applications in various industries, including oil and gas, chemical processing, and power generation. This robust device is engineered to provide accurate measurement and control capabilities, enhancing operational efficiency and safety.One of the standout features of the HD2850 is its advanced digital signal processing technology. This allows for precise data collection and analysis, ensuring that users receive real-time information with minimal latency. The incorporation of this technology enhances the instrument's ability to operate under a wide range of environmental conditions, making it suitable for harsh industrial settings.
Another significant characteristic of the HD2850 is its modular design. This design allows for easy customization and scalability, enabling users to adapt the instrument to their specific needs. With interchangeable modules for various sensing technologies, including pressure, temperature, and level measurement, the HD2850 can be configured for a diverse set of applications.
Reliability is another crucial feature of the HD2850. The device is built with high-quality materials and is rigorously tested to ensure longevity and durability. This reliability minimizes downtime and maintenance costs, providing a cost-effective solution for industrial operations.
The user interface of the HD2850 is designed with practicality in mind. Featuring a bright, intuitive display, users can easily navigate through menus and adjust settings as needed. Additionally, the device supports remote monitoring and control, allowing operators to oversee processes from a distance and respond to potential issues promptly.
The HD2850 also incorporates advanced diagnostic capabilities. These diagnostics provide users with critical insights into the health of the system, enabling predictive maintenance and reducing the risk of unexpected failures. This feature is particularly beneficial in industries where safety and reliability are paramount.
In summary, the Emerson HD2850 is a top-tier process control instrument characterized by its advanced digital signal processing technology, modular design, reliability, user-friendly interface, and comprehensive diagnostic capabilities. Its versatility makes it an invaluable tool across various industries, helping optimize processes while ensuring safety and efficiency.