Computer Control

3.SERIAL CONTROL

3.1Serial Interface Specifications

3.1.1Signal Interface

The signal interface is a standard RS-232C connection.

3.1.2Data Type

Data Length: 8 bit

Stop Bit: 1 bit

Parity bit: No Parity

3.1.3Data Transfer Speed (Baud Rate)

The data transfer speed may be set to either 4800 or 9600 baud through the Industrial player menu screen or with the Advanced Feature Menu Set command (refer to the DVD-V7400 Operating Instructions for command description).

NOTE: The factory default is 4800 baud; however, the player memorizes the transfer speed each time the power is cycled.

3.2Communication with a Computer

The DVD-V7400 communicates to the computer through the RS-232C port using pins 2 and 3 for communication and Pin 1 for grounding. Control or “handshaking” lines other than the TxD and RxD connections are not required. Please refer to the diagram below for clarification.

Computer

TxD

RxD

GND

DVD-V7400

Pin 3 - RxD

Pin 2 - TxD

Pin 1 - GND

Some computers require the CTS port to be set to HIGH during communication. It is best to connect the CTS and DSR port on the computer to the DTR port on the player. During normal operation the player’s DTR is set to HIGH thus the unit is able to receive a command at any time.

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Pioneer DVD-V7400 manual Serial Control, Serial Interface Specifications, Communication with a Computer

DVD-V7400 specifications

The Pioneer DVD-V7400 is a professional-grade DVD player that has gained recognition for its robust performance and versatility in various applications, especially in the fields of broadcasting, presentation, and event production. Released as part of Pioneer's renowned lineup of video playback equipment, the DVD-V7400 boasts several advanced features and technologies that set it apart from consumer-grade players.

One of the key characteristics of the DVD-V7400 is its ability to play a wide range of disc formats, including DVD-Video, DVD-R, DVD-RW, DVD+R, and DVD+RW. This compatibility makes it a reliable choice for professionals who need to work with different media types. The player also supports CD audio playback, ensuring it can handle various formats used in different contexts.

In terms of video output, the DVD-V7400 is equipped with both component and composite outputs, allowing for high-quality video signal transmission. The player supports multiple video standards, including NTSC and PAL, enhancing its adaptability in international markets. The integrated digital to analog converter (DAC) ensures that audio playback retains clarity and depth, which is crucial in professional settings where sound quality is paramount.

Another impressive feature of the DVD-V7400 is its comprehensive playback functions. It supports discreet chapter selection, instant replay, and frame-by-frame playback, providing operators with precise control over video content. These features are particularly advantageous during live presentations or events where timing and accuracy are essential.

Built for durability, the DVD-V7400 is designed to withstand the rigors of continuous use in professional environments. Its robust construction and high-quality components ensure longevity, making it a cost-effective investment for businesses and institutions.

In addition to its playback capabilities, the DVD-V7400 includes useful features such as programmable playback sequences, which allow for customized presentations and automated show setups. The player’s RS-232C interface enables remote control operation, facilitating integration into larger AV setups and professional control systems.

Overall, the Pioneer DVD-V7400 stands out as a reliable and feature-rich player, making it an excellent choice for professionals who require consistent performance and quality in their video playback solutions. With its wide compatibility, robust features, and ease of use, the DVD-V7400 continues to be a trusted option in the industry.