Command Structure

4.COMMAND STRUCTURE

The DVD-V7200 supports the commands listed below.

COMMAND

 

 

 

SUPPORTING FORMATS

 

Name

Mnemonic

DVD

 

LB comp. DVD

CD

 

VCD

Open

 

OP

X

 

X

X

 

X

Close

 

CO

X

 

X

X

 

X

Reject

 

RJ

X

 

X

X

 

X

Start

 

SA

X

 

X

X

 

X

Play

(adrs)

PL

X

 

X

X

 

X

Pause

 

PA

X

 

X

X

 

X

Still

 

ST

X

 

X

 

 

X

Step Forward

 

SF

X

 

X

 

 

X

Step Reverse

 

SR

X

 

X

 

 

 

Scan Forward

 

NF

X

 

X

X

 

X

Scan Reverse

 

NR

X

 

X

X

 

X

Scan Stop

 

NS

X

 

X

X

 

X

Multi-Speed Forward

(adrs)

MF

X

 

X

 

 

X

Multi-Speed Reverse

(adrs)

MR

X

 

X

 

 

 

Speed

arg

SP

X

 

X

 

 

X

Search

adrs

SE

X

 

X

X

 

X

Search & Play * 1

adrs

SL

X

 

X

X

 

X

Stop Marker

adrs

SM

X

 

X

X

 

X

Lead Out Symbol

 

LO

X

 

X

X

 

X

Clear

 

CL

X

 

X

X

 

X

Frame

 

FR

X

 

X

 

 

 

Block Number

 

BK

 

 

 

X

 

X

Time

 

TM

X

 

X

X

 

X

Chapter

 

CH

X

 

X

 

 

 

Title

 

TI

X

 

X

 

 

 

Index

 

IX

 

 

 

X

 

X

Track

 

TR

 

 

 

X

 

X

Select Subtitle

arg

SU

X

 

X

 

 

 

Select Audio

arg

AU

X

 

X

 

 

 

Select Aspect

arg

AP

X

 

X

 

 

 

Select Angle

arg

AG

X

 

X

 

 

 

Select Parental-Level

arg

PT

X

 

X

 

 

 

Audio Control

arg

AD

X

 

X

X

 

X

Video Control

arg

VD

X

 

X

X

 

X

Display Control

arg

DS

X

 

X

X

 

X

Keylock

arg

KL

X

 

X

X

 

X

Stack Group Set

arg

GP

X

 

X

 

 

 

Barcode / Command Stack Play

arg

BS

X

 

X

 

 

 

Video Blackboard Display

arg

VS

X

 

X

 

 

 

Video Blackboard Clear

 

CB

X

 

X

 

 

 

Blackboard / Stack Data Upload *1

 

BU

X

 

X

X

 

X

Blackboard / Stack Data Download

 

BD

X

 

X

X

 

X

*1

 

 

 

 

 

 

 

 

- 9 -

Page 17
Image 17
Pioneer RS-232C manual Command Structure, DVD-V7200 supports the commands listed below

RS-232C specifications

The Pioneer RS-232C is a significant component in the realm of communication technology, especially known for its application in serial communications. Initially introduced in the 1960s as part of the EIA-232 standard, RS-232C has evolved through various iterations to become a foundational interface for connecting data communication equipment (DCE) with data terminal equipment (DTE). This article outlines its main features, technologies, and characteristics.

One of the hallmark features of RS-232C is its ability to facilitate point-to-point communication. It allows for a direct link between two devices, making it suitable for a variety of applications, including modems, printers, computers, and other peripherals. The RS-232C interface typically uses a 25-pin connector, although a 9-pin variant is also common in many modern devices. This interface is based on serial communications, where bits are sent sequentially over a single channel, leveraging fewer wires compared to parallel communication methods.

In terms of technology, RS-232C operates primarily at voltage levels of +12V to -12V, which provide the necessary signaling for data transmission. The standard supports baud rates ranging from 300 to 115200 bps, accommodating various data transfer speeds depending on the needs of the hardware involved. RS-232C defines various electrical characteristics and timing requirements, ensuring robust performance over relatively short distances, typically up to 15 meters, depending on the baud rate.

Another essential aspect of the RS-232C standard is its use of asynchronous communication, allowing devices to transmit data without having to synchronize their clocks. Each data packet typically consists of a start bit, a predefined number of data bits (usually 7 or 8), an optional parity bit for error-checking, and one or more stop bits. This method allows for error detection and ensures data integrity during transmission.

Despite its age, the RS-232C interface remains relevant, especially in industrial applications, instrumentation, and legacy systems. Its simplicity, low cost, and widespread acceptance make it a versatile choice for connecting various devices, even in a world increasingly dominated by USB and other modern interfaces.

In conclusion, the Pioneer RS-232C is a remarkable testament to the enduring nature of serial communication technology. Its straightforward design, reliability, and ease of integration continue to make it a staple in numerous applications, underscoring its significance in the landscape of data communication.