6.20Player Model Name Request

DVD-V5000 DVD Player

RS-232 Command Protocol

The following table provides fuller explanations for each Active mode:

 

 

P00

(Open)

 

Disc tray is open

 

 

 

 

P01

(Park)

 

Disc rotation is stopped

 

 

 

P02

(Setup)

 

Preparation is being made for playback

 

 

 

P03

(Unload)

 

Disc rotation stops and disc tray opens

 

 

 

P04

(Play)

 

Audio and video are played at normal speed

 

 

 

P05

(Still)

 

Playback stops with video held on screen

 

 

 

P06

(Pause)

 

Playback stops and video is erased from screen

 

 

 

P07

(Search)

 

A specified address is searched for, a multi-track

 

 

 

 

 

 

jump is in progress, or a Search for user’s code is

 

 

 

 

 

 

in progress

 

 

 

 

P08

(Scan)

 

Fast forward/reverse is in progress

 

 

 

P09

(Multi-speed)

Playback occurs at any one of several speeds

 

Execution :

 

 

 

 

 

 

String

Status Return

DVD player

 

 

 

?P<CR>

P04<CR>

Play mode

 

 

 

ST<CR>

R<CR>

Still mode

 

 

 

?P<CR>

P05<CR>

Still mode

 

6.20Player Model Name Request

Function

:

Returns player model name

Format

:

?X

Explanation : The command returns the player’s name as P1570XX where P1570 is the series name and XX is a 2-digit serial code (not the product

 

serial number).

 

Execution :

 

 

 

String

Status Return

DVD player

 

?X<CR>

P157001<CR>

Series name P1570 and code 01

6.21Advanced Setup Request

Function

:

Returns the current setting of Advenced Setup Menu.

Format

:

?S

Explanation : The player returns the current setting of the Advenced Setup Menu. The return is expressed as an integer value. The value is made up of the sum of the selected arguments. The factory default is set to 0. The player returns an error code if the command is issued when the player is showing

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Image 58
Pioneer RS-232C manual Player Model Name Request, Advanced Setup Request, Series name P1570 and code

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.