Pioneer RS-232C manual Block Number CD, VCD, Time except disc which time code is not recorded

Page 35

Command Descriptions

5.22Block Number (CD, VCD)

Function

:

Address specification flag is set to block

Format

:

BK

Explanation

:

Address assignment proceeds by block. All subsequent addresses are

handled as a block number.

The Block refers to a physical block within a CD or a VCD. The physical block consists of 75 frames or blocks per second (different from traditional Video Frames).

But the player can not Block Number search with VCD disc.

Please refer to 8.10 Serial Use Address Flag.

Execution :

 

 

 

Command String

Status Return

DVD-V7200

 

 

 

 

 

BK243020SE<CR>

searches to 24 minutes,

Play mode to Search mode

 

 

30 seconds, 20 blocks

 

 

 

R<CR>

Pause mode

5.23Time (except disc which time code is not recorded)

Function

:

Address specification flag is set to time

Format

:

TM

Explanation

:

Address assignment proceeds by time code. All subsequent addresses

are handled as a time code.

Please refer to 8.10 Serial Use Address Flag.

Execution :

 

 

 

Command String

Status Return

DVD-V7200

 

 

 

 

 

TM12345SE<CR>

searches to 123 minutes,

Play mode to Search mode

 

 

45 seconds

 

 

 

R<CR>

Still mode

[maximum number of frames is 7-digits in length (# # # # # # #)]

5.24Chapter (DVD)

Function : Address flag is set to chapter

Format : CH

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Contents DVD-V7200 Page FCC Information Page Table of Contents Current Player Condition Request Descriptions Track CD, VCDOperating Modes Time DVD-V7200 Internal RegistersIntroduction Computer Control Functions Interface ConnectorSerial Interface Pin Specification InterfaceExternal Switch Control see Chapter Communication with a Computer Serial Interface SpecificationsSerial Control Command Structure Command and StatusPage CCR Error MessagesInitial Setting OFFPage DVD-V7200 supports the commands listed below Command StructureRegister B Set Squelch Argument Command MnemonicPage Request Status Return Command StringError Message Status ReturnsTiming Reject Command DescriptionsOpen ClosePlay StartVCD PauseDVD Step Forward DVD, VCD Step Reverse DVD Still DVD, VCDScan Forward Scan Reverse Scan Stop Multi-Speed Forward DVD, VCD Multi-Speed Reverse DVD VCD DVD Speed DVD, VCDSearch Search & Play Stop Marker Lead-Out Symbol Frame DVD ClearChapter DVD Block Number CD, VCDTime except disc which time code is not recorded Track CD, VCD Title DVDIndex CD, VCD Select Aspect Select Subtitle DVDSelect Audio DVD Audio Control Select Angle DVDSelect Parental-Level DVD Display Control Video ControlKey Lock Stack Group Set DVD Barcode /Command Stack Play DVDVideo Blackboard Clear Video Blackboard Display DVDBlackboard / Stack Data Upload Page Command Descriptions Repeat SRP #n Barcode #n Search Pointer Gray Blackboard / Stack Data Download Weekly Timer Data Upload BCD Page Data Weekly Timer Data Download EOF Text File Data UploadPage CD/VCD Current Player Condition Request DescriptionsBlock Number Request Title/Track Number RequestTime Code Request Chapter Number Request DVDFrame Number Request DVD Index Number Request CD, VCDTOC Information Request CD/VCD Block Number Request CD, VCDTotal Frame Request DVD DVD Disc Status Request Disc Region Code RequestCAV/CVL = CAV LD Disc Status Request LB-compatible DVDCD Disc Status Request DVD Register a SetPage Register B Set Print Character Register D SetÂ Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Clear ScreenReal Time Clock Set Blackboard Lock OFF Advanced Feature Menu SetBaud Rate Tray Lock OFFCommunication Control Set Player Model Name Request Player Active Mode RequestReal Time Clock Request Advanced Feature Menu RequestInput Number Request CCR Mode RequestError Code Request Player Region Code RequestInput Barcode Data Request Input Unit RequestCD, VCD Register a RequestRegister B Request Menu Call DVD Register D RequestNumeric Button DVD Enter Button DVD Get Information DVD Hlbtnn TtdomPage Park SetupRandom Access Operating ModesReject DVD-V7200 Internal Registers Search Time/Frame Remote Control Data RegisterLaser Barcode Buffer Serial Use Address FlagRegisters Mark IndexRegister Model DVD-V7200 Internal Registers Function Assignment External Switch ControlDiode Assignment List ControllerSimple Circuit Diode Matrix Circuit Additional Notes Appendix a Complete Command List by Name Command Supporting Formats Appendix B Complete Command List by Mnemonic Command Supporting Formats Command Appendix C DVD Command ListCommand Appendix D LB Compatible DVD Command List Command DVD-V7200 supports the following commands Appendix E CD Command ListCommand Appendix F VCD Command List Command Appendix G Error Codes Page Pioneer Electronic Corporation
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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.