Pioneer RS-232C manual Pause, Dvd, Vcd

Page 25

Command Descriptions

If the player is in Random Access mode when the Play command is sent, the player enters Play mode and returns the completed status message. The Play mode is the only mode in which audio plays back simultaneously with video.

If an address is specified, an Auto Stop occurs on the selected sequence. The specified address is written as a Mark Frame or Mark Time and is compared with the current address. If the current address matches the specified address, the player enters Still mode and returns the completed status message.

The Auto Stop command is canceled if another command is sent before the player reaches the specified address. When this occurs, the player enters normal Play mode (the Stop Marker command is similar in function to Auto Stop).

If a Picture Stop code is detected before the player reaches the specified address, the player enters Still mode and returns an error message. However, if the disc program does not allow a stop, the player ignores the command and it may return the error message.

The available address modes are listed below:

Address Mode

DVD

LB-compatible

CD

VCD

DVD

 

 

 

 

FR (frame)

X

X

 

 

TM (time)

X

X

X

X

CH (chapter)

X

X

 

 

TI (title)

X

X

 

 

BK (block)

 

 

X

 

IX (index)

 

 

X

X

TR (track)

 

 

X

X

Sometimes, an Auto Stop command within a VCD Block Number Address misses the specified address. Depending upon when the command is sent, a playback address may be missed by a maximum of ten-blocks.

Execution :

 

 

 

Command String

Status Return

DVD-V7200

 

 

 

 

 

PL<CR>

R<CR>

Park mode to Play mode

 

TM0325PL<CR>

plays to 3 minutes 25 seconds

Pause mode to Play mode

 

 

R<CR>

Play mode to Still mode

5.6Pause

Function : Playback ceases temporarily

Format : PA

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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 Serial Interface Pin Specification Interface ConnectorInterface Computer Control FunctionsExternal Switch Control see Chapter Serial Control Serial Interface SpecificationsCommunication with a Computer Command Structure Command and StatusPage Initial Setting Error MessagesOFF CCRPage DVD-V7200 supports the commands listed below Command StructureRegister B Set Squelch Argument Command MnemonicPage Error Message Command StringStatus Returns Request Status ReturnTiming Open Command DescriptionsClose RejectPlay StartDVD PauseVCD 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 ClearTime except disc which time code is not recorded Block Number CD, VCDChapter DVD Index CD, VCD Title DVDTrack CD, VCD Select Audio DVD Select Subtitle DVDSelect Aspect Select Parental-Level DVD Select Angle DVDAudio Control 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 Block Number Request Current Player Condition Request DescriptionsTitle/Track Number Request CD/VCDTime Code Request Chapter Number Request DVDFrame Number Request DVD Index Number Request CD, VCDTotal Frame Request DVD Block Number Request CD, VCDTOC Information Request CD/VCD DVD Disc Status Request Disc Region Code RequestCD Disc Status Request LD Disc Status Request LB-compatible DVDCAV/CVL = CAV DVD Register a SetPage Register B Set Print Character Register D SetReal Time Clock Set Clear ScreenÂ Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Baud Rate Advanced Feature Menu SetTray Lock OFF Blackboard Lock OFFCommunication Control Set Player Model Name Request Player Active Mode RequestReal Time Clock Request Advanced Feature Menu RequestError Code Request CCR Mode RequestPlayer Region Code Request Input Number RequestInput Barcode Data Request Input Unit RequestRegister B Request Register a RequestCD, VCD Menu Call DVD Register D RequestNumeric Button DVD Enter Button DVD Get Information DVD Hlbtnn TtdomPage Random Access SetupOperating Modes ParkReject DVD-V7200 Internal Registers Laser Barcode Buffer Remote Control Data RegisterSerial Use Address Flag Search Time/FrameRegisters 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.
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