RS-232C INTERFACE EN 81

System Commands

Commands relating to RS-232C control system.

Command

Description

 

 

01

Complete: Issued by the VTR upon completing all specified operations by commands such as CueUp with Data.

 

 

02

Error: Issued by the VTR when receiving invalid commands in the context. In such cases, commands that are sent will

 

not be accepted. However, a return command will be issued but only to the Status Sense. To clear the Error status,

 

perform command 56 (Clear).

 

 

05

Not Target: Issued by the VTR when specified operations by commands such as CueUp with Data cannot be completed

 

properly.

 

 

0A

ACK: A return command issued when a defined command is received.

 

 

0B

NAK: A return command issued when an undefined or possibly nonexistent command is received.

 

 

56

Clear: Clears the Error status.

 

 

FB

VTR Ind: A command for checking whether the connected device is a VTR.

 

 

Response Commands

Commands for acquiring information such as deck status.

Command

Description

 

 

03

Cassette Out: Issued by the Mini DV deck when the cassette is ejected after ejecting is performed.

 

 

60

Chapter Sense: For acquiring the current chapter number.* (HDD/DVD Deck)

 

 

61

Title/Track Sense: For acquiring the current title number under AORIGINALB or in the APLAY LISTB.* (HDD/DVD Deck)

 

 

B9

Select Sense: For acquiring the status of the inputs, outputs, recording mode, audio language selection and subtitle

 

selection.*

 

 

BE

Date Sense: For acquiring the currently configured year, month and day.*

 

 

BF

Time Sense: For acquiring the currently configured hour, minute and second.*

 

 

D7

Status Sense: For acquiring the deck information.*

 

 

D8

TC Data Sense: For acquiring the total remaining time in the current recording mode when there is a media in the

 

selected deck.*

 

 

D9

CTL Data Sense: For acquiring the lapse counter when there is a media in the selected deck.*

 

 

DD

JVC Status Sense: Returns data from the unit.*

 

 

*See pages 82 - 84 for data format. Chapter Sense

 

1st Byte

2nd Byte

3rd Byte

 

 

 

 

Chapter Sense

Hundreds

Tens

Ones

 

 

 

 

60

3*

3*

3*

 

 

 

 

E.g. (012)

30

31

32

 

 

 

 

E.g.: When the current chapter is the 12th chapter.

Page 81
Image 81
JVC SR-DVM700U manual System Commands, Response Commands

SR-DVM700U specifications

The JVC SR-DVM700U is a versatile and high-performance digital video recorder that caters to both professional and consumer needs. It is designed to handle a variety of video formats, making it a convenient and reliable choice for video production, archiving, and playback tasks.

One of the standout features of the SR-DVM700U is its ability to support both digital and analog formats. It can play and record from MiniDV, DVCAM, and DVCPRO tapes, while also offering the capability to handle various VHS formats. This dual functionality provides users with an excellent solution for converting older tapes to digital formats while maintaining high-quality output.

In terms of connectivity, the SR-DVM700U is equipped with a range of inputs and outputs. It features FireWire (IEEE 1394) connectivity, enabling fast and efficient transfer of digital video to and from computers and other devices. Additionally, it has multiple composite video and audio connections, making it easy to interface with various equipment in the production setup. The S-Video and component outputs enhance the video quality, ensuring professional-grade performance.

The device leverages advanced digital processing technologies to ensure high-quality audio and video recordings. It includes a built-in up-converter that improves the resolution and sharpness of analog signals when converting to digital formats, enhancing the overall viewing experience.

The JVC SR-DVM700U also incorporates features like playback time code and edit search functions, which are essential for video editing workflows. This technology allows users to efficiently navigate through their footage, making it easier to locate specific scenes or segments during the editing process.

Moreover, the unit is designed with a user-friendly interface, featuring a clear LCD screen and easy-to-use controls, which facilitate seamless operation. The compact and robust design ensures durability, making it suitable for both studio environments and on-location shoots.

In summary, the JVC SR-DVM700U digital video recorder is a powerful tool that combines multiple recording formats, advanced processing technologies, and versatile connectivity options. Its ability to bridge the gap between analog and digital media, coupled with its professional features, makes it an invaluable asset for videographers and multimedia professionals looking to preserve and transform their video content.