JVC SR-MV55U, SR-MV45U manual System Commands, Response Commands

RS-232C INTERFACE (SR-MV55U ONLY) 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 Title Search.

02Error: 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).

05Not Target: Issued by the VTR when specified operations by commands such as Title Search 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.

●Response Commands

Commands for acquiring information such as deck status.

Command	Description
03	Cassette Out: Issued by the VCR deck when the cassette is ejected after ejecting is performed.
60	Chapter Sense: For acquiring the current chapter number.* (DVD Deck)
61	Title/Track Sense: For acquiring the current title number under “ORIGINAL” or in the “PLAY LIST”.* (DVD Deck)
B9	Select Sense: For acquiring the status of the inputs, recording mode, audio language selection and subtitle selection.*
BE	Date Data Sense: For acquiring the currently configured year, month and day.*
BF	Clock Data 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 81 - 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.