JVC BR-DV600UA manual 12 RS-232C Interface, 12-2 RS-232C specifications, 12-3 RS-232C commands

12 RS-232C INTERFACE
12-2	RS-232C specifications
9PIN D-Sub
	1 2 3 4 5
	6	9
Pin NO.	Signals	Operations	Direction of

ASCII code table
Use this table to express the values or alphabets on the
RS-232C interface.
0	1 2	3	4	5	6	7	8	9	A B C D E	F
0	SP	0		P		p
1		1	A	Q	a	q
2		2	B	R	b	r
3		3	C	S	c	s
4		4	D	T	d	t
5		5	E	U	e	u

12 RS-232C INTERFACE
12-3 RS-232C commands
An optional RS-232C interface can be installed in this unit		Preparation
and connected to a personal computer. Data transmitted and		To control the	VCR via the RS-232C interface, set the No.
received via the RS-232C interface enables the PC to control
		050 <REMOTE SELECT> menu switch to “RS232C”, “IEEE
the VCR and gather status and operating information.
		1394 + RS232C”, “JVC BUS + RS232C” or “JVC BUS +
VCR operation commands		RS232C + 1394”.
These commands are used to operate the VCR. When the command is			(e.g.)	TXD	3Ah
received correctly, the VCR returns ACK (OAh) and enters the mode
corresponding to the command.			Playback	RXD	0Ah
Commands	Description

			signals
2	RXD	Receive data	VTR p PC
3	TXD	Transmit data	VTR [ PC
4	DTR	Data terminal ready	VTR [ PC
5	GND	Signal ground
6	DSR	Data set ready	VTR p PC
Note: PC means a controller such as a personal computer.
Mode	: Non-synchronous
Character length :		8 bits
Parity check	:	None
Start bit	:	1
Stop bit	:	1
Data rate	:	9600 bps
Bit structure

6 6 F V f v

77 G W g w

8	8	H	X	h	x
9	9	I	Y	i	y
A		J	Z	j	z
B		K		k
C		L		l
D		M		m
E		N		n
F		O		o

3A	PLAY	Play
3B	FWD X2	2x play
3C	FWD X0.2	0.2x play
3D	F-STILL	Pause
3E	FWD X10	10x play
3F	STOP	Stop
4A	REV X1	Reverse play
4B	REV X2	2x reverse play
4C	REV X0.2	0.2x reverse play
4D	R-STILL	Pause
4E	REV X10	10x reverse play
4F	STILL	Pause
58	GOTO IN	Cues up the point specified with the
		When the tape is cued, COMPLETE
		cannot be found, NOT TARGET (05)

IN ENTRY (50) and IN DATA PRESET (E3).

(01)is returned. When the specified point is returned.

	D0	D1	D2	D3	D4	D5	D6	D7
Start bit								Stop bit

59	GOTO OUT	Cues up the point specified with the OUT ENTRY (51) and OUT DATA PRESET (E4).
		When the tape is cued, COMPLETE (01) is returned. When the specified point
		cannot be found, NOT TARGET (05) is returned.
5B	MEMORY SEARCH	Cues up the point specified with the MEMORY (5A). When the tape is cued,
		COMPLETE (01) is returned. When the specified point cannot be found, NOT
		TARGET (05) is returned.
7B	OPERATE ON	Operating mode ON
7C	OPERATE OFF	Operating mode OFF
A0	STANDBY ON	Standby ON
A1	STANDBY OFF	Standby OFF
A2	PREROLL	Preroll
A3	EJECT	Eject cassette
AB	FF	Fast-forward. When this command is transmitted during playback, playback speed
		changes to 10x.
AC	REW	Rewind. When this command is transmitted during playback, reverse playback starts
		at 10x.
AD	F-FIELD STEP	Advances one frame. This command should be transmitted in the Play-Pause mode.
AE	R-FIELD STEP	Reverses one frame. This command should be transmitted in the Play-Pause mode.
B2	CUE UP WITH DATA	Use this command to cue up a specified point on the tape. When the tape is cued,
		COMPLETION is returned and the Pause mode is engaged.
		To specify the cue point, transmit the time data (hour: minute: second: frame, a total
		of 8 bytes with 2 bytes for each) following this command.
B3	CUE UP AND PLAY	Use this command to cue up a specified point on the tape.
	WITH DATA	When the tape is cued, COMPLETE is returned and the Play mode is engaged.
		To specify the cue point, transmit the time data (hour: minute: second: frame, a total
		of 8 bytes with 2 bytes for each) following this command.

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