JVC VR-510U manual  Sense commands, Command Description

10 RS-232C INTERFACE (contd.)

10-3 Commands

Commands

Description

8AH

ALARM/SENSOR MODE SET: Sets alarm/sensor

recording-related data

TXD

8AH

%%H

%%H

%%H

RXD

0AH

0AH

0AH

0AH

2 bytes

Bit

Status details

7

6 ~ 5

6-bit

5-bit

PRESENSOR REC DURATION

0

0

10 sec.

0

1

30 sec.

1

0

60 sec.

4

PRESENSOR REC

0: OFF, 1: ON

3 ~ 0

3 bytes

Bit

Status details

7 ~ 0

8BH

DVR REC MODE: Sets the Record mode.

TXD

8BH

%%H

RXD

0AH

0AH

1 byte

Bit

Status details

7

6

Audio recording

0: OFF, 1: ON

5 ~ 4

5-bit

4-bit

REC QUALITY

0

0

HIGH

0

1

NORM

1

1

BASIC

1

0

LOW

3 ~ 0

3-bit

2-bit

1-bit

0-bit

REC SPEED

0

0

0

0

30

0

0

0

1

15

0

0

1

0

10

0

0

1

1

5

0

1

0

0

3

0

1

0

1

2

0

1

1

0

1

0

1

1

1

1/2

1

0

0

0

1/5

1

0

0

1

1/10

8CH

REPEAT REC MODE SET: Sets the repeat recording mode.

TXD

8CH

%%H

RXD

0AH

0AH

1 byte

Bit

Status details

7 ~ 2

1 ~ 0

1-bit

0-bit

REPEAT REC

0

0

OFF

0

1

AL•STOP

1

0

AL•LOCK

1

1

ALL

8DH

DVR REC CAMERA SET: Sets the camera for recording.

TXD

8DH

%%H

RXD

0AH

0AH

1 byte

Bit

Status details

7 ~ 1

0

1: Camera recording ON

8EH

DATE SET: Sets month, day and year.

Month

Day

Year

TXD

8EH

3%H

3%H

3%H

3%H

3%H

3%H

RXD

0AH

0AH

0AH

0AH

0AH

0AH

0AH

8FH

TIME SET: Sets hour, minutes and seconds.

Hour

Minutes

Seconds

TXD

8EH

3%H

3%H

3%H

3%H

3%H

3%H

RXD

0AH

0AH

0AH

0AH

0AH

0AH

0AH

SENSE commands

When the command is sent, this unit returns the information corresponding to the command received.

Command					Description
67H	STATUS SENSE: Returns unit status (5 bytes).
D7H		● 1st byte
	7			Not defined	Always outputs “1” .
	6			Not defined	Always outputs “0”.
	5			Not defined	Always outputs “0”.
	4		REC INHIBIT		Outputs with loop recording set to
					OFF when no remaining capacity is
					available.
	3			Not defined	Always outputs “0”.
	2			Not defined	Always outputs “0”.
	1			Not defined	Always outputs “0”.
		0 ERROR			When the command which cannot be
					received is received. To release this
					mode, input CLEAR ERROR (41H).
		● 2nd byte
	7		EE MODE		Outputs video signals input
					from an external source.
		6 A1 EE MODE			Outputs audio signals input from an
					external source.
	5		VIDEO MUTE		Always outputs “0”.
		4 AUDIO MUTE			Always outputs “0”.
		3 WARNING			HDD warning occurs.
	2		Not defined		Always outputs “0”.
		1 STREAM START			Detects the stream start point.
	0		STREAM END		Detects the stream end point.
		● 3rd byte
	7		Not defined		Always outputs “0”.
		6 TIMER REC ON			Timer standby is on.
	5		Not defined		Always outputs “0”.
	4		REPEAT		Always outputs “0”.
	3		Not defined		Always outputs “0”.
	2		REPEAT MODE		During repeat recording.
		1 SEARCH MODE			During search
	0		Not defined		Always outputs “0”.
		● 4th byte
		7 PLAY MODE			During playback
	6		Not defined		Always outputs “0”.
	5		Not defined		Always outputs “0”.
	4		STOP MODE		Stops playback or recording.
	3		Not defined		Always outputs “1”.
	2		Not defined		Always outputs “0”.
	1		REC MODE		During recording
	0		Not defined		Always outputs “0”.
		● 5th byte
	7		PAUSE MODE		Still pictures are played back.
	6		Not defined		Always outputs “0”.
	5		SHUTTLE FWD		Shuttle search is being executed in
					the forward direction.
	4		SHUTTLE REV		Shuttle search is being executed in
					the reverse direction.
	3		SPEED CODE3		Current running mode (see table below)
		2 SPEED CODE2			Current running mode (see table below)
		1 SPEED CODE1			Current running mode (see table below)
		0 SPEED CODE0			Current running mode (see table below)
				5-byte speed code details
				SPEED CODE	3210	Running mode
				Bit	0000	Still pictures being
						played back.
					0010	x1/18
					0011	x1/6
					0100	x1/2
					0101	x1
					0110	x3
					0111	x5
					1000	x15
					1001	x60
					1010	x360

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