13 RS-232C protocol

 

 

 

 

 

13-2 RS-232C Commands

 

 

 

 

B5: Fwd Shuttle Key

 

 

Basic/JVC-1 Table

Shuttle search playback in the forward direction.

Specify the Fwd Shuttle Mode. The speed is

 

 

specified by the second byte.

 

 

 

 

Specify the adjustment speed.

 

 

 

 

 

TxD

B5

3*

 

 

 

 

 

 

 

 

RxD

 

0A

 

0A

 

 

 

 

 

 

The second TxD byte consists of numeric data

 

and is expressed with “30”, “31”, “32” ... “38”,

 

 

“39”, “3A”, “3B” and “3C”.

 

 

 

 

 

When invalid data is received, the VCR returns

 

“02: Error”.

 

 

 

 

 

 

 

 

The speeds corresponding to each value are

 

 

shown below.

 

 

 

 

 

 

 

 

 

Data

30

 

31

32

33

34

35

36

37

38

 

Speed

 

Still 0.03 0.09 0.20 0.50

1

2

4

6

 

 

 

39

 

3A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

17 or 32

 

 

 

 

 

 

 

Data

 

 

 

 

 

3B

 

3C

 

 

 

 

Adjustment speed

-10% +10%

 

 

 

Auxiliary commands

 

 

 

 

 

 

 

[56: Clear] is valid for the second TxD byte or later. All commands back to the first byte are cleared.

When [02: Error] occurs, [41: ClearError] is valid. The previous command (one byte) is cleared.

[40: Enter] has no effect.

B6: Rev Shuttle Key

Basic/JVC-1 Table

Shuttle search playback in the reverse direction.

Specify the Fwd Shuttle Mode. The speed is

specified by the second byte.

Specify the adjustment speed.

TxD

B6

3*

 

RxD

 

0A

0A

The second TxD byte consists of numeric data and is expressed with “30”, “31”, “32” ... “38”, “39”, “3A”, “3B” and “3C”.

When invalid data is received, the VCR returns “02: Error”.

The speeds corresponding to each value are shown below.

C0: Auto Edit Key

Basic Table

Executes Auto Edit on the VCR.

 

The editing channel must be selected with [E5/ E9: Edit Preset].

Use with [FA: Rec Request].

Set the preroll time with [E6: Preroll Time Preset].

When preroll time is not specified, the VCR’s menu setting is used.

The VCR returns [01: Complete] after Auto Edit is complete.

[0B: NAK] is returned to the player.

TxD

FA

C0

 

RxD

0A

0A

01

C1: Preview Key

 

Basic Table

Execute Preview on the VCR.

The editing channel must be selected with [E5/ E9: Edit Preset].

Use with [FA: Rec Request].

Set the preroll time with [E6: Preroll Time Preset].

When preroll time is not specified, the VCR’s menu setting is used.

The VCR returns [01: Complete] after Preview is complete.

[0B: NAK] is returned to the player.

TxD

FA

 

C1

 

RxD

 

0A

0A

01

C2: Review Key

 

 

Basic Table

Execute Review on the VCR.

 

[C0: Auto Edit] must be complete.

Set the preroll time with [E6: Preroll Time Preset].

When preroll time is not specified, the VCR’s menu setting is used.

The VCR returns [01: Complete] after Review is complete.

[0B: NAK] is returned to the player.

TxD

C2

 

RxD

0A

01

C4: Full EE On

Basic/JVC-1 Table

Checks VCR’s input signals.

TxD

C4

 

RxD

 

0A

The VCR returns [0B: NAK] to the player.

C5: EE Off

 

Basic/JVC-1 Table

13 RS-232C protocol

13-2 RS-232C Commands

CA: Rec Key

 

 

Basic/JVC-1 Table

Recording

 

 

 

Use with [FA: Rec Request].

TxD

FA

CA

 

 

RxD

0A

 

0A

 

The VCR returns [0B: NAK] to the player.

CB: Rec Pause Key

 

Basic/JVC-1 Table

Recording is paused.

 

Use with [FA: Rec Request].

TxD

FA

CB

 

 

RxD

0A

 

0A

 

The VCR returns [0B: NAK] to the player.

CE: Edit On Key

 

 

Basic Table

The channel selected with [E5: Edit Preset] is

engaged in the Edit mode.

Use with [FA: Rec Request].

TxD

FA

CE

 

 

RxD

0A

 

0A

 

The VCR returns [0B: NAK] to the player.

CF: Edit Off Key

 

 

Basic Table

Stops the editing operation.

The VCR enters the Play mode after editing is

complete.

 

 

 

TxD

CF

 

 

 

RxD

0A

 

 

 

The VCR returns [0B: NAK] to the player.

D1: Device Type Request

JVC-1 Table

Returns the model name of the connected VCR.

TxD

D1

 

 

 

RxD

**

**

**

**

Uses ASCII code to express “0” to “9”, “a” to “z”, and “space”.

For example, d = “64”, 9 = “39”, 5 = “35” and space = “20” for the BR-D95.

D3: Memory SwitchSense

JVC-1 Table

Recalls menu switch content.

TxD

D3

**

 

RxD

0A

**

**

Refer to “Menu Switch setting” to find out more about menu switch contents.

Specify the address data you want to recall with the second TxD byte.

The corresponding addresses are as follows.

31: Audio-7 information

80: TimeCode-1 information

81: TimeCode-2 information

79: TimeCode-3 information

77: TimeCode-4 information

78: TimeCode-5 information

82: OnScreen-1 information

83: OnScreen-2 information

84: TBC information-1

86: TBC information-3

The third and fourth RxD bytes express indi- vidual bit information (Data1/Data2) for the specified address.

When invalid data is received, the VCR returns “02: Error”.

Auxiliary commands

When [02: Error] occurs, [56: Clear] is valid. All commands back to the first TxD byte are cleared.

When [02: Error] occurs, [41: ClearError] is valid. The previous command (one byte) is cleared.

[40: Enter] is invalid.

D4: Tape Remain Sense

 

JVC-1 Table

Recalls remaining tape time information.

TxD

D4

 

 

 

 

RxD

 

3*

 

3*

3*

 

 

1H

 

10M

1M

D6: Preroll Time Sense

 

 

Basic Table

Shows the preroll time setting.

The VCR returns the value set by [E6: Preroll Time

Preset] or the value set with the VCR’s menu.

TxD

D6

 

 

 

 

RxD

 

3*

 

3*

 

 

 

10S

 

1S

 

D7: Status Sense

 

 

 

Basic/JVC-1 Table

Shows the VCR status.

 

 

TxD

D7

 

 

 

 

RxD

**

**

**

**

**

For an explanation of the meaning of each bit, refer to “Sense command details”.

D8: Current TC Sense

 

Basic/JVC-1 Table

Shows the current TC time data.

 

TxD

D8

 

 

 

 

RxD

 

3*

3*

3*

3*

 

 

10H

1H

10M

1M

 

3*

3*

3*

3*

 

 

10S

1S

10F

1F

 

Values after the first RxD byte from 0 to 9 are

Data

30

31

32

33

34

35

36

37

38

Speed

Still

0.03 0.09 0.20

0.50

1

2

4

6

 

39

3A

 

 

 

 

 

 

 

 

10

17 or 32

 

 

 

 

 

 

Auxiliary commands

 

 

 

 

 

 

[56: Clear] is valid for the second TxD byte or later. All commands back to the first byte are cleared.

When [02: Error] occurs, [41: ClearError] is valid. The previous command (one byte) is cleared.

[40: Enter] has no effect.

Releases EE check.

 

TxD

C5

 

RxD

0A

 

C8: Select EE On

Basic Table

Checks the input signals to the editing channel

selected by [E5/E9: Edit Preset].

 

TxD

C8

 

RxD

0A

 

The VCR returns [0B: NAK] to the player.

C9: EE Off

 

Basic Table

Releases EE check.

 

TxD

C9

 

RxD

0A

 

01

:Servo/System-1 information

10

:System-3 information

40

:System-5 information

89

:System-7 information

87

:System-9 information

91

:System-11 information

94

:System-14 information

0a

:Video information-2

0c

:Video information-4

1b

:Video-6 information

1e

:Video-8 information

0f

:Video-10 information

1d

:Video-12 information

06

:Audio-3 information

03

:Audio-5 information

08

:System-2 information

20

:System-4 information

88

:System-6 information

90

:System-8 information

09

:System-10 information

92

:System-12 information

0b

:Video information-3

0d

:Video-5 information

0e

:Video-7 information

1c

:Video-9 information

1f

:Video-11 information

05

:Audio-2 information

07

:Audio-4 information

30

:Audio-6 information

expressed in ASCII code.

D9: Current CTL Sense

 

Basic/JVC-1 Table

Shows the current CTL time data.

 

TxD

D9

 

 

 

 

RxD

 

3*

3*

3*

3*

 

 

10H

1H

10M

1M

 

3*

3*

3*

3*

 

 

10S

1S

10F

1F

 

Values after the first RxD byte from 0 to 9 are expressed in ASCII code.

The most significant bit at 10H expresses

“minus”.

128

129

Page 65
Image 65
JVC BR-D95U B6 Rev Shuttle Key, C0 Auto Edit Key, Executes Auto Edit on the VCR, C1 Preview Key Basic Table, C4 Full EE On