10. OPTIONAL SA-K97U RS-232C INTERFACE BOARD

 

 

 

 

 

 

(9) STATUS SENSE (D7H)

 

 

: The VCR will return current status information in 5 bytes.

 

 

 

 

 

 

 

 

 

1st byte

 

 

 

 

 

 

 

BIT

 

 

Status when BIT is “1”.

 

 

0

Error

 

 

Indicates that an illegal command has been received. No further commands will be accepted.

 

 

 

 

 

 

To restore to normal operation, transmit CLEAR ERROR (41H) to the VCR.

 

 

1

Not defined

 

 

Always 0.

 

 

 

2

Not defined

 

 

Always 0.

 

 

 

3

Cassette out

 

 

The tape has not been loaded.

 

 

4

REC inhibit

 

 

A tape with no safety tab has been loaded. In this case, no recording commands

 

 

 

 

 

 

will be accepted.

 

 

5

Not defined

 

 

Always 0.

 

 

 

6

Not defined

 

 

Always 0.

 

 

 

7

Not defined

 

 

Always 1.

 

 

 

 

 

 

 

 

 

 

 

2nd byte

 

 

 

 

 

 

 

BIT

 

 

Status when BIT is “1”.

 

 

0

Tape End

 

 

Tape end sensor is detected.

 

 

1

Tape Begin

 

 

Tape begin sensor is detected.

 

 

2

Not defined

 

 

Always 0.

 

 

 

3

Warning

 

 

VCR malfunction.*

 

 

4

Not defined

 

 

Always 0.

 

 

 

5

Not defined

 

 

Always 0.

 

 

 

6

A EE Mode

 

 

An externally-input audio signal is being output.

 

 

7

V EE Mode

 

 

An externally-input video signal is being output.

 

 

 

 

 

 

 

 

 

 

3rd byte

 

 

 

 

 

 

 

BIT

 

 

Status when BIT is “1”.

 

 

0

Not defined

 

 

Always 0.

 

 

 

1

Search Mode

 

 

Search is in progress. (VISS)

 

 

2

Repeat Mode

 

 

Repeat recording/playback is in progress.

 

 

3

Not defined

 

 

Always 0.

 

 

 

4

Repeat

 

 

VCR’s REPEAT REC switch is set to ON.

 

 

5

Not defined

 

 

Always 0.

 

 

 

6

Timer REC ON

 

 

VCR’s TIMER button is set to ON.

 

 

7

Not defined

 

 

Always 0.

 

 

 

 

 

 

 

 

 

 

 

4th byte

 

 

 

 

 

 

 

BIT

 

 

Status when BIT is “1”.

 

 

0

Not defined

 

 

Always 0.

 

 

 

1

REC Mode

 

 

VCR is in the Record mode.

 

 

2

Eject

 

 

A cassette is being ejected.

 

 

3

Not defined

 

 

Always 1.

 

 

 

4

Stop Mode

 

 

VCR is in the Stop mode.

 

 

5

REW Mode

 

 

VCR is in the Rewind mode.

 

 

6

FF Mode

 

 

VCR is in the Fast-Forward mode.

 

 

7

Play Mode

 

 

VCR is in the Play mode.

 

 

 

 

 

 

 

 

 

 

5th byte

 

 

 

 

 

 

 

BIT

 

 

Status when BIT is “1”.

 

 

0

Speed Code 0

 

 

VCR’s current tape running mode. See below.

 

 

1

Speed Code 1

 

 

VCR’s current tape running mode. See below.

 

 

2

Speed Code 2

 

 

VCR’s current tape running mode. See below.

 

 

3

Speed Code 3

 

 

VCR’s current tape running mode. See below.

 

 

4

Shuttle REV

 

 

Reverse search is in progress.

 

 

5

Shuttle FWD

 

 

Forward search is in progress.

 

 

6

Not defined

 

 

Always 0.

 

 

 

7

Pause Mode

 

 

VCR is in the Pause mode.

 

 

 

 

 

Contents of 5th byte BIT 0/1/2/3 “Speed Code”

 

 

Speed Code

3

2

1

0

 

 

 

 

BIT

0

0

0

0

Still

 

 

 

 

0

0

0

1

Timelapse playback

 

 

 

 

0

1

0

1 Timelapse recording/6H (EP) playback

 

 

 

 

1

0

0

1

Search(X13 or X21)

 

 

 

 

 

 

 

 

 

 

*When an error occurs in the VCR and the Warning mode is engaged, the third bit of the second byte sent back with the STATUS SENSE (D7H) is set to “1”, showing the warning status.

In this case, release the warning via the RS-232C with the CLEAR (56H). To release it on the VCR, turn the [OPERATE] button off and on again.

(10) ALARM INPUT (06H)

: SR-9168U return code

 

This is returned when an alarm signal is input during recording.

50

Page 50
Image 50
JVC SR-9168U appendix 4th byte, Contents of 5th byte BIT 0/1/2/3 Speed Code