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9 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 is in progress.
3 Not defined
Always 0.
4 Repeat
VCR's REPEAT REC menu switch is set to ON.
5 Counter
Counter memory is set to ON.
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 PB 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 Rec-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/2H (SP)/6H (EP) playback
1
0
0
0
Search (X7 or X13)
1
0
0
1
Search (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-9090U return code
This is returned when an alarm signal is input during recording.
62
9 OPTIONAL SA-K97U RS-232C INTERFACE BOARD
4 Others (Input data correction/Error cancellation)
These are return codes from the SR-9090U. (Error-related codes only)
(1)
ERROR (02H)
: This is returned when commands of more than 1 byte are transmitted to the VCR and an illegal command is
received in the 2nd byte (or later) of the transmitted command.
In this status, no command can be accepted and only STATUS SENSE will be returned.
To restore normal operation, transmit CLEAR ERROR (41H) or CLEAR (56H) to the VCR.
CLEAR ERROR (41H) : Used to cancel previously-transmitted 1-byte numeric data when inputting
numeric data such as search point. Also used to cancel error status.
CLEAR (56H)
: Clears the whole command. Cancels the current status and stops the VCR. Also
cancels the error status.
Eg : After setting the recording/playback mode to "L24H", 32H is mistakenly transmitted . Cancel 32H with
"41H" and input "33H" instead.
TXD
7EH
30H
RXD
0AH
0AH
(2)
NAK (0BH)
: VCR will return this code when non-defined or non-functional command is received in the 1st byte of the
transmitted command. In this case, it is not necessary to input CLEAR. Check whether the transmitted command
is acceptable to the VCR or not.
3 Commands reference chart
VCR control commands
Page
OPERATE ON/OFF
58
PLAY/REV PLAY
58
STOP
58
FF/REW
58
TIMER ON/OFF
58
OPE ON/OFF
58
EJECT
58
F-FIELD STEP
58
R-FIELD STEP
58
REC CHECK
58
REC/REC PAUSE
58
VISS FWD/REV
58
VISS SEARCH
59
Commands for VCR status verification
Page
Byte returned
from VCR
COUNT CODE
61
4 bytes
DEVICE TYPE
61
4 bytes
VTR INQ
61
1 byte
PL/AL COUNT SENSE
61
6 bytes
HOUR METER SENSE
61
4 bytes
TL STATUS SENSE
61
6 bytes
STATUS SENSE
62
5 bytes
DATE SENSE
61
6 bytes
TIME SENSE
61
6 bytes
32H
41H
33H
40H
Time
0AH
0AH
0AH
0AH
VCR setting commands
Page
5 Recording/playback mode
59
MODE SHIFT
59
MODE
59
5 Timelapse VCR operation mode
59
TL STATUS SET
59
5 Date and time setting
60
DATE SET
60
TIME SET
60
5 Timer programming
60
PRG/CLK
60
SHIFT –/+
60
SET –/+
60
CANCEL
60
5 On-screen setting
60
ON SCREEN ON/OFF
60
ON SCREEN SELECT
60
POS V+
60
POS H+
60
5 Others
60
AL/PL RESET
60
COUNT RESET
60
Return codes from VCR
Page
ACK
58
NAK
63
ERROR
63
CASSETTE OUT
58
COMPLETION
58
NOT TARGET
58
ALARM INPUT
62
Others
Page
JVC TABLE 1 ON/OFF
58
63
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