Filter
Top Products
89
❈
Example of CLEAR ERROR
Specify the cue-up point at 1:10:10:25.
The specified data after the CUE UP WITH
DATA command is invalid. Correct it with the
CLEAR ERROR command.
● Information gathering (sense) commands
These commands are used to check the VCR
operation status.
When a command corresponding to requested
information is received by the VCR, data is re-
turned in 1-byte packets. The number of bytes
returned differs depending on the command.
TxD
B2
RxD
0A
30
0A
31
0A
31
0A
30
0A
31
0A
30
0A
33
0A
41
0A
32
0A
35
0A
CLEAR ERROR
01
10
10
25
Input error
J1
J1
J1
B
72
BE
BF
D1
D4
D6
D7
ROM VERSION :
For checking the RS-232C interface-
related ROM version. 3-byte data is
returned.
DATA SENSE :
For checking the VCR’s date data. The
data is returned in order of month, date
and year. During playback, the time
data on the tape is returned.
TIME SENSE :
For checking the VCR’s time data. The
data is returned in order of hour,
minute and second. During playback,
the time data on the tape is returned.
DEVICE TYPE :
For checking the device type.
D: 44h, V:56h, 6:36h, K:4Bh
TAPE REMAIN SENSE :
For checking the tape remaining time.
3-byte data is returned showing the
hour (one’s place) and minutes (ten’s
place and one’s place).
PREROLL SENSE :
For checking the preroll time. 2-byte
data is returned showing the seconds
(ten’s place and one’s place).
STATUS SENSE :
For checking the status. Refer to STA-
TUS SENSE. (☞ Page 90)
B
B
B
D8
D9
DA
DB
DC
DD
FB
CURRENT TC SENSE :
For checking the time code data. The
data is returned in the order of hour,
minute, second and frame. Effective
when the counter mode is set to TC.
CURRENT CTL SENSE :
For checking the CTL data. The up-
permost digit shows positive or
negative.Effective when the counter
mode is set to CTL.
IN DATA SENSE :
For checking the edit-in position. The
data is returned in the order of hour,
minute, second and frame.
OUT DATA SENSE :
For checking the edit-out position. The
data is returned in the order of hour,
minute, second and frame.
CURRENT TC UB SENSE :
For checking the user’s bit data. Data
A from F is represented with ASCII
code 41h to 46h. Effective when the
counter mode is set to UB.
JVC STATUS SENSE :
For checking the status. Refer to JVC
STATUS SENSE. (
☞
Page 91)
VTR IND :
For checking VCR connection.
Table Command Description Table Command Description
88
RS-232C INTERFACE
– RS-232C commands – (continued)
B
B
B
C2
C4
C5
C8
C9
CA
CB
CC
CD
E2
FA
REVIEW KEY :
Review with the VCR
• It is required that [C0: Auto Edit] is
complete.
• Preroll time can be set with [E6:
Preroll Time Preset]. Without this
setting, the VCR menu switch set-
tings are followed.
• Upon the completion of review, the
VCR returns [01: Complete].
Full EE mode ON
Full EE mode OFF
SELECT EE ON :
Input signal check for the editing chan-
nel selected in [E5: Edit Preset].
SELECT EE OFF :
EE check release.
REC :
Recording. This command is transmit-
ted after transmitting REC REQUEST.
REC PAUSE:
Record pause. This command is trans-
mitted after transmitting REC RE-
QUEST.
A.DUB :
Audio dubbing. This command is trans-
mitted during playback after transmit-
ting REC REQUEST.
A.DUB PAUSE :
Audio dubbing pause. This command
is transmitted during audio dubbing
after transmitting REC REQUEST.
COUNTER RESET :
Counter reset
REC/DUB RESET :
Recording request. (Use this com-
mand with a recording command).
● Return commands from the VCR
When the VCR received commands properly, it returns
the following commands.
01
03
05
0A
COMPLETION :
The VCR outputs this command when the
operation specified with Cue Up with Data,
Preroll, Auto Edit, etc. is complete.
CASSETTE OUT :
The VCR outputs this command when RS-
232C ejected the tape.
NOT TARGET :
The VCR outputs this command when the
operation specified with Cue Up with Data/
Preroll failed to be completed.
ACK :
This command is returned when a defined
command is received.
● Error commands
These are commands that are returned when trans-
mitted data cannot be received by the VCR properly.
Commands that release errors are also available.
02
41
56
0B
ERROR :
This command is returned when the
VCR receives an invalid command after
the second byte of a multi-byte
command. In this case, even if other
commands are sent continuously, no
command can be accepted. However,
status sense codes can be received.
To release errors, use the following
commands.
ERROR CLEAR :
Clears the last transmitted byte. Also
use this command to release errors.
CLEAR :
Cancels whole commands. Also use
this command to release errors.
NAK :
Returned when the VCR receives an
undefined command for the first byte or
a command specifying a function not
available for the VCR. Releasing the
error with the CLEAR command is not
necessary. Send the correct command.
Table Command Description
Command Description
Command Description