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11 RS-232C INTERFACE
Commands
Description
B6
R-SHUTTLE
Shuttle reverse play. The search speed is specified by sending the speed code data
after this command (see the table above).
C4
FULL EE ON
Full EE mode ON
C5
FULL EE OFF
Full EE mode OFF
CA
REC
Record. Transmit this command after transmitting REC DUB REQUEST.
CB
REC PAUSE
Record pause. Transmit this command after transmitting REC DUB REQUEST.
CC
A. DUB
Audio dubbing. Transmit this command during playback after transmitting REC DUB
REQUEST.
CD
A. DUB PAUSE
Audio dubbing pause. Transmit this command during audio dubbing after transmit
ting REC DUB REQUEST.
E2
COUNTER RESET
Counter reset
FA
REC REQUEST
Recording request (use with the recording-related command).
Information gathering (sense) commands
These commands are used to check the VCR operation conditions.
When a command requesting information is received by the VCR, data is returned in 1-byte packets corresponding to the
information requested. The number of bytes returned differs depending on the command.
Commands
Description
72
ROM VERSION
Use to check the RS-232C interface-related ROM version. 3-byte data is returned.
BE
DATE SENSE
Use to check the VCR’s date data. The data is returned in order of month, day and
year. During playback, the time data on the tape is returned.
BF
TIME SENSE
Use to check the VCR’s time data. The data is returned in order of hour, minute and
second. During play, the time data on the tape is returned.
D1
DEVICE TYPE
Use to check the device type. D:44h, V:55h, 6:36h, 0:30h
D4
TAPE REMAIN SENSE
Use to check the tape remaining time. 3-byte data is returned showing the hour (ones
place) and minutes (tens place and ones place).
D5
SSF DATA SENSE
Use to check the Super Scene Finder data.
D6
PREROLL TIME SENSE
Use to check the preroll time. 2-byte data is returned showing the seconds (tens
place and ones place).
D7
STATUS SENSE
Use to check the status. Refer to the contents of the STATUS SENSE.
D8
CURRENT TC SENSE
Use to check the time code data. The data is returned in the order of hour, minute,
second and frame.
D9
CURRENT CTL SENSE
Use to check the CTL data. The uppermost digit shows plus or minus.
DC
CURRENT TC UB
Use to check the user bits data. Data A from F is expressed with
SENSE
ASCII code 41h to 46h.
DD
JVC STATUS SENSE
Use to check the status. Refer to JVC STATUS SENSE for details.
FB
VTR IND
Use to check the VCR connection.
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Setting (preset) commands
These commands activate various settings on the VCR. When a command is sent, the corresponding setting is activated.
Commands
Description
E0
TC DATA PRESET
Use to preset the time code data. To set, transmit the time data following this
command. Specify the time in order of hour, minute, second and frame, using two
digits for each item. When ENTER (40h) is transmitted before all digits have been
transmitted, the time code data can be specified by entering digits from the
uppermost digit.
Set the VCR’s [REMOTE] switch to “REMOTE”.
E1
TC UB DATA PRESET
Use to preset the user bits.
E6
PREROLL TIME
Use to set the preroll time. Specify this by transmitting 2-byte data following this
PRESET
command. First byte for ten place and second byte for one place.
E7
TIMER MODE SELECT
Use to select the counter mode. Following this command, send data (1 byte)
corresponding to the counter mode.
8E
DATE PRESET
Use to set the date. Following this command, send 6-byte numeric data. Specify the
month, day and year in order with two digits for each.
8F
TIME PRESET
Use to set the date. Following this command, send 6-byte numeric data. Specify the
hour, minute and second in order with two digits for each.
High
Low
Counter mode
3
1
TC
(fixed)
2
CTL
5
UB
11 RS-232C INTERFACE