3 commands – JVC VR-510U Manuel d'utilisation
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Commands
Description
BEH
DATE SENSE: Returns current settings for month, day,
and year.
BFH
TIME SENSE: Returns current settings for hour, minutes
and seconds.
D0H
HDD FORMAT SENSE: Returns hard disk format
information.
D1H
DEVICE TYPE: Returns the connected device type.
D2H
HOUR METER SENSE: Returns the hour meter.
D4H
REMAIN SENSE: Returns the remaining capacity.
D5H
PL/AL COUNT SENSE: Returns the number of PL/AL.
1 byte
Status details
00H
Not defined
01H
Standard format
02H
Extension format
Commands
Description
D6H
VR STATUS SENSE: Returns DVR-related status.
95H
PL RESET: Resets the PL memory and the PL number.
F6H
JVC TABLE ON: Enables JVC TABLE 1. JVC TABLE 1 is
maintained until F7H command is output.
F7H
BASIC TABLE ON: Enables BASIC TABLE.
FAH
REC/DUB REQUEST: This command is sent before
sending REC/UTILITY command.
FBH
VTR/DVR INQ
Returns ACK to check that the connected device is DVR.
1 byte
Bit
Status details
7
6
Not defined
Always outputs “0”.
5
Not defined
Always outputs “0”.
4
Not defined
Always outputs “0”.
3
2
1
JVC TABLE 1
Returns “1” when JVC
TABLE 1 is open.
0
LOCAL
Always outputs “0”.
2 byte
Bit
Status details
7
ScanDisk
Returns “1” when the disk
is being scanned.
6
5
Format
Returns “1” when the disk
is being formatted.
4
HddFull
Returns “1” with HDD FULL.
3
TrackFull
Returns “1” with track
full.
2
1
SensorRec
Returns “1” during sensor
recording.
0
AlarmRec
Returns “1” during alarm
recording.
3 byte
Bit
Status details
7
Not defined
Returns “0”.
6
Not defined
Returns “0”.
5
Not defined
Returns “0”.
4
Cam in
Returns “1” with camera
input.
3
Not defined
Returns “0”.
2 ~ 0
PB CAM/MONI CAM
10-3 Commands
10 RS-232C INTERFACE (contd.)
Month Day Year
BEH
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
TXD
RXD
Hour Minutes Seconds
BEH
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
TXD
RXD
D0H
%%
H
TXD
RXD
5 1 0
U
D1H
35H
31H
30H
55H
TXD
RXD
6 5 4
3 2 1
D2H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
TXD
RXD
100 10 1
D4H
3
%
H
3
%
H
3
%
H
TXD
RXD
9 8 7
6 5 4
ALARM
D5H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
3
%
H
TXD
RXD
D6H
%%
H
%%
H
%%
H
TXD
RXD
1 st byte 2nd byte 3rd byte
3 2 1
POWER LOSS
3
%
H
3
%
H
3
%
H
TXD
RXD
1st byte