RS-485 Commands
GROUP SET (6CH)
Divides into groups (puts group numbers). In response
to this command, the VCR returns the group number
by 2 bytes.
Example: Setting to the group 5
TXD
6C
20
RXD
0A
GROUP CHECK (6DH)
Returns the group number.
Example: When the group number is 2
TXD
6D
RXD
0A
GROUP CLEAR (6EH)
Clears the group number. In response to this
command, the VCR returns the group number by 2
bytes.
Example: When the group number is 8
TXD
6E
00
RXD
0A
SET ON (7CH)
Turns on the VCR no matter if it is turned on or off.
TXD
7C
RXD
SET OFF (7DH)
Turns off the VCR no matter if it is turned on or off.
TXD
7D
RXD
00
0A
0A
00
01
0A
0A
0A
0A
RS-485 Return Commands
When the RS-485 connector is used and you operate
on the VCR, the VCR automatically returns a status
information of 2 bytes.
TXD
RXD
BE/BF
First byte: Header (BEH or BFH)
Second byte: Status information
When first byte is BFH
Bit 0, 1, 2, 3, 4: displays what mode the VCR is in.
0,0,0,0,0: no change
1,0,0,0,0: the VCR is turned on without a tape.
0,1,0,0,0: the VCR is turned off without a tape.
1,1,0,0,0: the VCR is turned on with a tape inserted.
0,0,1,0,0: the VCR is turned off with a tape inserted.
1,0,1,0,0: the VCR is in timer recording standby mode.
0,1,1,0,0: the VCR is playing back still picture.
1,1,1,0,0: the VCR is in recording pause mode.
0,0,0,1,0: the VCR is playing back a tape.
1,0,0,1,0: the VCR is recording.
0,1,0,1,0: the VCR is playing back a tape in reverse
direction.
1,1,0,1,0: the VCR is fast-forwarding during playback
(CUE).
0,0,1,1,0: the VCR is rewinding during playback
(REVIEW).
1,0,1,1,0: the VCR is fast-forwarding a tape.
0,1,1,1 0: the VCR is rewinding a tape.
1,1,1,1,0: the VCR is playing back frame by frame.
0,0,0,0,1: the VCR is playing back frame by frame in
reverse direction.
Bit 5, 6: displays when the VCR starts or ends the
alarm recording.
0,0: the VCR is in normal mode.
0,1: the VCR starts the alarm recording.
1,0: the VCR ends the alarm recording.
Bit 7: indicates warning.
1: the VCR has a mechanical problem.
0: normal
55
(GB)