Commands
Commands
Data Format
RS-232C
The data format is as follows:
Mode
Character length
Baud rate
Parity check
Stop bit
The baud rate (data transmission speed) can be
selected using the RS-232C/RS-485 SET menu (
) of the recorder.
60(GB)
Communication protocol
The communication is based on 1-byte units. When the
computer has transmitted 1 byte, it will wait for a
response from the recorder, then send the next.
The response from the recorder consists of 1 byte or
more.
Note on RS-232C communication
To initiate command operation, send RS-232C TABLE
ON (F6H) to the recorder.
The recorder will respond with ACK (0AH).
The recorder will accept commands until you send RS-
232C TABLE OFF (F7H) to end command operations.
RS-485
The data format is as follows:
Mode
Character length
Baud rate
Parity check
Start bit
Stop bit
Transmission line: 2 conductors
Transmission system: Half duplex
The baud rate (data transmission speed) can be
selected using RS-232C/RS-485 SET (
the recorder.
80
(GB)
Asynchronous
8 bits
2400, 4800, 9600 or 19200
None
1 bit
page
Asynchronous
8 bits
2400, 4800, 9600 or 19200
None
1 bit
1 bit
) of
page 60(GB)
Note on RS-485 communication
• If the address set using the RS-232C/RS-485 SET
menu (
) of the recorder is not correct, the
page 60(GB)
recorder will not operate.
• When a group number is set, if it does not match the
group number of the recorder, the recorder will not
operate.
Regular Commands
For the commands discussed below, the recorder
always respond with ACK (0AH) or NAK (0BH)
(except in broadcast transmission).
RS-232C commands
RS-232C TABLE ON (F6H)
Starts RS-232C control.
RS-232C TABLE OFF (F7H)
Ends RS-232C control.
RS-485 commands
RS-485 TRANS START (FDH)
Starts RS-485 control.
RS-485 RCV CHK (FEH)
Checks whether the unit is ready to receive RS-485
commands.
RS-232C/RS-485 commands
PLAY (3AH)
Starts playback.
STOP (3FH)
Stops playback.
SEARCH (4AH)
Displays the SEARCH menu when the recorder is in
Recording mode or Stop status.
PAUSE (4FH)
Sets the recorder to Still-Picture mode from Playback
mode.
SHIFT ← (53H)
Functions the same as counterclockwise rotation of the
Shuttle dial on the recorder.