Commands (Rs-232C/Rs-485) - Sanyo VZU-485 Instruction Manual

RS232C (RF4QR/NA GB Operation Board)
Fri. Sept., 06/2002

COMMANDS (RS-232C/RS-485)

The received/transmitted (RXD/TXD) signal diagram is
indicated as seen from the VCR side.
Note: Some commands consist of only a single byte.
The input/output signals for commands that are
complete with a single byte are as follows.
TXD
RXD 0A
The input/output signal diagrams for commands that
are complete with a single byte have been omitted from
the following descriptions, except for return codes.
Cautions Concerning the RS-232C Use
Before using the commands, follow the procedure
below.
Send the T/L TABLE ON command (F6H) to the VCR.
The VCR will respond with ACK (0AH).
The VCR will be in the command receive mode until the
T/L TABLE OFF command (F7H) is sent.
Cautions Concerning the RS-485 Use
œ When a group number is set, if it does not match the
group number, it will not operate.
Commands to Operate the VCR
The following commands are completed in 1 byte.
The VCR will respond with ACK (0AH). Confirm that
ACK (0AH) is returned before sending the next
command.
POWER ON/OFF (7BH)
œ To turn the power ON/OFF.
PLAY (3AH)
œ To start playback.
œ If sent during recording, will start recording check
mode.
STILL/PAUSE (4FH)
œ If sent during playback, will start still mode.
œ If sent during recording, will start recording pause
mode.
STOP (3FH)
œ To go to stop mode.
FF (ABH)
œ To start fast-forward mode.
œ If sent during playback, will start forward picture
search mode.
œ If sent during still mode, will advance of 1 image
(field).
œ If sent after the command to set alarm search
mode, alarm scan or day/time search, will start
the search or scan in the forward direction.
REW (ACH)
œ To start rewind mode.
œ If sent during playback, will start reverse picture
search mode.
œ If sent during still mode, will go back 1 image
(field).
œ If sent after the command to set alarm search
mode, alarm scan or day/time search, will start
the search or scan in the reverse direction.
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