Sanyo VZU-485 Instruction Manual page 11

RS232C (RF4QR/NA GB Operation Board)
Fri. Sept., 06/2002
COMMANDS (RS-232C/RS-485)
Other Commands
ENTER (40H)
œ Sent after send all numerical values commands,
this command is used to indicate the end of the
input.
CLEAR (56H)
œ To clear all commands.
œ To cancel an error state.
CLEAR ERROR (41H)
œ To clear the last input (sent) numerical value
command.
œ To cancel an error state.
Return Code
ACK (0AH)
œ Returned by the VCR to indicate it has received
the command.
RXD
TXD 0A
NOT TARGET (05H)
œ Returned if during a search or scan mode the
tape has been completely rewound or advanced
without finding the desired target point. Also
returned when the mode is canceled.
RXD
TXD 0A 05
COMPLETION (01H)
œ Returned when the target point is found after a
search or scan operation.
œ Returned every time a recorded alarm is found
during a scan operation.
RXD
TXD 0A 01
ERROR (02H)
œ When a command of more than 2 bytes cannot
be received past the second byte by the VCR, it
will return an ERROR (02H) to indicate that the
command is not received. Any other command
send after an ERROR (02H) will not be received.
However, the VCR status will be returned. To
cancel this state, sent the CLEAR ERROR (41H)
or CLEAR (56H) command.
RXD 40
TXD 0A 02
NAK (0BH)
œ Response when an undefined (or non existent)
command is sent.
RXD
TXD 0B
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