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Appendix
r
41
RS-232C port specifications
RS-232C port specifications
PC Control of this Player
When a program is set, this Player can be controlled from
the PC using the RS-232C terminal.
The power can be turned on or off (standby) and automatic
programed playback is possible.
Use an RS-232C cable cross-type (commercially available)
for the connections.
NOTE
This operation system should be used by a person who is
accustomed to using PCs.
•
Communication conditions
Set the RS-232C communications settings on the PC to
match this player’s communications conditions. This player’s
communications settings are as follows:
Baud rate:
9,600 bps
Data length:
8 bits
Parity bit:
None
Stop bit:
1 bit
Flow control:
None
Communication procedure
Send the control commands from the PC via the RS-232C
connector.
This Player operates according to the received command and
sends a response message to the PC.
Do not send multiple commands at the same time. Wait until
the PC receives the OK response before sending the next
command.
Make sure to send “A” with the carriage return and confirm
that “ERR” returns before operating.
Command format
Eight ASCII codes eCR
C1 C2 C3 C4 P1 P2 P3 P4
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, blank
•
•
Command 4-digits Parameter 4-digits Return code
Parameter
Input the parameter values, aligning left, and fill with blank(s)
for the remainder. (Be sure that four values are input for the
parameter.)
When the input parameter is not within an adjustable range,
“ERR” returns. (Refer to “Response code format”.)
Response code format
Normal response
Problem response (communication error or incorrect
command)
After sending the return code (0DH), make sure to send line
feed (0AH) as well.
RC-232C command list
CONTROL ITEM COMMAND PARAMETER
POWER ON P O W R 1 _ _ _
POWER OFF P O W R 0 _ _ _
PLAY D P L Y _ _ _ _
STOP D S T P _ _ _ _
FWD DFWD____
REV DREV____
Return code (0DH)
Return code (0DH)
RS-232C serial control cable
(cross type)
1
OK
ERR
Appendix
BD-HP50U_en.indd 41BD-HP50U_en.indd 41 2008/07/17 19:58:572008/07/17 19:58:57