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Connecting a PC
RS-232C port specifications
PC Control of the TV
•
When a programme is set, the TV can be controlled
from the PC using the RS-232C terminal. The input
signal (PC/video) can be selected, the volume
can be adjusted and various other adjustments
and settings can be made, enabling automatic
programmed playing.
•
Use an RS-232C serial control cable (cross type)
(commercially available) for the connections.
NOTE
•
This operation system should be used by a person who is
accustomed to using PCs.
RS-232C serial control cable
(cross type)
Communication conditions
Set the RS-232C communications settings on the PC
to match the TV's communications conditions. The
TV's communications settings are as follows:
Baud rate:
9,600 bps
8 bits
Data length:
Parity bit:
None
Stop bit:
1 bit
Flow control:
None
Communication procedure
Send the control commands from the PC via the RS-
232C connector.
The TV 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
Command four-digits
Command four-digits: Command. The text of four
characters.
Parameter four-digits: Parameter 0–9, blank, ?
Downloaded From TV-Manual.com Manuals
P4
Parameter four-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").
0
0
0
0
9
–
3
0
1
0
0
0
0
5
5
When "?" is input for some commands, the present
setting value responds.
?
?
?
?
Response code format
Normal response
O
K
Return code (0DH)
Problem response (communication error or incorrect
command)
E
R
R
Return code (0DH)
After sending the return code (0DH), make sure to
send the line feed (0AH) as well.
?
41
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