Read Sharp LC-32LE430E (serv.man2) User Guide / Operation Manual online
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
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.
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 +CR
C1 C2 C3 C4 P1 P2 P3 P4
Command four digits: Command. The text of four
characters.
Parameter four digits: Parameter 0_9, blank, ?,
minus.
Return code (0DH):
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
5
5
1
0
0
0
0
0
9
0
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)
Connecting external devices
27
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