Connecting a PC, RS-232C port specifications

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)

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	9


1	0	0


0	0	5	5

When “?” is input for some commands, the present setting value responds.

? ? ? ?

Response code format

Normal response

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







Return code (0DH)

Problem response (communication error or incorrect command)

E R R

Return code (0DH)

Command four digits: Command. The text of four characters.

Parameter four digits: Parameter 0_9, blank, ?, minus

Return code (0DH): ?

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LC-40LE600E, LC-32LE600E, LC-46LE600E specifications

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