Appendix

RS-232C port specifications

PC control of the TV

•When a program is set, the TV can be controlled from the PC using the RS-232C terminal. The input signal (PC/AV) can be selected, the volume can be adjusted and various other adjustments and settings can be made, enabling automatic programmed playing.

•Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-Sub RS-232C for the connections.

NOTE

• This operation system should be used by a person who is accustomed to using computers.

Communication conditions

Set the RS-232C communication settings on the PC to match the TV's communication conditions. The TV's communication 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.

Command format

Eight ASCII codes e CR

 

C1

C2

C3

C4

P1

P2

P3

P4

 

 

 

 

Command 4-digits: Command. The text of four characters.

 

 

 

 

 

Parameter 4-digits: Parameter 0 – 9, x, blank, ?

 

 

 

 

 

 

 

 

 

 

 

 

 

Command 4-digits

 

Parameter 4-digits

Return code

Parameter

Input the parameter values, aligning left, and fi ll with blank(s) for the remainder. (Be sure that 4 values are input for the parameter.)

When the input parameter is not within an adjustable range, “ERR” returns. (Refer to “Response code format”.) Any numerical value can replace the “x” on the table.

0

0

0

0

9

When “?” is input for some commands, the present

 

 

 

 

setting value responds.

 

 

 

 

a

3

0

 

 

 

 

 

 

 

 

 

 

 

 

?

 

 

 

 

 

 

 

 

1

0

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

?

?

?

?

 

 

 

 

 

0

0

5

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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