Connecting to a Computer

Computer Control of the Display

•When a program is set, the display can be controlled from the computer using the RS-232C terminal. The input signal (computer/video) 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 communications settings on the computer to match the display’s communications conditions.

The display’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 computer via the RS-232C connector.

The display operates according to the received command and sends a response message to the compu- ter.

Do not send multiple commands at the same time. Wait until the computer receives the OK response before sending the next command.

Command format

 

C1

C2

C3

C4

 

P1

P2

P3

P4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command 4-digits

 

Parameter 4-digits Return code (0DH)

Response code format

Normal response

O K

Return code (0DH)

Problem response (communication error or incorrect command)

E R R

Return code (0DH)

Connectinga to Computer

31 US