LC-28HM2E (serv.man15) - Sharp TV User Guide / Operation Manual. Page 33

• 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.

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

Set the RS-232C communications settings on the computer to match the display’s communications
conditions.
The display’s communications settings are as follows:

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.

Normal response

Problem response (communication error or incorrect command)

Baud rate

9,600 bps

Data length

8 bits

Parity bit

None

Stop bit

1 bit

Flow control

None

Parameter 4-digits

C1 C2 C3 C4 P1

P2

P3

P4

O

K

R

E

R

Command 4-digits

Return code (0DH)

Return code (0DH)

Return code (0DH)