Sharp LC-70LE740RU PC control of the TV, Communication conditions for IP, IP Control setup

Connecting a PC

PC control of the TV

•When a programme is set, the TV can be controlled from the PC using RS-232C or IP. 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), ETHERNET cable (commercially available) or wireless LAN USB adapter for the connections.

NOTE

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

Communication conditions for IP

LAN

ETHERNET cable (commercially available)

Connect to the TV with the following settings made for IP on the PC.

IP protocol	TCP/IP
Host IP address	Set the IP address on the TV
	menu
Service	None (Do not select Telnet
	or SSH)
TCP port#	Set a port number on the TV
	menu (Control port)

When you set your ID and password on the TV menu, you need to enter them as soon as you connect to the TV.

NOTE

•The connection will be cut off when there has been no communication for 3 minutes.

IP Control setup

1Go to “HOME” > “IP Control” > select “Change”.

2To use IP Control, select “Enable”.

3Set the device name.

4Set your login ID and password.

5Set the port to use with IP Control.

6Confirm the settings, and then press “OK”.

Communication conditions for RS-232C

RS-232C serial control cable (cross type)

(commercially available)

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

n o p

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	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			Problem response
			(communication error or
			incorrect command)
	O	K		E	R	R
Return code (0DH)				Return code (0DH)

55