Sharp LC 52SB55U operation manual RS-232C Port Specifications

Appendix

RS-232C Port Specifications

■PC control of the TV

•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.

■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 Parameter 4-digits Return code

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

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

■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				When “?” is input for some
				commands, the
0	0	0	9	present setting value	?
				responds.
a	3	0			?	?	?	?

■Response code format

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

■Command table

• Commands not indicated here are not guaranteed to operate.

CONTROL ITEM		COMMAND				PARAMETER					CONTROL CONTENTS
POWER ON COMMAND SETTING		R	S	P	W	0	_	_	_	Off	The Power On command rejected.
						1	_	_	_	On	The Power On command accepted.
POWER SETTING		P	O	W	R	0	_	_	_	Power Off	It shifts to standby.
						1	_	_	_	Power On	Power On
INPUT SELECTION A	TOGGLE	I	T	G	D	x	_	_	_	(Toggle)	It input-switches by the toggle. (It is the same as an input change key)
	TV	I	T	V	D	0	_	_	_		It input-switches to TV. (A channel remains as it is. (Last memory))
	INPUT1-8	I	A	V	D	*	_	_	_	Input terminal number (1–8)	It input-switches to INPUT1~INPUT8.
INPUT SELECTION B	INPUT 1	I	N	P	1	*	_	_	_	0: Auto, 1: VIDEO, 2: COMPONENT	An input change is also included.
	INPUT 2	I	N	P	2	*	_	_	_	0: Auto, 2: COMPONENT, 3: S-TERMINAL
AV MODE SELECTION		A	V	M	D	*	_	_	_	0: (Toggle), 1: STANDARD, 2: MOVIE, 3: GAME, 4: USER,	Although it can choose now, it is toggle operation in inside.
										5: DYNAMIC (Fixed), 6: DYNAMIC, 7: PC
VOLUME		V	O	L	M	*	*	_	_	Volume (0–60)
POSITION	H-POSITION	H	P	O	S	*	*	*	_		The screen position variable ranges depend on the View Mode or the
	V-POSITION	V P O S				*	*	*	_		signal type. The ranges can be seen on the position-setting screen.
	CLOCK	C	L	C	K	*	*	*	_	Only PC mode. (0–180)
	PHASE	P	H	S	E	*	*	*	_	Only PC mode. (0–40)
VIEW MODE		W	I	D	E	*	_	_	_	0: (Toggle) [AV], 1: Side Bar [AV], 2: S.Stretch [AV]	0: Although it can choose now, it is toggle operation in inside.
										3: Zoom [AV], 4: Stretch [AV], 5: Normal [PC]	1: Only available when 4:3 signal is being input.
										6: Zoom [PC], 7: Stretch [PC],	5, 6: Only available when 4:3 signal is being input.
										8: Dot by Dot [PC] [AV], 9: Full Screen [AV]	8: [PC] Available except when UXGA is being input.
											[AV] Only available when 1080i/p is being input.
											9: Only available when 720p is being input.
MUTE		M	U	T	E	*	_	_	_	0: (Toggle), 1: On, 2: Off
SURROUND		A	C	S	U	*	_	_	_	0: (Toggle), 1: On, 2: Off
AUDIO SELECTION		A	C	H	A	x	_	_	_	(Toggle)
SLEEP TIMER		O	F	T	M	*	_	_	_	0: Off, 1: OFF TIMER – 30 MIN., 2: OFF TIMER – 60 MIN.,
										3: OFF TIMER – 90 MIN., 4: OFF TIMER – 120 MIN.
CHANNEL	DIRECT	D	C	C	H	*	*	*	_	The channel number of TV	An input change is included if it is not TV display.
	CHANNEL									(1–135)	In Air, 2–69ch is effective.
	(ANALOG)										In Cable, 1–135ch is effective.
	DIRECT	D	A	2	P	*	*	*	*	(0100-9999)	DIGITAL Air (Two-Part numbers, 2-digit plus 2-digit)
	CHANNEL	D	C	2	U	*	*	*	_	(1-999)	DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
	(DIGITAL)										Front half of DIGITAL CABLE CHANNEL NO. (Designate major channel)
		D	C	2	L	*	*	*	_	(0-999)	DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
											Rear half of DIGITAL CABLE CHANNEL NO. (Designate minor channel)
		D	C	1	0	*	*	*	*	(0-9999)	DIGITAL Cable (One-Part numbers, 5-digit, less than 10,000)
		D	C	1	1	*	*	*	*	(0-6383)	DIGITAL Cable (One-Part numbers, 5-digit, more than 10,000)
	CH UP	C	H	U	P	x	_	_	_	The channel number of TV b1	If it is not TV display, it will input-switch to TV. (same function as CHU)
	CH DOWN	C	H	D	W	x	_	_	_	The channel number of TV a1	If it is not TV display, it will input-switch to TV. (same function as CHV)
CC		C	L	C	P	x	_	_	_	(Toggle)	Toggle operation of a closed caption.

•If an underbar (_) appears in the parameter column, enter a space.

•If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.

•Any numerical value can replace the “x” on the table.

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