Mitsubishi Electronics LDT52IV (MT819) RS-232C command table, Power control/Input mode selection

Controlling the Monitor with a PC (RS-232C)

RS-232C command table

How to read the command table
Command:	Command field (See page 12.)
Direction:	W When the “Parameter” is set in the parameter field (see page 12), the command functions as described
	under “Control/Response Contents”.
	R The returned value indicated under “Reply” can be obtained by setting “????”, “	?” or “???+”
	(repeater control) in the parameter field (see page 12).
Parameter:	Parameter field (See page 12.)
Reply:	Response (Returned value)
*:	“A” indicates a command which can be used in power standby mode regardless of the STANDBY MODE
	setting.
	“B” indicates command which can be used in power standby mode when STANDBY MODE is set to
	STANDARD. (It cannot be used in the power standby mode when LOW POWER is selected.)
	“–” indicates a command which cannot be used in power standby mode.

Power control/Input mode selection

Function	Command	Direction	Parameter		Reply	Control/Response contents	*
POWER CONTROL	POWR	W		0		Switches to standby mode.
				1		Returns from standby mode.
		R			0	Standby mode	A
					1	Normal mode
					2	Input signal waiting mode
INPUT MODE SELECTION	INPS	W		0		Toggle change for input mode. Terminals not selected in DVI SELECT/
						BNC SELECT/HDMI SELECT cannot be selected.
				1		PC1 DVI-D
						“ERR” when AV1 DVI-D is selected for DVI SELECT.
				2		PC3 D-SUB
				3		AV3 COMPONENT
						“ERR” when PC4 RGB is selected for BNC SELECT.
				4		AV5 VIDEO
							A
				6		PC4 RGB
						“ERR” when AV3 COMPONENT is selected for BNC SELECT.
				7		AV1 DVI-D
						“ERR” when PC1 DVI-D is selected for DVI SELECT.
				8		AV4 S-VIDEO
				9		AV2 HDMI
						“ERR” when PC2 HDMI is selected for HDMI SELECT.
				10		PC2 HDMI
						“ERR” when AV2 HDMI is selected for HDMI SELECT.
		R			1	PC1 DVI-D
					2	PC3 D-SUB
					3	AV3 COMPONENT
					4	AV5 VIDEO
					6	PC4 RGB	A
					7	AV1 DVI-D
					8	AV4 S-VIDEO
					9	AV2 HDMI
					10	PC2 HDMI

SCREEN menu

	Function		Command	Direction	Parameter	Reply	Control/Response contents	*
AUTO			ASNC	W	1		When the input mode is PC3, PC4.
CLOCK			CLCK	WR	0-1200	0-1200	When the input mode is PC3, PC4. Varies depending on the signal.
PHASE			PHSE	WR	0-63	0-63	When the input mode is PC3, PC4.
POSITIONING		POSITION OF	HPOS	WR	0-100	0-100	0-800 on PC3/PC4.
		THE LONGEST					Varies depending on the signal.
		DIRECTION
		POSITION OF	VPOS	WR	0-100	0-100	0-200 on PC3/PC4.
		THE SHORTEST					Varies depending on the signal.
		DIRECTION
								-
SIZE		POSITION OF	HSIZ	WR	0-100	0-100
		THE LONGEST
		DIRECTION
		POSITION OF	VSIZ	WR	0-100	0-100
		THE SHORTEST
		DIRECTION
RESOLUTION		L-DIRECTION RES	HRES	WR	300-1920	300-1920	When the input mode is PC3, PC4.
							Only even numbers are valid for parameters.
		S-DIRECTION RES	VRES	WR	200-1200	200-1200
							Varies depending on the signal.
RESET			ARST	W	1

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