Mitsubishi Electronics LDT52IV (MT819) Controlling the Monitor with a PC RS-232C PIP/PbyP menu

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

PIP/PbyP menu

	Function		Command	Direction	Parameter	Reply	Control/Response contents
PIP MODES			MWIN	WR	0-3	0-3	0: OFF, 1: PIP, 2: PbyP, 3: PbyP2
PIP SIZE			MPSZ	WR	1-12	1-12
PIP POS		THE LONGEST	MHPS	W	0-100
		DIRECTION		R		0-100
		THE SHORTEST	MVPS	W	0-100
		DIRECTION		R		0-100
PIP POS LD+SD BATCH			MPOS	W	0-100,0-100		Specify the position in MPOSxxxyyy format.
							(xxx: Longer side, yyy: Shorter side position)
				R		0-100,0-100	Returns a response in (xxx,yyy) format.
							(xxx: Longer side, yyy: Shorter side position)
PIP BLEND			MWBL	WR	0-15	0-15
PIP SOURCE			MWIP	WR	1	1	PC1 DVI-D
					2	2	PC3 D-SUB
					3	3	AV3 COMPONENT
					4	4	AV5 VIDEO
					6	6	PC4 RGB
					7	7	AV1 DVI-D
					8	8	AV4 S-VIDEO
					9	9	AV2 HDMI
					10	10	PC2 HDMI
SOUND CHANGE			MWAD	WR	1-2	1-2	1: MAIN, 2: SUB
MAIN POS (Main screen)			MWPP	WR	0-1	0-1	0: POS1, 1: POS2
PbyP2 POS (Sub screen)			MW2P	WR	0-2	0-2	0: POS1, 1: POS2, 2: POS3
AUTO OFF			MOFF	WR	0-1	0-1	0: MANUAL, 1: AUTO

Initialization/Functional Restriction Setting (FUNCTION) menu

Function	Command	Direction	Parameter		Reply		Control/Response contents
ALL RESET	RSET	W		0-1			0: ALL RESET 1, 1: ALL RESET 2
ADJUSTMENT LOCK	ALCK	WR		0-2		0-2	0: OFF
OSD DISPLAY	LOSD	WR		0-1		0-1	0: ON, 1: OFF
LED	OFLD	WR		0-1		0-1	0: ON, 1: OFF
TEMPERATURE ALERT	TALT	WR		0-2		0-2	0: OFF, 1: OSD & LED, 2: LED
STATUS ALERT	SALT	WR		0-2		0-2	0: OFF, 1: OSD & LED, 2: LED

*

B

B

B

B

B

B

B

B

B

B

B

B

B

B

*

-

B

B

B

B

B

Others

Function		Command	Direction	Parameter	Reply	Control/Response contents	*
SCREEN SIZE (PC)		WIDE	WR	1-5	1-5	1: WIDE, 2: NORMAL, 3: Dot by Dot, 4: ZOOM1, 5: ZOOM2	B
SCREEN SIZE (AV)		WIDE	WR	1-5	1-5	1: WIDE, 2: ZOOM1, 3: ZOOM2, 4: NORMAL, 5: Dot by Dot	B
VOLUME		VOLM	WR	0-31	0-31		B
MUTE		MUTE	WR	0-1	0-1	0: OFF, 1: ON	-
INFORMATION	MODEL	INF1	R		Value		A
	SERIAL NO	SRNO	R		Value
BRIGHT		VLMP	WR	0-31	0-31	Brightness	B
TEMPERATURE SENSOR		DSTA	R		0	Internal temperature normal
					1	Internal temperature abnormal (Standby mode)
					2	Internal temperature abnormal (Temperature is normal now, but it was	A
						abnormal during operation.)
					3	Internal temperature abnormal (Brightness of the backlight decreases.)
					4	Temperature sensor abnormal
TEMPERATURE ACQUISITION		ERRT	R		Value	Temperature at temperature sensors 1 through 3 are returned in the
						following forms:	A
						[Sensor 1], [Sensor 2], [Sensor 3]
						Indicates a temperature sensor abnormality when “126” is returned.
CAUSE OF LAST STANDBY MODE		STCA	W	0		Initialization
			R		0	No detectable error has occurred
					1	Standby mode by POWER button
					2	Main power “OFF” by the main power switch	A
					3	Standby mode by RS-232C or LAN
					4	Waiting mode by No Signal (Incl: VESA DPMS/DMPM)
					6	Standby mode by abnormal temperature
					8	Standby mode by SCHEDULE setting

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