Mitsubishi Electronics XD280U, XD250U Command list, Operation commands, Reading command diagram

4. Command list

4.1Operation commands

The operation commands are used for the basic operation setting of this projector. They may not be executed while the signals are changed. The operation commands have no data codes. (When the commands for input select are sent while the splash screen is being displayed, the splash screen is only canceled.)

ITEM	Function		Note
	Character	ASCII
POWER ON	!	21h	This command is invalid for 1 minute after the power is turned off.
POWER OFF	"	22h	This command is invalid for 1 minute after the power is turned on.
INPUT COMPUTER 1	_r1	5Fh 72h 31h	This command will not be executed in Stand-by mode or when the MUTE is executed.
INPUT COMPUTER 2	_r2	5Fh 72h 32h	This command will not be executed in Stand-by mode or when the MUTE is executed.
INPUT VIDEO	_v1	5Fh 76h 31h	This command will not be executed in Stand-by mode or when the MUTE is executed.
INPUT S-VIDEO	_v2	5Fh 76h 32h	This command will not be executed in Stand-by mode or when the MUTE is executed.
INPUT HDMI	_d1	5Fh 64h 31h	This command will not be executed in Stand-by mode or when the MUTE is executed.

[Example]	When setting the input signal to COMPUTER 1. (Values enclosed in quotation marks are ASCII
	codes.):
Command sent from the PC, etc.		Status code returned	Description
		from the projector
‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’			Command for setting the input signal to
00_r1			COMPUTER 1
		‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’	Command receipt confirmation
		00_r1	(Command echo back)

4.2Reading command diagram

The projectors operating status, such as POWER-ON/OFF and the currently selected input terminal, etc. can be monitored.

ITEM	Character				ASCII
	Function	Data (Receive)		Function		Data (Receive)
POWER ON	vP	1	76h	50h		31h
POWER OFF	vP	0	76h	50h		30h
INPUT COMPUTER 1	vI	r1	76h	49h		72h 31h
INPUT COMPUTER 2	vI	r2	76h	49h		72h 32h
INPUT VIDEO	vI	v1	76h	49h		76h 31h
INPUT S-VIDEO	vI	v2	76h	49h		76h 32h
INPUT HDMI	vI	d1	76h	49h		64h 31h
POWER ON/OFF IMPOSSIBLE	vPK	0	76h	50h 4Bh		30h
POWER ON/OFF POSSIBLE	vPK	1	76h	50h 4Bh		31h
NO SIGNAL SUPPLIED	vSM	0	76h	53h 4Dh		30h
SIGNAL SUPPLIED	vSM	d1	76h	49h		64h 31h

Use the following commands to obtain the values of the items in the INFORMATION menu.

ITEM			Function			Data (Receive)
	Character		ASCII
LAMP TIME (LOW)	vLE	76h	4Ch 45h		hhhhmm
RESOLUTION	vRESO	76h	52h 45h	53h 4Fh	HHHHxVVVV
VERTICAL FREQUENCY	vVFREQ	76h	56h 46h	52h 45h 51h	***.**
HORIZONTAL FREQUENCY	vHFREQ	76h	48h 46h	52h 45h 51h	***.**
SYNC. TYPE	vSYNCT	76h	53h 59h	4Eh 43h 54h	0	(NO SIGNAL), 1 (Invalid), 3 (3wire),
					4	(4wire), 5 (5wire), 6 (SCART)

“hhhh” and “mm” represent hours and minutes respectively.

“HHHH” and “VVVV” represent the horizontal and vertical resolutions respectively. “***.**” represents the vertical frequency (in Hz) or the horizontal frequency (in kHz).

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