Mitsubishi Electronics XL1550U manual Command list, Reading command diagram

4.Command list

4.1Operation commands (Not executable in stand-by mode. When the commands for input select are sent while the splash screen is being displayed, the splash screen is only canceled.)

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.

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 DVI	_d1	5Fh 64h 31h	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.

[Example] When setting the input signal to COMPUTER 1. (Figures and symbols enclosed in quotation marks are ASCII codes.):

Sending commands		Status code	Description
from the PC, etc.		from the projector
‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’			Command for setting the input signal
00_r1			to 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 DVI	vI	d1	76h	49h			64h	31h
INPUT VIDEO	vI	v1	76h	49h			76h	31h
INPUT S-VIDEO	vI	v2	76h	49h			76h	32h
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	1	76h	53h	4Dh		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), 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.

Use the following commands to obtain other information.

ITEM		Function				Data (Receive)
	Character			ASCII
Model name	vMDL	76h	4Dh	44h	4Ch	****************(within 16 characters)
Serial number	vS/N	76h	53h	2Fh	4Eh	*******(within 7 characters)
Input source	vSOUCE	76h 53h 4Fh 55h 43h 45h				r1 r2 d1 v1 v2

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