Command list Operation commands | Mitsubishi Electronics EW331U-ST

4. Command list

4.1 Operation 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.

ITEM	Function		Note

	Character	ASCII
	Character	ASCII

POWER ON	!	21h	This command is invalid during cooling after the power is turned off.

POWER OFF	"	22h	This command is invalid during splash screen displaying after the power is turned on.

INPUT COMPUTER 1	_r1	5Fh 72h 31h	This command will not be executed in Stand-by mode.

INPUT COMPUTER 2	_r2	5Fh 72h 32h	This command will not be executed in Stand-by mode.

INPUT VIDEO	_v1	5Fh 76h 31h	This command will not be executed in Stand-by mode.

INPUT S-VIDEO	_v2	5Fh 76h 32h	This command will not be executed in Stand-by mode.

INPUT HDMI	_d1	5Fh 64h 31h	This command will not be executed in Stand-by mode.

[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
Command sent from the PC, etc.	from the projector	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)

4.2 Reading command diagram

The projectors operating status, such as POWER-ON/OFF and the currently selected input terminal, etc. can be monitored. Input terminal is not available during no signal.

ITEM	Character			ASCII

	Function	Data (Receive)	Function	Data (Receive)
	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

Use the following commands to obtain the values of the lamp time.

ITEM		Function	Data (Receive)

	Character	ASCII
	Character	ASCII

LAMP TIME (LOW)	vLE	76h 4Ch 45	hhhhhmm

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

Use the following commands to obtain other information.

ITEM		Function	Data (Receive)

	Character	ASCII
	Character	ASCII

VOLUME	VL	56h 4Ch	00-10

The PC sends the command without attaching the data code to it. On the other hand, the projector attaches to the received command its current operating status as the data code and send it back to the PC.

[Example]	When checking the currently selected input terminal (when the INPUT VIDEO is being selected).
	(Values enclosed in quotation marks are ASCII codes.):

Command sent from the PC, etc.		Status code returned	Description
Command sent from the PC, etc.		from the projector	Description
		from the projector

‘30’ ‘30’ ‘76’ ‘49’ ‘0D’			Command for checking the input
00vl			terminal

		‘30’ ‘30’ ‘76’ ‘49’ ‘76’ ‘31’ ‘0D’	Check result (VIDEO)
		00vlv1

EW331U-ST, EX321U-ST specifications

Mitsubishi Electronics has solidified its reputation in the field of projectors with offerings like the EW331U-ST and EX321U-ST. These two models stand out for their remarkable features, advanced technologies, and user-friendly characteristics, making them an excellent choice for educational institutions and corporate environments.

The EW331U-ST is designed with a WUXGA resolution of 1920 x 1200 pixels, providing stunningly clear and sharp images. This model boasts a brightness level of up to 3,300 lumens, which ensures vibrant and visible presentations even in well-lit rooms. Its short-throw lens allows users to project large images from a short distance, making it ideal for smaller spaces where installation constraints may be a factor.

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On the other hand, the EX321U-ST model, while similar in many aspects, focuses more on the versatility offered by its extensive connectivity options. Equipped with HDMI, USB, and VGA inputs, the EX321U-ST supports a variety of media sources, allowing users to connect easily to laptops, tablets, and even smartphones. This diversity is particularly beneficial for collaborative settings, where multiple devices may need to be connected simultaneously.

Both models leverage leading-edge DLP technology, renowned for producing crisp images and providing extended lamp life. They are engineered to consume less power while delivering maximum performance, contributing to lower operational costs and promoting energy efficiency.

Additionally, Mitsubishi Electronics integrates smart features such as automatic keystone correction and a built-in speaker, which simplify setup and enhance usability. An intuitive user interface allows quick adjustments, making these projectors accessible even to those who may not be tech-savvy.

In summary, Mitsubishi Electronics’ EW331U-ST and EX321U-ST projectors offer excellent performance coupled with user-friendly features. Their superior image quality, robust connectivity options, and energy-efficient design make them a compelling choice for anyone seeking reliable and powerful projection solutions.