Elmo HV-8000SX instruction manual Data format specifications

Function	Command	Parameter	Data	Comments
Gamma switch	GM	(1.0)		Command to switch the gamma set value of
		(0.9)		the image.
		(0.8)
		(0.7)
		(0.6)
		(0.5)
		(0.4)
		(0.3)
Image rotation	RO	(OFF)		Command to rotate the image.
		(90°)
		(180°)
		(270°)
Aperture	AP	(OFF)		Command to switch the modulation
selection		(ON)		(edge emphasis) of the image.
White balance	AW	(OFF)		Command to switch the mode of the white
selection		(AUTO)		balance.
		(ONE-PUSH)
Contrast	CT	(OFF)		Command to switch the contrast settings.
selection		(ON)
Default	DF			Command to reset to the initialized mode.
Status request	QS			Command to inquire the status of the
				equipment.
ROM version	QR			Command to refer to the ROM version.
Response data	SA	(OFF)		Command to select the presence of the
Selection1		(ON)		response to each operation command.
				Default is ON.
Response data	SC	(OFF)		Command to add CR [0Dh] to the end of the
Selection 2		(ON)		response data. Default is OFF.

Note: " " in the data column means that SPACE [20H] should be transmitted twice.

Data format specifications

This command is executed in the form of 1-command/1 packet. The next command is not accepted until the previous processing is completed.

•The communication command always starts with STX (Start of Text) , and ends with ETX (END of Text) .

•If the communication format or command name is wrong, NAK (Negative Acknowledgement) will be sent from the Presenter as a result of failing to receive correctly.

•When the communication format is correctly received, the Presenter sends ACK (Normal Acknowledgement) .

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