Samsung QM85D Screen mode control, Screen size control, •• Ack, •• Nak, •• Ack, •• Nak, •• Function, •• Function, "ERR": A code showing what error has occurred

Screen mode control

•• Function

The screen mode of a product can be changed using a PC.

Screen mode cannot be controlled when the Video Wall function is enabled. ――This control can only be used on models that include a TV.

•• Viewing screen status (Get Screen Mode Status)

Header	Command	ID	Data length	Checksum
0xAA	0x18		0

•• Setting the picture size (Set Picture Size)

Header	Command	ID	Data	Data	Checksum
			length
0xAA	0x18		1	"Screen Mode"

"Screen Mode": A code that sets the product status

0x01 16 : 9

0x04	Zoom
0x31	Wide Zoom
0x0B	4 : 3
•• Ack
Header	Command	ID	Data length	Ack/Nak	r-CMD	Val1	Checksum
0xAA	0xFF		3	'A'	0x18	"Screen
						Mode"

"Screen Mode": A code that sets the product status

•• Nak

Header	Command	ID		Data length		Ack/Nak		r-CMD	Val1	Checksum
0xAA	0xFF		3			'N'		0x18	"ERR"
"ERR": A code showing what error has occurred
Screen size control
•• Function
The screen size of a product can be changed using a PC.
•• Viewing the screen size (Get Screen Size Status)
Header	Command			ID	Data length			Checksum
0xAA	0x19				0
•• Ack
Header	Command	ID		Data		Ack/Nak	r-CMD		Val1	Checksum
				length
0xAA	0xFF		3			'A'	0x19		"Screen Size"

"Screen Size": product screen size (range: 0 – 255, unit: inch)

•• Nak

Header	Command	ID	Data	Ack/Nak	r-CMD	Val1	Checksum
			length
0xAA	0xFF		3	'N'	0x19	"ERR"

"ERR": A code showing what error has occurred

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