Samsung QB75H-TR LH65QBHRTBC/CH, LH75QBHRTBC/CH, LH75QBHRTBC/UE, LH75QBHRTBC/XV Screen size control, Safety Lock, Ack, Nak, 1: ON, •• Ack, •• Nak, 0: OFF, •• Function, •• Function, Safety Lock On

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

Safety Lock

•• Function

PC can be used to turn the Safety Lock On function on or off on a product. This control is available regardless of whether or not the power is turned on.

•• Viewing the safety lock state (Get Safety Lock Status)

Header	Command		ID		Data length		Checksum
0xAA	0x5D				0
•• Enabling or disabling safety lock (Set Safety Lock Enable / Disable)
Header		Command		ID		Data length		Data	Checksum
0xAA		0x5D				1		"Safety Lock"

"Safety Lock": Safety lock code to be set on a product

1: ON
0: OFF
••	Ack
Header		Command	ID		Data	Ack/Nak	r-CMD	Val1	Checksum
					length
0xAA		0xFF		3		'A'	0x5D	"Safety Lock"
"Safety Lock": Safety lock code to be set on a product
••	Nak
Header		Command	ID		Data	Ack/Nak	r-CMD	Val1	Checksum
					length
0xAA		0xFF			3	'N'	0x5D	"ERR"

"ERR": A code showing what error has occurred

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