Samsung UD55A manual 37

Introduction

Header	command		DATA	DATA
		ID	Length		CheckSum
0xAA	0x5D		1	Safety Lock

Safety Lock : Lock code to be set on TV / Monitor.

1 : ON

0 : OFF

•	Ack
	Header	command		DATA	Ack/Nak	r-CMD	Val1
				Length				Check
			ID
	0xAA	0xFF		3	‘A’	0x5D	Safety	Sum
							Lock
	Safety Lock : Same as above
•	Nak
	Header	command		DATA	Ack/Nak	r-CMD	Val1
				Length				Check
			ID
	0xAA	0xFF		3	‘N’	0x5D	Safety	Sum
							Lock
	ERR : Error code that shows what occurred error is.