Samsung UD46A, UD55A user manual Ack/Nak CMD Val1 Check Length Sum 0xAA 0xFF ‘N’ 0x12

Introduction

•Volume Control

•Function

Personal Computer changes volume of TV / Monitor.

•Get Volume Status

Header

0xAA

command

0x12

ID

DATA Length

0

CheckSum

•Set Volume

Header

0xAA

command

0x12

ID

DATA Length

1

DATA

Volume

CheckSum

Volume : Volume value code to be set on TV / Monitor. (0 ~ 100)

• Ack

Header	command		DATA	Ack/Nak	r-CMD	Val1	Check
		ID	Length
							Sum
0xAA	0xFF		3	‘A’	0x12	Volume

Volume : Same as above

• Nak

Header	command		DATA	Ack/Nak	r-CMD	Val1	Check
		ID	Length
							Sum
0xAA	0xFF		3	‘N’	0x12	ERR

ERR : Error code that shows what occurred error is.

•Input Source Control

•Function

Personal Computer changes input source of TV / Monitor.

•Get Input Source Status

Header

0xAA

command

0x14

ID

DATA Length

0

CheckSum

•Set Input Source

Header

0xAA

command

0x14

ID

DATA Length

1

DATA

Input Source

CheckSum