HP LD4730 and LD4730G LCD Ultraslim Bezel Digital Signage Displays Command Reference Guide

Error Acknowledgement
[Command2][][Set ID][][NG][Data][x]
If there is an error, it returns NG
01. Power (Command: k a)
To control Power On/Off of the Set.
Transmission
[k][a][][Set ID][][Data][Cr]
[Data] 0: Power Off
1: Power On
Acknowledgement
[a][][Set ID][][OK][Data][x]
To show the status of Power On/Off.
Transmission
[k][a][][Set ID][][FF][Cr]
Acknowledgement
[a][][Set ID][][OK][Data][x]
[Data] 0: Power Off
1: Power On
ENWW Transmission/Receiving Protocol 5