HP LD5535 55-inch LED Digital Signage Display - Manual (Page 100)

[d][l][ ][Set ID][ ][Data][Cr]
Data
FF: Read the status
Acknowledgement
[l][ ][Set ID][ ][OK/NG][Data][x]
* Returned data means used hours in hexadecimal.
39. Serial No. (Command: f y)
To check the Serial Numbers.
Transmission
[f][y][ ][Set ID][ ][Data][Cr]
Data
FF: Check the product Serial Number
Acknowledgement
[y][ ][Set ID][ ][OK/NG][Data][x]
* Data is ASCII code.
40. S/W Version (Command: f z)
To check the Software Version.
Transmission
[f][z][ ][Set ID][ ][Data][Cr]
Data
FF: Check the Software version
Acknowledgement
[z][ ][Set ID][ ][OK/NG][Data][x]
41. Backlight (Command: m g)
To adjust the screen backlight.
Transmission
[m][g][ ][Set ID][ ][Data][Cr]
Data
00 to 64: Backlight 0 to 100
Acknowledgement
[g][ ][set ID][][OK/NG][Data][x]
** It may not be supported depending on the model.
90 Chapter 12 Controlling multiple products