LG 42VX30MS Owner's Manual page 83

48. OSD Select (Command: k l)
To select OSD(On Screen Display) on/off
Transmission
[k][l][ ][Set ID][ ][Data][Cr]
Data 00: OSD Off
01: OSD On
Acknowledgement
[l][ ][Set ID][ ][OK/NG][Data][x]
49. Elapsed time return (Command: d l)
To read the panel used time.
Transmission
[d][l][ ][Set ID][ ][Data][x]
Data FF: Data should be always ff in hexadecimal.
Acknowledgement
[l][ ][Set ID][ ][OK/NG][Data][x]
* Returned data means used hours in hexadecimal.
50. Serial No.Check (Command: f y)
To read the serial numbers.
Transmission
[f][y][ ][Set ID][ ][Data][Cr]
Data FF: Data should be always ff in hexadecimal.
Acknowledgement
[y][ ][Set ID][ ][OK/NG][Data][x]
CONTROLLING THE MULTIPLE PRODUCT
51. S/W Version (Command: f z)
To read the software version.
Transmission
[f][z][ ][Set ID][ ][Data][Cr]
Data FF: Data should be always ff in hexadecimal.
Acknowledgement
[z][ ][Set ID][ ][OK/NG][Data][x]
83