LG 42LS55A Owner's Manual page 71

50. Local Key Operation (Command: t o)
Configures the local key operation settings of the product.
Transmission
[t][o][ ][Set ID][ ][Data][Cr]
Data 00: locks off all of the keys
01: locks on all of the keys except the Power
key
02: locks on all of the keys
Acknowledgement
[o][ ][Set ID][ ][OK/NG][Data][x]
51. Status (Command: s v)
Checks the current signal status of the product.
Transmission
[s][v][ ][Set ID][ ][Data][ ][FF][Cr]
Data 02: checks whether there is a signal or not
10: RGB sensing OK/NG (Check Screen)
Acknowledgement
[v][ ][Set ID][ ][OK/NG][Data][Data1][x]
Data: 02 (when a signal is found)
Data1 00: no signal
01: there is a signal
Data: 10 (Check Screen)
Data1 00: Check Screen result NG
07: Check Screen result OK
* Treated as NG if Check Screen is set to Off
52. Check Screen (Command: t z)
Sets Check Screen.
Transmission
[t][z][ ][Set ID][ ][Data][Cr]
Data 00: Off
01: On
Acknowledgement
[z][ ][Set ID][ ][OK/NG][Data][x]
TO CONTROL MULTIPLE PRODUCTS
53. Speaker (Command: d v)
Sets the speaker function.
Transmission
[d][v][ ][Set ID][ ][Data][Cr]
Data 00: Off
01: On
Acknowledgement
[v][ ][Set ID][ ][OK/NG][Data][x]
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