LG M4213C-BA User Manual page 73

Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
52. Scheduling Input select (Command : f u) (Main Picture Input)
To select input source for TV depending on day.
Transmission
[f][u][][Set ID][][Data1][][Data2][Cr]
Data 1 Structure
Min: 0~Max:7(0:Monday, 1: Tuesday, 2: Wednesday, 3: Thursday, 4: Friday
5: Saturday, 6: Sunday, 7: Everyday)
Data 2 Structure
Data(Hex)
02 AV
04 Component
07 RGB-PC
08 HDMI/DVI-DTV
09 HDMIDVI-PC
FE No change
Acknowledgement
[u][][Set ID][][OK/NG][Data 1][Data 2][x]
53. Serial no.Check (Command : f y)
To read the serial numbers
Transmission
[f][y][][Set ID][][Data][Cr]
Data FF (to read the serial numbers)
Acknowledgement
[y][][Set ID][][OK/NG][Data1] ~ [Data13] [x]
* The data format is ASCII Code.
INPUT
A31