LG M4224C Owner's Manual page 55

RS-232C
Transmission / Receiving Protocol
20. Tile Mode(Command : d d)
Change a Tile Mode.
Transmission
[d][d][][Set ID][][Data][x]
Data
00 or 11 Tile mode is off.
12 1 x 2 mode(column x row)
13 1 x 3 mode
14 1 x 4 mode
... ...
55 5 x 5 mode
* The data can not be set to 0X or X0 except 00.
Acknowledgement
[d][][00][][OK/NG][Data][x]
Controlling the Multiple Product
Description
A14