LG 42LS33A Owner's Manual page 63

62
CONTROLLING THE MULTIPLE PRODUCT
NOTE
During USB operations such as Dvix or EMF, all commands except Power (k a) and Key (m c) are not
y y
executed and treated as NG.
Some commands are not supported depending on the model.
y y
The 'f f' command which shows the status of a certain command does not display the OSD as the
y y
result in order to be compatible with SuperSign program.