Panasonic Viera TC-P42X3 Owner's Manual page 30

To use all ViERA Link functions: After everything is connected, in VIERA Link settings menu, set "VIERA Link" to "On".
Some features are disabled depending on the "HDAVI Control" version of the equipment.
Please check the list (p. 28)
_ Display the menu
Select "VIERA Link settings" in "Setup"
Select "VlERA Link"
[] Press to exit from
a menu screen
EXIT
[] Press to go back
to the previous
screen
RETURN
0
Select "On"
(default is On)
Select and make other settings
- change
3O