LG BNU-BAC Owner's Manual page 37

I Vent Control
Click the Indoor's Control Group
As shown below, if you click the Control Group button a new window will pop-up.
(In the pop-up page at the Address category, UNIT[---] means addresses of connected vents.)
- Individual Control / Total Control
Check the unit which will be controlled for individual control or check ALL for total control.
(Click the Reset button to check the addresses again)
<Individual Control >
<Total Control>
Test operation procedure
Installation/Owner Manual 37