The L and H settings are for Low and High air flow direction. When the unit is set to L, the air flow will direct downward coming out of the unit , while in H, the flow will direct upward.
Watch this short video for help
The L and H settings are for Low and High air flow direction. When the unit is set to L, the air flow will direct downward coming out of the unit , while in H, the flow will direct upward.
Watch this short video for help