Air supply
Pic. 1.76. Central deflectors: 1 - handle; 2 - direction regulator
Turn knob 1 (overcoming slight resistance to movement) (pic. 1.76).
as open as possible.
closed.
Air flow direction
Right/left: turn knobs 2 to the right or left.
Pic. 1.77. Central deflectors: 1 - handle; 2 - direction regulator
Up/down: turn knobs 2 up or down (pic. 1.77).