OPERATION DETAILED CONTROLS AND GAUGES 2. Press vent selector switch (4) and set the vent display on the display monitor (C) to the display shown in (f) or (g) in the diagram on the right. 3. Press FRESH/RECIRC selector switch (6) and set it to take in fresh air. 4. Press temperature setting switch (3) and set temperature on the display (7) monitor to maximum heating. 5. Adjust vents (A), (B1), and (B2) so that the air blows onto the window glass. (Vents (C) and (D) are fixed and cannot be adjusted.) A 3-45