| 1. The switch B (see fig. Governing bodies climatic installation) establish on a step 3. | 
 
 | 2. The handle A turn clockwise against the stop. | 
 
 | 3. The handle C establish on. | 
 
 | 4. Nozzles 3 close. | 
 
 | 5. Nozzles 4 establish so that the stream of air was directed on lateral glasses. |