| 1. The switch B (see fig. Governing bodies ventilation and an otpleniye) 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. |