1. The wing and cowl anti-ice systems are controlled and operated from the :
2. When one of the ice detectors senses icing conditions the EICAS will display :
3. The Hydraulic System 3 supplies the following systems :
4. If an icing condition is detected during flight, the ice detectors command the wing and engine anti-ice valves to open and remain activated :
5. Pneumatic anti-ice protection is provided for :
