The knob is in fligtmode on NORM when you need to start your ENG you have to put it to IGN then start your ENG 2 than ENG 1 when they up and running you switch it back to NORM
The CRANK mode is set to blow air inside the engines and only be used when the procudere tells you to. Like a abort start or so. This is mention in your ECAM screen but normaly not used if everything goes ok
gr.
Frans M
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www.airbus320.nl
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