Hi,

> Sometimes I cannot change the mode of ND with the MCP.
> I must wait until the mention f/o appears on the MCP.
> Why?.
> On what I must click to do it appear ?.
> Why doesn't it appear not automatically ?.

Your Glass Cockpit is most probably set to First Officer, hence it will only

respond to the EFIS selector if it is in F/O mode.

Ciao

Enrico