Hello Peter,
Not sure if you can get this working if you dont have the PMsystems or AST...
I use AST here for the overhead and EW SD screens and when i switch off the BATT's and engines are out.. my PFD/ND and MCDU go out (black screens) so it works fine... (you only can get them back up if you have enough batt power or when you have extrn PWR avail..
I assum with PM systems it will do the same.
gr.
Frans M
Ps. just downlaod the demo of PMsystems and try it out and see if it works as well...
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