I am using GSX and have activated pushback but it's telling me to turn on APU. Could someone be kind enough to show me how to do this? My 737 has been loaded with the default panel start. So engines are on and everything, ready to go.

Hi there,

 

On stand, one would not have the engines running.. 

 

One way you can acheive this state you're searching for is: PMDG OPTIONS> LOAD PANEL STATE> SHORT TURN AROUND.

 

 

That will give you apu running, engines off [long turn around is ground power on, apu off].

 

If you're doing it manually, the apu switch is on the lower overhead. Switch on the forward fuel pump first  which is the second one from the left  [ . ^ . . ].

 

Hope this helps, 

Alex, thanks a lot!