FSX-SE Page Up & Page Down Key

[Juergen 7]

Hi,

I have the strangest problem:

Whenever I use the Page Up  & Page Down key the following occurs in the sim (FSX-SE) Page Down: Throttle Lever(s) decreases to IDLE and the Thrust Reverser(s) is engaged; if the throttles are already in idle - thrust reverser(s) engage.

Page Up: Throttle Lever(s) advance incrementally;

So I checked the key mapping in FSX-SE and there is nothing with  page up and page down, I also checked Chaseplane (my camera program) and the page up key is mapped to "MOVE UP" and the page down key is mapped to "MOVE DOWN". I even deleted the key assignments in Chaseplane, but the same results. I also have FSUIPC installed, but NO KEY MAPPINGS assigned.

Everything else behaves normal and I can still operate all Installed aircraft: PMDG B737; B747-400/800; B777-200;  Aerosoft A318/319/320/321; Eaglesoft Citation X G2; All aircraft behave the same way, except in the Aerosoft Airbuses and the Eaglesoft Citation - Page Up does NOT increase the throttle; Page Down is the same issue.

Has anyone seen a similar problem?

Thanks for help

[WarpD 824]

A joystick is an absolute requirement for the Eaglesoft Citation X.