ShortCUT ALT-F1

In QNX4 HELP Photon Micro Gui → User’s Guide → Getting Started → Keyboard
Shortcuts
describe some PWM supported “fast key’s” for Active Photon Window.

But whot about ALT-F1, which change mouse coursor to “?” symbol?

How can I prevent ALT-F1 shotrcut effect for some Photon Window ?

Thank you.