F3 triggers the "GoToMax" function and forces the program (one time) to select the recently strongest signal in the recieved audio spectrum for decoding.

Alt+g "GoToMax" (same function)

F5 Toggle AFC on-off (automatic ferquency control / fine tuning)

Ctrl+F9 Toggle WinKey Tune function

Ctrl+F1,F2,F3,F4,F5,F6,F7,F8 Sent individual text, from the pre-defined memory buttons of MRP40

Enter Start sending (via COMx Port, OR via Sondcard)
Only available when Tx Option "Use Send &Button (TX type ahead mode)" is enabled
Not available with WinKey

ESC Stop sending and clear the Tx text

Alt+F opens the File menu

Alt+O opens the Options menu

Alt+D opens the Display menu

Alt+G triggers the GoMax Function

Alt+I opens the Info menu

Alt+H opens the Help menu