Thanks for your post, sorry to say it didn't solve my problem.
But with the help of some divine intervention I tried again changing the display numbers in View Group Management and
stone the crows hitting the "Enter Key" worked.
Flight Deck Solutions B777
Cheers

Hello I am running P3Dv5.1 with latest version of windows 10 and 3 projectors @ 1080p and Immersive Display Pro I open the View Group Management screen and only 2/3rds of the screen appears, no OK or Cancel buttons show up. What I am trying to do is just change the display numbers. Any assistance wo...

Thanks Guys for the replies.
I did in fact purchase Editvoicepack XL and this program solved my problem.
Thanks again.

Hi
At the moment ATC annunciates "123 Heavy". How can I amend to "SPEEDBIRD 123 Heavy"
The aircraft cfg is,atc_airline=SPEEDBIRD, atc_flight_number=123, atc_heavy=1
And SPEEDBIRD is listed in the airline cfg
Any help would be appreciated
Robert