activate /controls/radios/comm-ptt only for operable radios
Radios should only transmit when they are operable.
Currently /controls/radios/comm-ptt is activated whenever 'space' or 'shift-space' is pressed, which is unrealistic.
Radios should only transmit when they are operable.
Currently /controls/radios/comm-ptt is activated whenever 'space' or 'shift-space' is pressed, which is unrealistic.